{"title":"TDK SA Series: High Bias Type II Cassette Tapes","description":"\u003ch1 data-path-to-node=\"6\"\u003eTDK SA Series: The Benchmark in High Bias (Type II) Performance\u003c\/h1\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe TDK SA (Super Avilyn) series remains the most influential Type II cassette ever produced. Unlike standard ferric tapes, the SA line utilizes a proprietary cobalt-adsorbed gamma ferric oxide formulation. This technical innovation allowed Type II tapes to approach the performance of expensive Type IV metal formulations, offering high coercivity and significant headroom for professional audio recording.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003eThe Super Avilyn Hierarchy: SA vs. SA-X vs. SA-XS\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eTo optimize your recording chain, you must understand the density and coating differences between these three tiers:\u003c\/p\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003e1. TDK SA (Super Avilyn):\u003c\/b\u003e The global standard for High Bias recording. Known for its extremely low noise floor and compatibility with almost every cassette deck ever manufactured. It is the ideal choice for general high-fidelity music recording. It was used by Nakamichi as their type II calibration reference.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003e2. TDK SA-X:\u003c\/b\u003e Features a dual-layer coating of Super Avilyn particles. This dual-layer approach enhances the signal-to-noise ratio and provides a broader dynamic range compared to the standard SA. It is preferred for complex orchestral or electronic tracks with high frequency peaks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003e3. TDK SA-XS:\u003c\/b\u003e The pinnacle of TDK Type II technology. This triple-coated formulation was designed to minimize modulation noise to the lowest physical limits of the medium. It is a collector-grade entity often used for master-quality archiving. Note that it is recommended for use with decks that support bias, level, and eq calibration due its non-standard characteristics.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"11\"\u003eTechnical Specifications for Collectors\u003c\/h2\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,0,0\"\u003e⦿ Format:\u003c\/b\u003e High Bias (Type II)\u003c\/p\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,1,0\"\u003e⦿ EQ:\u003c\/b\u003e 70 µs\u003c\/p\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,0\"\u003e⦿ Coating:\u003c\/b\u003e Cobalt-Adsorbed Gamma Ferric Oxide (Super Avilyn)\u003c\/p\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,3,0\"\u003e⦿ Applications:\u003c\/b\u003e Mastering, Audiophile Archiving, High-Fidelity Home Recording\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"13\"\u003eWhy Record on TDK Super Avilyn?\u003c\/h2\u003e\n\u003cp data-path-to-node=\"14\"\u003eWhile modern digital formats offer convenience, they lack the \"analog saturation\" provided by TDK’s cobalt formulation. The SA series is prized for its ability to handle high input levels without the harsh clipping found in lower-quality tapes. Whether you are using a Nakamichi Dragon or a portable Tascam Portastudio, the TDK SA line provides the most consistent frequency response in the Type II category.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"14\"\u003eTDK SA Family Comparison\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3\u003e\u003cstrong\u003eCoating Layers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3\u003e\u003cstrong\u003eBest Use Case\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003ch3\u003e\u003cstrong\u003eNoise Floor\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0,0\"\u003eTDK SA\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eSingle Layer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,2,0\"\u003eDaily Hi-Fi Recording\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,3,0\"\u003eLow\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0,0\"\u003eTDK SA-X\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003eDual Layer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,2,0\"\u003eOrchestral \u0026amp; Complex Audio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,3,0\"\u003eVery Low\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,3,0,0\"\u003eTDK SA-XS\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eTriple Layer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,2,0\"\u003eArchival \u0026amp; Master Recording\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,3,0\"\u003eMinimal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Type II High Bias Cassette tapes\" href=\"https:\/\/ultraferric.com\/collections\/type-ii-high-bias\" target=\"_blank\"\u003eExplore Additional Type II Cassettes\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"tdk-sa-x-1990-1991-us","title":"TDK SA-X Type II - 1990-1991 US","description":"\u003ch1\u003eTDK SA-X (1990-1991 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1990-1991 US) is a high-quality, blank audio cassette tape designed for professional and enthusiast use. It is manufactured by TDK, a renowned company in the magnetic media industry, and is part of their Type II cassette series. This cassette tape is known for its reliable performance and clear sound quality, making it suitable for various recording applications.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Type II \/ Ferricobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ\u003c\/strong\u003e: 70 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Properties\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eCoercivity: 620 Oe\u003c\/li\u003e\n\u003cli\u003eRemanence: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003eSquareness Ratio: 0.83\u003c\/li\u003e\n\u003cli\u003eOperating Bias: +1.0 dB\u003c\/li\u003e\n\u003cli\u003eMaximum Output Level (MOL) at 315 Hz: +4.0 dB\u003c\/li\u003e\n\u003cli\u003eMOL at 10 kHz: -7.5 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity at 315 Hz: +1.0 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity at 3.15 kHz: 0.0 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity at 10 kHz: +1.0 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity at 16 kHz: +3.0 dB\u003c\/li\u003e\n\u003cli\u003eBias Noise: -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003eUsers have praised the TDK SA-X for its smooth and capable sound quality. It is noted for its high dynamic range and clear audio performance, making it a reliable choice for various recording needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-X  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Formulation\u003c\/strong\u003e: The TDK SA-X features a dual layer formulation based on Super Avylin particles, which offers improvements over the TDK SA in the high end of the audio spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Bias\u003c\/strong\u003e: Designed for high bias recording and playback, ensuring optimal performance with 70 µs equalization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied with Accessories\u003c\/strong\u003e: Comes with a clear case, J-card, and stickers for easy identification and storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X builds upon the improvements of the TDK SA by offering enhanced high-end audio performance through its dual layer formulation based on Super Avylin particles. This results in a more detailed and clear sound quality, making it a preferred choice for those seeking high fidelity audio recordings.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47147172004159,"sku":"","price":19.3,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":46547064488255,"sku":"","price":18.81,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47147172036927,"sku":"","price":17.12,"currency_code":"USD","in_stock":false},{"title":"100 (5 Pack)","offer_id":47147188158783,"sku":"","price":94.22,"currency_code":"USD","in_stock":false},{"title":"100 (3 Pack)","offer_id":47147188191551,"sku":"","price":55.9,"currency_code":"USD","in_stock":false},{"title":"100 (2 Pack)","offer_id":47147188224319,"sku":"","price":37.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-X-1990-1991-US-Ultra-Ferric-6546.jpg?v=1717060681"},{"product_id":"tdk-sa-1992-1995-us","title":"TDK SA Type II - 1992-1995 US","description":"\u003ch1\u003eTDK SA (1992-1995 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003eTDK SA  Cassette Description:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape, produced in the United States from 1992 to 1995, is a high-quality, blank audio cassette designed for professional and personal recording needs. It features a durable, heavy shell construction that ensures reliable performance and longevity.\u003c\/p\u003e\n\n\u003ch2\u003eTDK SA  Technical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA  Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType II Cassette:\u003c\/strong\u003e Optimized for high-quality audio recording and playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Avylin Magnetic Particle:\u003c\/strong\u003e Enhances sound fidelity and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Shell Construction:\u003c\/strong\u003e Provides robust protection against wear and tear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90-Minute Recording Time:\u003c\/strong\u003e Suitable for extended recording sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape builds upon the success of earlier TDK cassettes, offering improved sound quality and reliability. The Super Avylin magnetic particle formulation enhances the overall performance of the tape, making it a reliable choice for both professional and personal use.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47128929403199,"sku":"","price":15.6,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":47128929468735,"sku":"","price":14.29,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":53027299459391,"sku":null,"price":13.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1992-1995-US-Ultra-Ferric-4441.jpg?v=1717061211"},{"product_id":"tdk-sa-1982-1984-us","title":"TDK SA Type II - 1982-1984 US","description":"\u003ch1\u003eTDK SA (1982-1984 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1982-1984 US) is a high-quality audio cassette tape designed for reliable and clear audio reproduction. It is part of TDK's Type II cassette series, known for its ferricobalt formulations optimized for high-bias recording and 70 μs replay equalization.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle\u003c\/strong\u003e: Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz\u003c\/strong\u003e: +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz\u003c\/strong\u003e: -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerricobalt Formulation\u003c\/strong\u003e: Optimized for high-bias recording and 70 μs replay equalization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e: Consistent sensitivity across various frequency ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise\u003c\/strong\u003e: Excellent signal-to-noise ratio, ensuring clear audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Dynamic Range\u003c\/strong\u003e: Capable of capturing a wide range of audio frequencies.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA offers improvements over earlier versions of TDK Type II cassettes, particularly in terms of bias noise and dynamic range. The late version (1983-1985) shows significant reductions in bias noise and improvements in dynamic range, making it a reliable choice for audio recording.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47128959418687,"sku":"","price":18.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1982-1984-US-Ultra-Ferric-5897.jpg?v=1717061213"},{"product_id":"tdk-sa-1985-us","title":"TDK SA Type II - 1985 US","description":"\u003ch1\u003eTDK SA (1985 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1985 US) cassette tape is a high-quality, Type II audio cassette designed for reliable and clear audio recording. It is manufactured by TDK, a renowned brand in the audio cassette industry, known for its commitment to quality and consistency.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTrack Width\u003c\/strong\u003e: 0.6 mm per channel with a 0.3 mm separation to avoid crosstalk.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHead Gap\u003c\/strong\u003e: 2 μm, allowing a theoretical maximum frequency of about 12 kHz at the standard speed of 1 7\/8 ips or 4.76 cm\/s.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -53.6 dB, -57.5 dB(A) for low noise levels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: 62.4 dB, ensuring a wide range of audio frequencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\"\"The TDK SA cassette tape provides excellent sound quality and durability. It is a reliable choice for both home and professional recording applications.\"\" \u003c\/li\u003e\n    \u003cli\u003e\"\"I have used TDK SA tapes for years and have never experienced any issues with playback or recording. They are a trusted brand in the industry.\"\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Properties\u003c\/strong\u003e: Utilizes ferricobalt formulations optimized for Type II recording and playback settings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Designed to be compatible with a wide range of cassette decks, ensuring broad usability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e: Offers a high signal-to-noise ratio, resulting in clear and clean audio recordings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape builds upon the improvements of its predecessors, offering enhanced dynamic range and lower bias noise. The ferricobalt formulation ensures better high-frequency response and lower signal degradation over time. These advancements make the TDK SA cassette tape a reliable choice for both professional and personal audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47128969740607,"sku":"","price":17.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1985-US-Ultra-Ferric-3843.jpg?v=1717061218"},{"product_id":"tdk-sa-1989-us","title":"TDK SA Type II - 1989 US","description":"\u003ch1\u003eTDK SA (1989 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\n\u003cp\u003eThe TDK SA (1989 US) cassette tape is a high-quality, Type II audio cassette designed for professional and home recording applications. It features a dual-layer Super Avylin magnetic particle formulation, ensuring optimal audio performance and durability.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle\u003c\/strong\u003e: Super Avylin (dual layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 315 Hz\u003c\/strong\u003e: +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 10 kHz\u003c\/strong\u003e: -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315 Hz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10 kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16 kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003e\"The TDK SA cassette tape offers outstanding performance for its price. It is a reliable choice for both professional and home recordings.\" \u003c\/li\u003e\n\u003cli\u003e\"This tape provides clear and crisp audio, making it ideal for music enthusiasts and audiophiles.\" \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Output Level\u003c\/strong\u003e: The TDK SA cassette tape delivers high output levels across the frequency spectrum, ensuring clear and detailed audio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Distortion\u003c\/strong\u003e: With a low distortion rate, this cassette tape maintains the integrity of the audio signal, providing a clean and undistorted sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Layer Magnetic Particle\u003c\/strong\u003e: The Super Avylin formulation ensures that the tape can handle high-frequency recordings with precision and accuracy.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\n\u003cp\u003eThe TDK SA cassette tape builds upon the success of its predecessors by offering improved magnetic properties and a more consistent performance across the audio spectrum. The dual-layer Super Avylin formulation enhances the tape's ability to handle high-frequency recordings, making it a reliable choice for both professional and home recording applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47128975180095,"sku":"","price":15.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1989-US-Ultra-Ferric-557.jpg?v=1717061222"},{"product_id":"tdk-sa-1997-2002-us","title":"TDK SA Type II - 1997-2002 US","description":"\u003ch1\u003eTDK SA (1997-2002 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003eTDK SA  Cassette Description:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1997-2002 US) cassette tape is a high-quality audio cassette designed for reliable and clear audio playback. It is part of the Super Avylin series, known for its magnetic particle formulation that enhances sound quality and durability.\u003c\/p\u003e\n\n\u003ch2\u003eTDK SA  Technical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA  Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Magnetic Particle Formulation:\u003c\/strong\u003e Enhances sound clarity and reduces noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Operating Bias:\u003c\/strong\u003e Ensures accurate playback and recording.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Levels:\u003c\/strong\u003e Minimizes distortion and interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Dynamic Range:\u003c\/strong\u003e Provides detailed and balanced audio reproduction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape builds upon the success of earlier models by incorporating advanced magnetic particle technology and optimized operating bias settings. These improvements result in a more stable and high-quality audio performance compared to its predecessors.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47128998936895,"sku":"","price":13.94,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":47128992121151,"sku":"","price":13.48,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47128992153919,"sku":"","price":12.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1997-2002-US-Ultra-Ferric-5697.jpg?v=1717061230"},{"product_id":"tdk-sa-1990-1991-us","title":"TDK SA Type II - 1990-1991 US","description":"\u003ch1\u003eTDK SA (1990-1991 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1990-1991 US) is a high-quality, blank audio cassette tape designed for professional and personal use. Manufactured by TDK, a renowned brand in the audio cassette industry, this tape is known for its reliable performance and superior sound quality.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eType II \/ Chrome Tape:\u003c\/strong\u003e Offers a wide dynamic range and acoustic inertness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC90 Length:\u003c\/strong\u003e Each side provides 45 minutes of recording time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied in a Clear Case:\u003c\/strong\u003e Includes a J-card and stickers for easy identification and organization.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1990-1991 US) builds upon the success of its predecessor, the TDK SA, which was introduced in the 1970s. The TDK SA (1990-1991 US) retains the Super Avylin magnetic particle formulation but with slight adjustments in coercivity and remanence, ensuring improved performance and stability in high-end audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47129009848639,"sku":null,"price":14.92,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":47129009881407,"sku":null,"price":14.25,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47129009914175,"sku":null,"price":12.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1990-1991-US-Ultra-Ferric-1069.jpg?v=1717061234"},{"product_id":"tdk-sa-1987-1989-us","title":"TDK SA Type II - 1987-1988 US","description":"\u003ch1\u003eTDK SA (1987-1988 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1987-1988 US) is a high-quality blank cassette tape designed for professional audio recording and playback. It features a durable, polyester-type plastic film with a magnetic coating, ensuring reliable performance and long-lasting quality.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Particle\u003c\/strong\u003e: Super Avylin\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 650 Oe\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.85\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: 0.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMOL 315Hz\u003c\/strong\u003e: +4.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMOL 10kHz\u003c\/strong\u003e: -7.5dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz\u003c\/strong\u003e: 0.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz\u003c\/strong\u003e: 0.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz\u003c\/strong\u003e: 0.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz\u003c\/strong\u003e: 0.0dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -60.5dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\"\"The TDK SA cassette tape has been a staple in my recording studio for years. It consistently delivers high-quality audio with minimal noise and distortion.\"\"\u003c\/li\u003e\n    \u003cli\u003e\"\"I've used these tapes for both music and voice recordings, and they always come out sounding clear and crisp.\"\" \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Dynamic Range\u003c\/strong\u003e: The TDK SA cassette tape offers a dynamic range of 64.4dB, ensuring detailed and accurate audio reproduction.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Noise\u003c\/strong\u003e: With a bias noise of -60.5dB, this cassette tape minimizes background noise, providing clean and clear recordings.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Frequency Response\u003c\/strong\u003e: The Super Avylin magnetic particle ensures improved frequency response, particularly in the high-end spectrum.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape builds upon the success of its predecessors by offering improved sensitivity and dynamic range. The 1987-1988 US version features enhanced specifications that make it suitable for a wide range of audio applications, including professional recording and playback.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47129040519487,"sku":null,"price":18.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1987-1989-US-Ultra-Ferric-5110.jpg?v=1717061238"},{"product_id":"tdk-sa-x-1990-1991-eu","title":"TDK SA-X Type II - 1990-1991 EU","description":"\u003ch1\u003eTDK SA-X (1990-1991 EU) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1990-1991 EU) is a high-quality, blank audio cassette tape designed for professional and personal use. Manufactured by TDK, a renowned brand in the audio cassette industry, this tape is known for its reliable performance and durability.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Type II \/ Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: C90 (45 minutes per side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Properties\u003c\/strong\u003e: Super Avylin particle formulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL)\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAt 315 Hz: +4.0 dB\u003c\/li\u003e\n\u003cli\u003eAt 10 kHz: -7.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAt 315 Hz: +1.0 dB\u003c\/li\u003e\n\u003cli\u003eAt 10 kHz: +1.0 dB\u003c\/li\u003e\n\u003cli\u003eAt 16 kHz: +3.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003e\"The TDK SA-X cassette tape offers exceptional clarity and minimal noise, making it ideal for recording and playback. Its durability ensures that the tape remains reliable even after multiple uses.\" \u003c\/li\u003e\n\u003cli\u003e\"I have been using the TDK SA-X for my music projects, and I am impressed by its high-fidelity performance. The tape's ability to maintain a wide dynamic range is particularly noteworthy.\" \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-X  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Dynamic Range\u003c\/strong\u003e: The TDK SA-X cassette tape is designed to provide a wide dynamic range, ensuring that both high and low frequencies are captured with clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Level\u003c\/strong\u003e: The tape features a low bias noise level, which contributes to its high signal-to-noise ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: The chrome formulation and robust design make the tape resistant to wear and tear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X cassette tape builds upon the improvements of its predecessor, the TDK SA. It features a dual-layer Super Avylin particle formulation, which enhances the tape's high-frequency performance and reduces noise levels. This makes the TDK SA-X a superior choice for those seeking high-quality audio recordings\u003ca href=\"\"\u003e.\u003c\/a\u003e\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47147199988031,"sku":null,"price":19.3,"currency_code":"USD","in_stock":false},{"title":"90","offer_id":47147200020799,"sku":null,"price":18.57,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":47147200053567,"sku":null,"price":17.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-X-1990-1991-EU-Ultra-Ferric-3042.jpg?v=1717061327"},{"product_id":"tdk-sa-x-1982-1985-us","title":"TDK SA-X Type II - 1982-1985 US-JP","description":"\u003ch1\u003eTDK SA-X (1982-1985 US-JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003eTDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1982-1985 US-JP) is a high-quality blank audio cassette tape designed for professional and personal use. It is part of the Type II cassette tape series, known for its superior performance in the high-frequency spectrum. The cassette is formulated with Super Avylin particles, which enhance its magnetic properties and ensure reliable recording and playback.\u003c\/p\u003e\n\n\u003ch2\u003eTDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin (dual layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 315 Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 10 kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315 Hz:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10 kHz:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16 kHz:\u003c\/strong\u003e +3.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA-X  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Formulation:\u003c\/strong\u003e The Super Avylin particles ensure improved high-frequency response and reduced distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Frequency Sensitivity:\u003c\/strong\u003e The tape exhibits 1.5 dB higher sensitivity at high frequencies compared to the TDK SA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise:\u003c\/strong\u003e The cassette features a bias noise of -61.0 dB, contributing to a cleaner audio signal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X offers significant improvements over the TDK SA in terms of high-frequency sensitivity and overall performance. The dual-layer formulation with Super Avylin particles enhances the tape's magnetic properties, resulting in better sound quality and reduced distortion.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"60","offer_id":47147202871615,"sku":"","price":25.6,"currency_code":"USD","in_stock":false},{"title":"46 (JP)","offer_id":49371933999423,"sku":"","price":23.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-X-1982-1988-US-Ultra-Ferric-3732.jpg?v=1717061331"},{"product_id":"tdk-sa-x-1992-1995-us","title":"TDK SA-X Type II - 1992-1995 US","description":"\u003ch1\u003eTDK SA-X (1992-1995 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1992-1995 US) is a high-quality, blank Type II cassette tape designed for professional audio applications. It is known for its consistent performance and reliability, making it a preferred choice among audio engineers and musicians.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Sensitivity\u003c\/strong\u003e: +1.3 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD at Dolby Level\u003c\/strong\u003e: 0.45%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL400(1% THD)\u003c\/strong\u003e: +3.7 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL400(3% THD)\u003c\/strong\u003e: +7.1 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL1k(3% THD)\u003c\/strong\u003e: +6.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOL10k\u003c\/strong\u003e: -2.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -54.4 dB, -58.4 dB(A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: 65.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-X  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Formulation\u003c\/strong\u003e: Based on Super Avylin particles, offering improved high-end audio performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Definition Sound\u003c\/strong\u003e: Capable of delivering clear and detailed sound with minimal distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Coating Technology\u003c\/strong\u003e: Enhances the cassette's ability to reduce noise and improve dynamic range.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1992-1995 US) builds upon the improvements of its predecessors, particularly in terms of dynamic range and low bias noise. It maintains a consistent performance across various frequency ranges, making it a reliable choice for professional audio recordings.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":47147212865855,"sku":null,"price":18.95,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":47147212898623,"sku":null,"price":18.08,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":47147212931391,"sku":null,"price":16.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-X-1992-1995-US-Ultra-Ferric-7525.jpg?v=1717061335"},{"product_id":"tdk-sa-xs-1997-2001-eu","title":"TDK SA-XS Type II - 1997-2001 EU","description":"\u003ch1\u003eTDK SA-XS (1997-2001 EU) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-XS  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-XS cassette tape is a high-quality, blank audio cassette designed for professional and enthusiast use. Manufactured during the period of 1997 to 2001 in Europe, this cassette tape is part of the advanced line of TDK's magnetic particle technology, known for its superior audio fidelity.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-XS  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle\u003c\/strong\u003e: Super Avylin (dual layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz\u003c\/strong\u003e: +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz\u003c\/strong\u003e: -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz\u003c\/strong\u003e: +3.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003eThe TDK SA-XS cassette tape has been praised for its excellent sound quality and durability. Users have noted that it offers a clear and detailed audio performance, making it suitable for both recording and playback applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-XS  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Magnetic Particle\u003c\/strong\u003e: The Super Avylin particle technology ensures high-quality audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Coercivity\u003c\/strong\u003e: Resistant to external interference and self-demagnetization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise\u003c\/strong\u003e: Provides a clean and noise-free audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Frequency Response\u003c\/strong\u003e: Designed to handle a wide range of frequencies with minimal distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-XS cassette tape builds upon the improvements of the TDK SA line by offering enhanced magnetic properties and a more optimized frequency response. This results in a more accurate and detailed audio reproduction compared to its predecessors.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47168644153663,"sku":"","price":80.94,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":47168634978623,"sku":null,"price":76.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-XS-1997-2001-EU-Ultra-Ferric-2302.jpg?v=1717061668"},{"product_id":"tdk-sa-xs-1995-1997-eu","title":"TDK SA-XS Type II - 1995-1997 EU","description":"\u003ch1\u003eTDK SA-XS (1995-1997 EU) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-XS  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-XS (1995-1997 EU) is a high-quality, blank audio cassette tape designed for professional and home recording applications. It features a sophisticated coating technology and super-precision antiresonance cassette shell, ensuring optimal sound quality and minimal noise interference.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-XS  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz, 3.15kHz, 10kHz, and 16kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-XS  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Coating Technology:\u003c\/strong\u003e Utilizes ultra-fine Super Avylin particles for enhanced sound quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Definition Sound Staging:\u003c\/strong\u003e Offers superior dynamic range and resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper-Precision Antiresonance Shell:\u003c\/strong\u003e Minimizes noise interference for clear audio reproduction.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-XS builds upon the success of earlier TDK cassettes by incorporating advanced coating technology and a more precise antiresonance shell. This combination results in improved sound fidelity and reduced noise levels, making it a preferred choice among audiophiles.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47168650314047,"sku":null,"price":89.38,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":47168650346815,"sku":null,"price":78.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-XS-1995-1997-EU-Ultra-Ferric-126.jpg?v=1717061672"},{"product_id":"tdk-sa-x-1987-1989-jp","title":"TDK SA-X Type II - 1987-1989 US","description":"\u003ch1\u003eTDK SA-X (1987-1989 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X is a high-quality, blank audio cassette tape designed for professional and home recording applications. It is part of the Type II cassette family, known for its ferricobalt formulation which offers a balance between high-fidelity audio and durability.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin (dual layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 315 Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 10 kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315 Hz:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15 kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10 kHz:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16 kHz:\u003c\/strong\u003e +3.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003e\"The TDK SA-X cassette tape has consistently delivered high-quality recordings with minimal noise and distortion. It is a reliable choice for both professional and home use.\"\u003c\/li\u003e\n\u003cli\u003e\"I have used the TDK SA-X for several projects, and it has always performed well. The sound quality is excellent, and the tape is durable.\" \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-X  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Formulation:\u003c\/strong\u003e The TDK SA-X features a dual layer of Super Avylin particles, which enhances its high-frequency performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerricobalt Formulation:\u003c\/strong\u003e The ferricobalt formulation ensures a good balance between high-fidelity audio and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise:\u003c\/strong\u003e The cassette tape has a low bias noise level of -61.0 dB, contributing to its high signal-to-noise ratio.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X cassette tape offers improvements over the TDK SA in the high end of the audio spectrum. The dual layer formulation and enhanced sensitivity at high frequencies make it a superior choice for recording and playback applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":47218441847103,"sku":"","price":24.6,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47218441879871,"sku":"","price":22.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4740s.jpg?v=1718572492"},{"product_id":"tdk-sa-1985-1987-jp","title":"TDK SA Type II - 1985-1987 JP","description":"\u003ch1\u003eTDK SA (1985-1987 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003eTDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1985-1987 JP) is a high-quality, blank audio cassette tape designed for professional and personal use. It is part of the renowned TDK SA series, known for its reliability and performance in recording and playback.\u003c\/p\u003e\n\n\u003ch2\u003eTDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e 59.6 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e The TDK SA offers high sensitivity, ensuring clear recordings even at low volumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise:\u003c\/strong\u003e The cassette features low bias noise, contributing to a cleaner and more accurate sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Dynamic Range:\u003c\/strong\u003e With a dynamic range of 59.6 dB, the TDK SA provides a balanced and detailed audio experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1985-1987 JP) builds upon the success of its predecessors, offering improved sensitivity and a more stable magnetic particle formulation. These enhancements ensure consistent performance and better overall sound quality compared to earlier models.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":50250822254911,"sku":"","price":25.14,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":50250822287679,"sku":"","price":23.18,"currency_code":"USD","in_stock":false},{"title":"54","offer_id":50250822320447,"sku":"","price":22.09,"currency_code":"USD","in_stock":true},{"title":"46","offer_id":50250822353215,"sku":null,"price":21.88,"currency_code":"USD","in_stock":true},{"title":"90 (2 Pack)","offer_id":49286092259647,"sku":"","price":46.45,"currency_code":"USD","in_stock":true},{"title":"46 (2 Pack)","offer_id":49700386111807,"sku":"","price":42.3,"currency_code":"USD","in_stock":false},{"title":"46 (4 Pack)","offer_id":47309986693439,"sku":"","price":75.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/TDK-SA-1985-1987-JP-Ultra-Ferric-2469.jpg?v=1717115431"},{"product_id":"tdk-sa-1994-1997-jp","title":"TDK SA Type II - 1994-1997 JP","description":"\u003ch1\u003eTDK SA (1994-1997 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1994-1997 JP) is a high-quality, blank audio cassette tape designed for professional and personal use. Known for its reliability and performance, this cassette tape is a staple in the audio industry.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003e\"The TDK SA has been the benchmark for Type II cassettes for many years, offering outstanding performance and reliability. It is a must-have for any serious audio enthusiast.\" \u003c\/li\u003e\n\u003cli\u003e\"This cassette tape is known for its high dynamic range and low bias noise, making it ideal for recording and playback applications.\" \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Dynamic Range:\u003c\/strong\u003e The TDK SA cassette tape boasts a dynamic range of 59.2 dB, ensuring clear and detailed audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise:\u003c\/strong\u003e With a bias noise of -60.5 dB, this cassette tape minimizes background noise, providing a cleaner audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Avylin Magnetic Particle:\u003c\/strong\u003e The use of Super Avylin magnetic particles enhances the tape's magnetic properties, ensuring stable and consistent performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape underwent significant improvements from its initial release in 1974. By the 1994-1997 period, it had refined its specifications, including a lower THD at Dolby Level (0.53%) and improved MOL400(1%) and MOL400(3%) measurements (+2.7 dB and +6.4 dB respectively) . These enhancements solidified its position as a reliable choice for audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"100","offer_id":49700394893631,"sku":"","price":19.37,"currency_code":"USD","in_stock":true},{"title":"70","offer_id":47479736369471,"sku":"","price":17.02,"currency_code":"USD","in_stock":false},{"title":"54","offer_id":47704653726015,"sku":"","price":15.87,"currency_code":"USD","in_stock":true},{"title":"50","offer_id":49094410600767,"sku":"","price":15.28,"currency_code":"USD","in_stock":false},{"title":"46","offer_id":49094410633535,"sku":"","price":14.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4817s.jpg?v=1718572827"},{"product_id":"tdk-sa-1979-1981-jp","title":"TDK SA Type II - 1979-1981 JP","description":"\u003ch1\u003eTDK SA (1979-1981 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch3\u003eC-Stock Information - Important!\u003c\/h3\u003e\n\u003cp\u003ePlease read our \u003ca href=\"..\/collections\/c-stock\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eC Stock collection page\u003c\/a\u003e terms carefully before purchasing any C Stock items.\u003c\/p\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA is a high-performance audio cassette tape designed for professional and consumer use. Introduced in 1974 and widely used from 1979 to 1981, it was a significant improvement over earlier formulations. The TDK SA is known for its exceptional magnetic properties, making it a reliable choice for recording and playback.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Properties:\u003c\/strong\u003e The Super Avylin particle formulation ensures high-quality audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to work seamlessly with standard cassette decks, it supports both Type I and Type II equalization settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e Offers a dynamic range of 60-65 dB, suitable for a wide range of audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e Provides a low bias noise level of -60.5 dB, ensuring clear and distortion-free recordings.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA represents an advancement in magnetic tape technology, offering improved coercivity and remanence compared to earlier ferric oxide tapes. Its use of ferricobalt formulations enhances its high-frequency response and overall signal quality, making it a reliable choice for both professional and consumer applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"60","offer_id":47593626272063,"sku":null,"price":16.35,"currency_code":"USD","in_stock":false},{"title":"90 (C Stock - READ)","offer_id":47593626239295,"sku":null,"price":18.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/comingsoonJPG.jpg?v=1728595418"},{"product_id":"tdk-sa-x-1990-1991-us-4-pack-with-headphones","title":"TDK SA-X (1990-1991 US) 4 Pack with Headphones","description":"\u003ch1\u003eTDK SA-X (1990-1991 US) 4 Pack with Headphones Cassette Tape\u003c\/h1\u003e\n\n\u003c!-- 1. Cassette bundle description --\u003e\n  \u003csection id=\"description\"\u003e\n    \u003ch2\u003eTDK SA-X Cassette Bundle Description\u003c\/h2\u003e\n    \u003cp\u003e\n      The \u003cstrong\u003eTDK SA-X (1990–1991 US) 4 Pack with Headphones\u003c\/strong\u003e includes four 100-minute blank tape media and a dedicated headphone set. Each audio cassette employs a dual-layer Super Avylin chrome formulation (Type II), originally introduced as a benchmark for deck calibration and known for stable bias characteristics and a wide dynamic range. The included headphones allow direct monitoring of recording and playback without additional equipment, making this bundle suitable for professional studio, field recording, and personal archival applications.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- 2. Cassette bundle Technical Specifications --\u003e\n  \u003csection id=\"specifications\"\u003e\n    \u003ch2\u003eTDK SA-X Cassette Bundle Technical Specifications\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e IEC Type II \/ Chrome (Super Avylin dual-layer)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 70 µs\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 620 Oe\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1 650 Gauss\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.83\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL):\u003c\/strong\u003e +4.0 dB @ 315 Hz; –7.5 dB @ 10 kHz\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e +1.0 dB @ 315 Hz; +1.0 dB @ 10 kHz; +3.0 dB @ 16 kHz\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e –61.0 dB\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  ","brand":"TDK","offers":[{"title":"100 (B stock)","offer_id":47791474671935,"sku":null,"price":129.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/SA-X-1990-1991-pack-US-F_618e0cb4-bd3d-4cab-aa7c-f7193c039fd4.jpg?v=1707788398"},{"product_id":"tdk-sa-1989-us-4-pack-with-headphones","title":"TDK SA (1989 US) 4 Pack with Headphones","description":"\u003ch1\u003eTDK SA (1989 US) 4 Pack with Headphones Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA Cassette Bundle Description\u003c\/h2\u003e\n\n    \u003cp\u003e\n      The \u003cstrong\u003eTDK SA-1989 US 4-Pack with Headphones\u003c\/strong\u003e comprises four blank tape media, each a TDK SA 90-minute IEC Type II audio cassette, and a dedicated headphone set.  \n      The SA formulation utilizes Super Avilyn (ferricobalt “pseudochrome”) coating, introduced as a royalty-free alternative to CrO₂, offering stable bias characteristics and consistent frequency response across standard cassette tape decks.  \n    \u003c\/p\u003e\n\n\u003ch2\u003eTDK SA Cassette Bundle Technical Specifications\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e IEC Type II (Chrome, Ferricobalt Super Avilyn) \u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e –54.3 dB; –58.4 dB(A)  \u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e 64.8 dB \u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL):\u003c\/strong\u003e +6.4 dB @ 400 Hz (3 % THD); +6.1 dB @ 1 kHz (3 % THD) \u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e 58.4 dB(A) \u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Ferricobalt (Super Avilyn)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe; \u003cstrong\u003eRemanence:\u003c\/strong\u003e 1 650 Gauss; \u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85; \u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB  \u003c\/li\u003e\n    \u003c\/ul\u003e\n\n\u003cul\u003e\n      \u003cli\u003e\n        “The TDK SA cassette was specifically recommended by Portastudio manufacturers Tascam for use in home multitracking; it rendered excellent sound preservation and detail across the frequency spectrum.” \u003c\/li\u003e\n      \u003cli\u003e\n        “It was highly resilient, minimizing glitches in the recording, one of the most serious problems with physically narrow tape media.”  \u003c\/li\u003e\n    \u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA Cassettes + Headphones Bundle Key Features\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eExtended Play Duration:\u003c\/strong\u003e 90 min per tape for uninterrupted audio cassette recording.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHigh-Bias Formulation:\u003c\/strong\u003e Super Avilyn ferricobalt coating reduces noise compared to Type I blanks.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eStable Tape Calibration:\u003c\/strong\u003e Industry reference for bias and equalization alignment.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBroad Frequency Response:\u003c\/strong\u003e MOL metrics indicate balanced performance at low and high frequencies.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHeadphone Monitoring:\u003c\/strong\u003e Included headphones enable direct audio verification during recording and playback.\u003c\/li\u003e\n    \u003c\/ul\u003e","brand":"TDK","offers":[{"title":"90 (4 Pack + Headphones)","offer_id":47791499936063,"sku":"","price":85.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/SA-1989-US-S-4pack-headphones_cefb0b38-03d0-44e3-907d-9a8cf3d02f84.jpg?v=1707775615"},{"product_id":"tdk-sa-1990-1991-jp","title":"TDK SA Type II - 1990-1991 JP","description":"\u003ch1\u003eTDK SA (1990-1991 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1990-1991) is a high-quality, blank audio cassette tape designed for professional and personal use. Manufactured by TDK, a renowned brand in the audio cassette industry, this tape is known for its reliability and performance. The TDK SA is wound to C90 length, offering 45 minutes of recording time per side.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Type\u003c\/strong\u003e: Type II \/ Chrome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias\u003c\/strong\u003e: High bias\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: Competitively high, with a dynamic range suitable for a wide range of audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e: High sensitivity, ensuring clear and crisp recordings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: Low bias noise, contributing to a cleaner audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ\u003c\/strong\u003e: 70 µs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Bias\u003c\/strong\u003e: Ensures better high-frequency response and overall sound quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType II \/ Chrome Tape\u003c\/strong\u003e: Offers a wide dynamic range and high sensitivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustically Inert Dense Gravity Mechanism\u003c\/strong\u003e: Enhances the stability and durability of the cassette.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1990-1991) builds upon the success of earlier TDK cassettes, particularly the TDK SA-X, which introduced a dual-layer Super Avylin particle formulation for improved high-end audio performance. The TDK SA maintains a high level of performance with its high bias and low bias noise, making it a reliable choice for various audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"60","offer_id":47796483457343,"sku":"","price":17.64,"currency_code":"USD","in_stock":false},{"title":"54","offer_id":49700397646143,"sku":"","price":16.81,"currency_code":"USD","in_stock":true},{"title":"40","offer_id":50263291691327,"sku":"","price":16.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_5550s.jpg?v=1721230516"},{"product_id":"tdk-sa-1992-jp","title":"TDK SA Type II - 1992 JP","description":"\u003ch1\u003eTDK SA (1992 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1992 JP) is a high-quality blank cassette tape designed for professional and personal audio recording. Known for its robust construction and reliable performance, this cassette tape is ideal for various applications, including music recording, voice-overs, and data storage.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Shell:\u003c\/strong\u003e The cassette features a heavy shell that provides excellent protection against wear and tear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Avylin Magnetic Particle:\u003c\/strong\u003e This advanced magnetic particle ensures high-quality audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Frequency Response:\u003c\/strong\u003e The cassette offers a balanced frequency response across various audio ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA (1992 JP) builds upon the success of its predecessors by maintaining a consistent level of performance and quality. It is part of the Super Avylin series, which was introduced to compete with chrome-based type II cassettes. 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It features a durable polyester-type plastic film with a magnetic coating, ensuring reliable playback and recording performance.\u003c\/p\u003e\n\n\u003ch2\u003eTDK Superior SA  Technical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Coating:\u003c\/strong\u003e The tape uses a ferricobalt formulation, known for its stability and low noise levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e It can reliably reproduce frequencies from 30 Hz to 16 kHz, making it suitable for high-fidelity audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e The dynamic range is approximately 60-65 dB, ensuring clear and detailed sound reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Level:\u003c\/strong\u003e The coercivity of the tape is around 580-700 Oe, and the remanence is 1300-1550 G, which are typical values for high-quality ferricobalt tapes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003eUsers have praised the TDK Superior SA for its excellent sound quality, low noise levels, and reliable performance. Many have noted that it is ideal for recording and playback in various environments, including home studios and professional settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK Superior SA  Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise:\u003c\/strong\u003e Designed to minimize noise and ensure smooth playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Fidelity:\u003c\/strong\u003e Capable of reproducing a wide range of frequencies, making it suitable for high-fidelity audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The polyester-type plastic film and magnetic coating ensure durability and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation:\u003c\/h2\u003e\n\u003cp\u003eThe TDK Superior SA cassette tape builds upon the advancements in ferricobalt formulations, offering improved stability and low noise levels compared to earlier models. This makes it a reliable choice for both professional and home audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":48997785829695,"sku":"","price":16.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4593s.jpg?v=1717094797"},{"product_id":"tdk-sa-90-set-1982-2005","title":"TDK SA 90 Time Capsule Set 1982-2005","description":"\u003cp\u003eFor the true cassette tape enthusiast, we’re offering this exclusive 8-pack of TDK SA 90 cassettes spans this iconic Type II tape’s evolution from 1982, all the way to 2005 when the last one left the production line. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis limited-edition collection is available at a significant discount!\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\n\u003cstrong\u003eIndividually Priced $151.31 \u0026lt;-\u0026gt;  \u003c\/strong\u003e\u003cstrong\u003eBundle Price: $116.92\u003c\/strong\u003e\n\u003c\/h3\u003e","brand":"Ultra Ferric","offers":[{"title":"Default Title","offer_id":49803620352319,"sku":"","price":116.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_0381s.jpg?v=1727802572"},{"product_id":"tdk-sa-limited-edition-1988-jp","title":"TDK SA Limited Edition Type II - 1988 JP","description":"\u003ch1\u003eTDK SA Limited Edition (1988 JP) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA Limited Edition  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA Limited Edition (1988 JP) is a high-quality audio cassette tape designed for professional and enthusiast use. It features a unique formulation based on the Super Avylin magnetic particle, known for its excellent performance and durability. This cassette tape is part of the renowned TDK SA series, which has been a standard in the audio industry for its reliability and sound quality.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA Limited Edition  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\u003cli\u003e\"The TDK SA cassette tape offers outstanding performance and reliability. It is a must-have for any serious audio enthusiast.\"\u003c\/li\u003e\n\u003cli\u003e\"I have used several types of cassette tapes, but the TDK SA stands out for its clarity and durability. Highly recommended!\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA Limited Edition  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Avylin Magnetic Particle:\u003c\/strong\u003e Ensures high-quality audio reproduction with minimal distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Coercivity:\u003c\/strong\u003e Provides strong magnetic properties for reliable recording and playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Bias Noise:\u003c\/strong\u003e Offers a clean and quiet playback experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Frequency Response:\u003c\/strong\u003e Capable of capturing a broad range of frequencies for detailed audio reproduction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape was introduced in the early 1970s and underwent several improvements over the years. The 1988 version, in particular, saw enhancements in its magnetic properties and noise reduction capabilities. This edition features a more refined formulation that maintains its high performance standards while offering improved dynamic range and sensitivity. The TDK SA has been a benchmark for Type II cassettes, ensuring compatibility with a wide range of cassette decks and maintaining its position as a reliable choice for audio enthusiasts.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":49895093535039,"sku":null,"price":44.8,"currency_code":"USD","in_stock":false},{"title":"90 (B Stock)","offer_id":49895093567807,"sku":null,"price":42.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/comingsoonJPG.jpg?v=1728595418"},{"product_id":"tdk-sa-1985-1987-us","title":"TDK SA Type II - 1985-1987 US","description":"\u003ch1\u003eTDK SA (1985-1987 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003eTDK SA  Cassette Description:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape, produced from 1985 to 1987 in the United States, is a high-quality audio cassette designed for reliable and clear audio recording and playback. It is part of TDK's Type II cassette series, known for its superior sound quality and durability.\u003c\/p\u003e\n\n\u003ch2\u003eTDK SA  Technical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle:\u003c\/strong\u003e Super Avylin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 650 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 315Hz:\u003c\/strong\u003e +4.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL 10kHz:\u003c\/strong\u003e -7.5dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315Hz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16kHz:\u003c\/strong\u003e 0.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e -60.5dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTDK SA  Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e The TDK SA cassette tape offers high sensitivity, ensuring that audio recordings are clear and detailed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise:\u003c\/strong\u003e With a bias noise of -60.5dB, this cassette tape minimizes background noise, providing a cleaner audio experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e The cassette's durable construction ensures that it can withstand regular use without degrading the quality of the recordings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation:\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA cassette tape builds upon the success of earlier TDK Type II cassettes by offering improved sensitivity and lower noise levels. It uses the Super Avylin magnetic particle, which enhances its performance in the high-frequency range, making it suitable for a variety of audio applications.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":50027954045247,"sku":null,"price":18.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_7593-s.jpg?v=1740339283"},{"product_id":"tdk-sa-x-1985-1987-us","title":"TDK SA-X Type II - 1985-1987 US","description":"\u003ch1\u003eTDK SA-X (1985-1987 US) Cassette Tape\u003c\/h1\u003e\n\u003ch2\u003e TDK SA-X  Cassette Description\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X (1985-1987 US) is a high-quality, blank audio cassette tape designed for professional and enthusiast use. It is formulated with Super Avylin particles, ensuring superior sound quality and durability.\u003c\/p\u003e\n\n\u003ch2\u003e TDK SA-X  Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Particle\u003c\/strong\u003e: Super Avylin (dual layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 1650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio\u003c\/strong\u003e: 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 315 Hz\u003c\/strong\u003e: +4.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL) at 10 kHz\u003c\/strong\u003e: -7.5 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 315 Hz\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 3.15 kHz\u003c\/strong\u003e: 0.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 10 kHz\u003c\/strong\u003e: +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity at 16 kHz\u003c\/strong\u003e: +3.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e TDK SA-X  Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Layer Formulation\u003c\/strong\u003e: Utilizes Super Avylin particles for improved high-end audio performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Definition Sound\u003c\/strong\u003e: Offers superior sound quality with a wide dynamic range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Coating Technology\u003c\/strong\u003e: Enhances the cassette's durability and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe TDK SA-X offers improvements over the TDK SA in the high end of the audio spectrum. It provides better performance and a more stable sound quality, making it a preferred choice for audiophiles.\u003c\/p\u003e","brand":"TDK","offers":[{"title":"90","offer_id":50129627480383,"sku":null,"price":26.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_7505-s.jpg?v=1734710343"},{"product_id":"tdk-sa-x-1992-1995-us-5-pack-gift-set","title":"TDK SA-X (1992-1995 US) 5 Pack Gift Set","description":"\u003ch1\u003eTDK SA-X (1992-1995 US) 5 Pack Gift Set\u003c\/h1\u003e\n\u003c!-- 1. Cassette bundle description --\u003e\n\u003csection id=\"description\"\u003e\n\u003ch2\u003eTDK SA-X Cassette Bundle Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTDK SA-X (1992–1995 US) 5 Pack Gift Set\u003c\/strong\u003e includes five 100-minute blank tape media set. Each audio cassette employs a dual-layer Super Avylin chrome formulation (Type II), originally introduced as a benchmark for deck calibration and known for stable bias characteristics and a wide dynamic range. The included headphones allow direct monitoring of recording and playback without additional equipment, making this bundle suitable for professional studio, field recording, and personal archival applications.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 2. Cassette bundle Technical Specifications --\u003e\n\u003csection id=\"specifications\"\u003e\n\u003ch2\u003eTDK SA-X Cassette Bundle Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e IEC Type II \/ Chrome (Super Avylin dual-layer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 70 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity:\u003c\/strong\u003e 620 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence:\u003c\/strong\u003e 1 650 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquareness Ratio:\u003c\/strong\u003e 0.83\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Bias:\u003c\/strong\u003e +1.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Level (MOL):\u003c\/strong\u003e +4.0 dB @ 315 Hz; –7.5 dB @ 10 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e +1.0 dB @ 315 Hz; +1.0 dB @ 10 kHz; +3.0 dB @ 16 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e –61.0 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"TDK","offers":[{"title":"100 (5 Pack)","offer_id":53099459150143,"sku":null,"price":139.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/comingsoonJPG.jpg?v=1728595418"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/collections\/TDK_SA_Type_II_High_Bias.jpg?v=1771030552","url":"https:\/\/ultraferric.com\/collections\/tdk-sa-high-bias.oembed","provider":"Ultra Ferric","version":"1.0","type":"link"}