{"title":"BASF Cassette Tapes","description":"\u003ch2\u003eBASF Blank Cassette Tapes\u003c\/h2\u003e\n\u003cp\u003eBASF - Badische Anilin- und Soda-Fabrik - has the longest magnetic tape history of any company in the world. In 1934, BASF's Ludwigshafen plant supplied the first 50,000 meters of magnetic audio tape to electronics corporation AEG, enabling the first practical magnetic recording systems. This tape combined BASF's expertise in carbonyl iron powder production - developed since 1924 for telephone cable induction coils - with newly available synthetic polymer film as a carrier. Every subsequent generation of magnetic recording medium descends from that 1934 development.\u003c\/p\u003e\n\u003cp\u003eBASF was among the first to produce chromium dioxide cassette tapes commercially in Europe, and all generations of the IEC Type II reference tape - including the 1971 DIN reference that pre-dated the formal IEC standard - were manufactured by BASF. The Chromdioxid II series (made at BASF's Willstätt, Germany plant, which operated until 2004) is a genuine historical artefact: precision German manufacturing in a format that BASF helped define. BASF also produced the dual-layer FeCr (Type III) cassettes, made until 1984, and a complete range of premium Type I super ferrics: the LH-MXI, Ferro Super I, and Ferro Maxima I lines that competed directly with TDK AR and Maxell XLI-S at the top of the Type I market.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey BASF models in our collection:\u003c\/strong\u003e \u003cstrong\u003eLH and LH Extra I\u003c\/strong\u003e (entry and mid-range Type I); \u003cstrong\u003eFerro Super I and Ferro Maxima I\u003c\/strong\u003e (super ferric Type I reference class); \u003cstrong\u003eChromdioxid II\u003c\/strong\u003e (true CrO₂ Type II, genuine chromium dioxide formulation); \u003cstrong\u003eChrome Super II and Chrome Maxima II\u003c\/strong\u003e (premium Type II); \u003cstrong\u003eFerrochrom III \/ FeCr\u003c\/strong\u003e (rare Type III dual-layer, BASF's own ferrochrome design); \u003cstrong\u003eMetal IV\u003c\/strong\u003e (Type IV, BASF's metal particle cassette line).\u003c\/p\u003e\n\u003cp\u003eBASF exited consumer electronics branding in the 1990s. All surviving cassettes are finite NOS inventory. Free US shipping on orders over $50.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat makes BASF cassette tape historically significant?\u003c\/h3\u003e\n\u003cp\u003eBASF supplied the first 50,000 meters of magnetic audio tape to AEG in 1934 - the founding event of the entire magnetic recording industry. BASF was also the manufacturer of all generations of the IEC Type II reference tape, making them the technical foundation of the high-bias cassette standard.\u003c\/p\u003e\n\u003ch3\u003eDid BASF make real chrome (chromium dioxide) tape?\u003c\/h3\u003e\n\u003cp\u003eYes. BASF's Chromdioxid series used genuine CrO₂ - one of the few manufacturers, alongside DuPont\/PD Magnetics, to use true chromium dioxide rather than the cobalt-ferric 'pseudochrome' formulations most Japanese makers preferred. True chrome tape has a distinctive waxy smell and different calibration characteristics from ferricobalt.\u003c\/p\u003e\n\u003ch3\u003eWhat are the best BASF cassette tapes?\u003c\/h3\u003e\n\u003cp\u003eFor Type I, BASF Ferro Maxima I and Ferro Super I are super ferric classics competing with TDK AR-X and Maxell XLI-S. For Type II, Chrome Maxima II and Chromdioxid Super II are the premium offerings. The rare FeCr (Ferrochrom III) from 1984 and BASF Metal IV complete a remarkable full-range lineup.\u003c\/p\u003e\n\u003ch3\u003eWhere were BASF cassette tapes made?\u003c\/h3\u003e\n\u003cp\u003eBASF's primary cassette production plant was in Willstätt, Germany, which operated until 2004. Some production also ran through facilities in France and the USA. The 'Made in Germany' Willstätt production is particularly prized by collectors for its consistency and precision.\u003c\/p\u003e\n\u003ch3\u003eIs BASF still in the cassette tape business?\u003c\/h3\u003e\n\u003cp\u003eNo. BASF exited consumer electronics branding in the 1990s and closed its Willstätt tape plant in 2004. The BASF magnetic media business was eventually absorbed into EMTEC. All BASF-branded cassettes available today are finite NOS inventory.\u003c\/p\u003e","products":[{"product_id":"basf-reference-master-ii-90","title":"BASF Reference Master II Type II - 1995 DE","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Reference Master II (1995 DE) Cassette Tape is a high-quality, blank audio cassette designed for professional recording applications. It is engineered to provide optimal performance and reliability, making it an essential tool for mastering and archiving audio content.\u003c\/p\u003e\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxide Type\u003c\/strong\u003e: Chromium dioxide (CrO2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Material\u003c\/strong\u003e: Polyethylene (PE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 1.5 mil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoercivity\u003c\/strong\u003e: 600 Oe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: 53 kA\/m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaturation Flux Density\u003c\/strong\u003e: 1400 Gauss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 23,700 feet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e: The tape exhibits a sensitivity of 53 dB at 315 Hz, ensuring clear and detailed audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Levels\u003c\/strong\u003e: The chromium dioxide formulation provides a low noise level, making it ideal for high-fidelity recordings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability\u003c\/strong\u003e: The tape's uniformity and stability across its length ensure that recordings remain consistent from start to finish.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eImprovements Over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Reference Master II builds upon the success of its predecessors by incorporating advanced chromium dioxide particles, which enhance the tape's magnetic properties and reduce noise levels. This improvement ensures that the tape maintains its high performance standards, making it a reliable choice for professional audio applications.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"100","offer_id":52403604717887,"sku":null,"price":29.21,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":46546534662463,"sku":null,"price":27.56,"currency_code":"USD","in_stock":true},{"title":"20","offer_id":47097394299199,"sku":null,"price":18.49,"currency_code":"USD","in_stock":false},{"title":"10","offer_id":47351305339199,"sku":"","price":16.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/REF-M-1995-DE-F_4a195dcf-7a5c-4356-9788-955a7e7cacf9.jpg?v=1717038527"},{"product_id":"basf-professional-ii-1976-1978-us","title":"BASF Professional II Type II - 1976-1978 US","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Professional II (1976-1978 US) is a high-quality, single-layer chromium dioxide (CrO2) cassette tape designed for professional audio applications. It features a robust magnetic formulation that ensures reliable playback and recording performance. This cassette tape is part of the early generation of Type II tapes, which were widely used in the 1970s for their superior audio fidelity and durability.\u003c\/p\u003e\n\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Tape Type\u003c\/strong\u003e: Single-layer chromium dioxide (CrO2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Properties\u003c\/strong\u003e: Compliant with IEC II reference tape S4592A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording and Playback\u003c\/strong\u003e: Optimized for high-fidelity audio applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Level\u003c\/strong\u003e: Standard bias level for Type II tapes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime Constant\u003c\/strong\u003e: Compatible with 120 ?s time constant for optimal playback stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Tape Formulation\u003c\/strong\u003e: Chromium dioxide (CrO2) for high sensitivity and low noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Designed for use with standard Type II cassette players\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability\u003c\/strong\u003e: Robust construction to withstand frequent use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Fidelity\u003c\/strong\u003e: Optimized for clear and detailed sound reproduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Professional II cassette tape represents an improvement over earlier models by offering a more stable and sensitive magnetic formulation. This results in a quieter and more reliable playback experience compared to earlier single-layer tapes. Additionally, its compliance with IEC II reference tape S4592A ensures compatibility with a wide range of professional audio equipment.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":47147281514815,"sku":null,"price":17.68,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":46546733302079,"sku":null,"price":16.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/Pro-II-1976-1978-US-F_5865c579-e58a-471d-8c84-92af70b96f41.jpg?v=1717038517"},{"product_id":"basf-pro-ii-chrome-1982-1984-us","title":"BASF Pro II Chrome Type II - 1982-1984 US","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Pro II Chrome (1982-1984 US) cassette tape is a high-quality, blank audio cassette designed for professional and enthusiast use. Manufactured by BASF, a renowned German chemical company, this cassette is part of the iconic Chromdioxid II series known for its exceptional sound reproduction.\u003c\/p\u003e\n\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Chrome Type II\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Chromium(IV) oxide formulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias\u003c\/strong\u003e: High bias\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Requires calibration for optimal performance with decks calibrated to ferro cobalt Type II tapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Hiss\u003c\/strong\u003e: The pure chrome tape formulation results in minimal hiss, providing clear and clean audio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrilliant Reproduction\u003c\/strong\u003e: Designed for high-fidelity sound, these cassettes excel in reproducing detailed audio frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Required\u003c\/strong\u003e: For optimal performance, users need to calibrate their decks to accommodate the unique properties of these tapes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Pro II Chrome builds upon the success of its predecessors by offering a more refined and defined treble response, making it suitable for the era's quest for high fidelity. This cassette was particularly notable for its well-defined treble response, which was a significant improvement over earlier models .\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":46549076672831,"sku":null,"price":18.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/Pro-II-Chrome-1982-1984-US-F_095ae184-ea00-4eaf-9252-341dd1a11edb.jpg?v=1717038504"},{"product_id":"basf-chrome-extra-ii-1989-1990","title":"BASF Chrome Extra II Type II - 1989-1990","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Extra II (1989-1990) cassette tape is a high-quality, blank audio cassette designed for professional and personal use. Manufactured by BASF, a renowned German chemical company, this cassette is part of the Type II chrome tape series, known for its low hiss and excellent audio reproduction.\u003c\/p\u003e\n\n\u003ch2\u003eCassette 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\u003eLength\u003c\/strong\u003e: C90 (45 minutes per side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ\u003c\/strong\u003e: 70 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode\u003c\/strong\u003e: 4009993009515\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Sensitivity\u003c\/strong\u003e: -2.2 dB (for the 1991 version) \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD @ Dolby Level\u003c\/strong\u003e: 2% (for the 1991 version) \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL400(1%)\u003c\/strong\u003e: -4.9 dB (for the 1991 version) \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: 62.6 dB (for the 1991 version) \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Chrome Tape\u003c\/strong\u003e: Known for low hiss and high-quality audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Case with J-card and Stickers\u003c\/strong\u003e: Supplied in a clear case with a J-card and stickers for easy identification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Bias\u003c\/strong\u003e: Designed to provide clear and detailed audio recordings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Extra II cassette tape improved upon its predecessors by offering a simplified user-write label and a more streamlined design. The transition from the CR-E II to Chromdioxid Extra II marked a significant evolution in BASF's cassette design, preparing the stage for future innovations in cassette technology .\u003c\/p\u003e","brand":"BASF","offers":[{"title":"100","offer_id":47148366496063,"sku":null,"price":14.17,"currency_code":"USD","in_stock":true},{"title":"90","offer_id":46553849594175,"sku":null,"price":13.08,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47148366528831,"sku":null,"price":11.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/CE-II-1989-1990-F_c068acfa-e4bd-4854-9089-357f57c08f46.jpg?v=1717038443"},{"product_id":"basf-chrome-super-ii-1991-1993","title":"BASF Chrome Super II Type II - 1991-1993","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Super II (1991-1993) is a high-quality, blank audio cassette tape designed for professional and enthusiast use. Manufactured by BASF, a renowned German chemical company, this cassette tape is known for its superior performance and durability. The Chrome Super II is a Type II cassette, utilizing chromium dioxide (chrome) for enhanced audio quality and low noise levels.\u003c\/p\u003e\n\n\u003ch2\u003eCassette 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\u003eEQ\u003c\/strong\u003e: 70 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode\u003c\/strong\u003e: 4009993015769\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Sensitivity\u003c\/strong\u003e: -1.8 dB (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD @ Dolby Level\u003c\/strong\u003e: 2.8% (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL400(1%)\u003c\/strong\u003e: -6.3 dB (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL400(3%)\u003c\/strong\u003e: +0.5 dB (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOL1k(3%)\u003c\/strong\u003e: -1.3 dB (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOL10k\u003c\/strong\u003e: -7.2 dB (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -56.2 dB, -61.6 dB(A) (1993 model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: 62.1 dB (1993 model)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Chrome Tape\u003c\/strong\u003e: Utilizes chromium dioxide for superior audio quality and low noise levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Hiss Levels\u003c\/strong\u003e: Ensures clear and crisp audio reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: Designed for long-lasting performance and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Case and J-Card\u003c\/strong\u003e: Comes with a clear case and J-card for easy storage and identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Super II (1991-1993) builds upon the success of earlier BASF Chrome tapes by offering improved dynamic range and reduced bias noise. The 1993 model specifically shows enhancements in THD and MOL400 specifications, making it a reliable choice for high-fidelity audio applications.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":46553908281663,"sku":null,"price":17.68,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":47148406571327,"sku":null,"price":16.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/CS-II-1991-1993-F_7425435f-5c3b-4b09-9823-c2e585a6d5cd.jpg?v=1717038473"},{"product_id":"basf-professional-i-1976-1978-us","title":"BASF Professional I Type I - 1976-1978 US","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Professional I cassette tape is a high-quality, blank audio cassette designed for professional recording applications. Manufactured between 1976 and 1978, this tape is known for its mechanical stability and clean performance in high-speed duplicator equipment. It is a ferric oxide-based tape, which provides reliable and consistent audio quality.\u003c\/p\u003e\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Ferric oxide-based\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias\u003c\/strong\u003e: Normal bias\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqualization\u003c\/strong\u003e: 120 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e: Measured at 315 Hz and 10 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemanence\u003c\/strong\u003e: Varies from around 1100 G for basic ferric tapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Stability\u003c\/strong\u003e: Designed to run cleanly through high-speed duplicator equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerric Oxide Formulation\u003c\/strong\u003e: Provides reliable and consistent audio quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal Bias\u003c\/strong\u003e: Optimized for standard recording equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 ?s Equalization\u003c\/strong\u003e: Suitable for most professional recording setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Professional I cassette tape builds upon the advancements in magnetic tape technology from the 1930s, where BASF played a significant role in developing magnetic audio tapes . This tape maintains the mechanical stability and clean performance of its predecessors while adhering to standard professional recording specifications.\u003c\/p\u003e\n\u003cp\u003eFor collectors and enthusiasts, the BASF Professional I cassette tape offers a piece of audio history with its reliable performance and technical specifications. It is recommended for those seeking a high-quality, blank cassette tape for professional use or historical preservation.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":47122001756479,"sku":null,"price":14.82,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":47122001789247,"sku":null,"price":13.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/Professional-I-1976-1978-US-F_b7d6fa5c-9437-4855-a377-c4be2989d159.jpg?v=1717038509"},{"product_id":"basf-professional-iii-1976-1978-us","title":"BASF Professional III (1976-1978 US) Cassette Tape","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Professional III (1976-1978 US) is a high-quality, blank audio cassette tape designed for professional use. 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The relative sensitivity and THD at Dolby level also see notable reductions, indicating better overall performance and reduced distortion. 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Cassette bundle Technical Specifications --\u003e\n  \u003csection id=\"specifications\"\u003e\n    \u003ch2\u003eBASF 6 Professional I + Storage Box Bundle Technical Specifications\u003c\/h2\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eBASF Professional I (IEC Type I)\u003c\/dt\u003e\n      \u003cdd\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e Ferric oxide-based\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBias:\u003c\/strong\u003e Normal (100%)\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 120 µs\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSaturation Remanence:\u003c\/strong\u003e ≈ 1 100 Gauss\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRelative Sensitivity:\u003c\/strong\u003e +0.2 dB\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eTHD @ Dolby Level:\u003c\/strong\u003e 0.52 %\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eDynamic Range:\u003c\/strong\u003e 56.6 dB\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBias Noise:\u003c\/strong\u003e –50.6 dB(A)\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e: 90 minutes \u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/dd\u003e\n      \u003cdt\u003eStorage Box\u003c\/dt\u003e\n      \u003cdd\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Impact-resistant plastic\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Up to 40 cassette tapes\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Protective, stackable archival storage\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/section\u003e\n\n\n  ","brand":"BASF","offers":[{"title":"90","offer_id":47185554964799,"sku":null,"price":109.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/BASF-Music-Box-6-Professional-I-90-Tapes-Storage-Box-1982-1984-US-Ultra-Ferric-1030.jpg?v=1717115138"},{"product_id":"basf-professional-i-ii-iii-collectors-set","title":"BASF Professional I-II-III Cassette Tape Collectors' Set","description":"\u003ch1\u003eBASF Professional I-II-III Cassette Tape Collectors' Set\u003c\/h1\u003e\n\n  \u003c!-- 1. Cassette bundle description --\u003e\n  \u003csection id=\"description\"\u003e\n    \u003ch2\u003eBASF Professional I-II-III Cassette Bundle Description\u003c\/h2\u003e\n    \u003cp\u003e\n      The \u003cstrong\u003eBASF Professional I-II-III Collectors Set\u003c\/strong\u003e comprises three 90-minute blank tape media—Professional I, Professional II, and Professional III—each engineered for professional recording and archival applications. Professional I uses a pure ferric-oxide (IEC I) formulation; Professional II employs a single-layer ferricobalt “pseudochrome” (IEC II) design; and Professional III features a dual-layer ferrichrome (IEC III) coating. All three variants deliver stable mechanical performance and consistent frequency response suitable for data backup and high-speed duplicator use.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- 2. Cassette bundle Technical Specifications --\u003e\n  \u003csection id=\"specifications\"\u003e\n    \u003ch2\u003eBASF Professional I-II-III Cassette Bundle Technical Specifications\u003c\/h2\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eProfessional I (IEC I)\u003c\/dt\u003e\n      \u003cdd\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e Ferric oxide-based\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBias:\u003c\/strong\u003e Normal (100%)\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 120 µs\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSaturation Remanence:\u003c\/strong\u003e ≈ 1 100 Gauss\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRecording Time:\u003c\/strong\u003e 90 min\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/dd\u003e\n      \u003cdt\u003eProfessional II (IEC II)\u003c\/dt\u003e\n      \u003cdd\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e Ferricobalt pseudochrome\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBias:\u003c\/strong\u003e High (150% of normal)\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 70 µs\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.81 mm × 131 m\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRecording Time:\u003c\/strong\u003e 90 min\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/dd\u003e\n      \u003cdt\u003eProfessional III (IEC III)\u003c\/dt\u003e\n      \u003cdd\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eTape Type:\u003c\/strong\u003e Dual-layer ferrichrome (bottom ferric oxide, top chrome)\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBias:\u003c\/strong\u003e Compatible with normal and high bias\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEqualization:\u003c\/strong\u003e 70 µs \u0026amp; 120 µs\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eConstruction Note:\u003c\/strong\u003e Bottom ferric-oxide layer enhances low-frequency response\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eRecording Time:\u003c\/strong\u003e 90 min\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/section\u003e\n\n  ","brand":"BASF","offers":[{"title":"Default Title","offer_id":47719160086847,"sku":null,"price":49.63,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4016s_b37fd29d-7875-4ccd-9ccb-10853b6f758a.jpg?v=1717038514"},{"product_id":"basf-chrome-maxima-ii-1990-eu","title":"BASF Chrome Maxima II Type II - 1990 EU","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Maxima II (1990 EU) is a high-quality, blank audio cassette tape designed for professional and enthusiast use. Manufactured by BASF, a renowned German chemical company, this cassette tape is crafted from pure chromium dioxide (Type II) magnetic tape, known for its low hiss and excellent sound reproduction.\u003c\/p\u003e\n\n\u003ch2\u003eCassette 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\u003eLength\u003c\/strong\u003e: C90 (45 minutes per side)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ\u003c\/strong\u003e: 70 µs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode\u003c\/strong\u003e: 4009993010795\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Chrome Tape\u003c\/strong\u003e: Utilizes chromium dioxide for low hiss and high sound fidelity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Case and J-card\u003c\/strong\u003e: Supplied with a clear case and J-card for protection and organization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Wrappers\u003c\/strong\u003e: Freshly wrapped tapes with no scratches, ensuring optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Chrome Maxima II represents a significant improvement over earlier generations of blank cassette tapes. 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It is part of the BASF line of Type I cassettes, known for their reliability and clear audio reproduction. 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This cassette tape is engineered to provide clear and reliable audio performance, making it suitable for a wide range of applications including music recording, voice-overs, and other audio projects.\u003c\/p\u003e\n\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: IEC Type I\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEquilization Time Constant\u003c\/strong\u003e: 120 ?s\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Material\u003c\/strong\u003e: Ferric oxide\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRecording Frequency Response\u003c\/strong\u003e: Optimized for clear and balanced audio reproduction\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlayback Compatibility\u003c\/strong\u003e: Compatible with standard cassette players\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Magnetic Material\u003c\/strong\u003e: Utilizes ferric oxide for optimal audio reproduction.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStandard Compatibility\u003c\/strong\u003e: Designed to work seamlessly with standard cassette players.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBalanced Frequency Response\u003c\/strong\u003e: Ensures clear and balanced audio across the frequency spectrum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF Ferro Extra I builds upon the success of its predecessors by offering improved noise reduction and enhanced audio clarity. Compared to earlier models, this cassette tape features a more refined magnetic formulation and optimized equilization settings, resulting in a more polished and professional sound quality. These advancements make it an excellent choice for those seeking reliable and high-quality audio cassettes.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":48061742285119,"sku":null,"price":12.64,"currency_code":"USD","in_stock":false},{"title":"60","offer_id":48061742317887,"sku":null,"price":10.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4185s_8a624acb-698b-4afb-a592-f80dcf4067aa.jpg?v=1717038483"},{"product_id":"basf-lh-maxima-i-1985-1987","title":"BASF LH Maxima I Type I - 1985-1987","description":"\u003ch2\u003eCassette Description\u003c\/h2\u003e\n\u003cp\u003eThe BASF LH Maxima I cassette tape is a high-quality, Type I audio cassette designed for professional use. Manufactured by BASF, a renowned German chemical company, this tape is known for its excellent sound quality and durability. The LH Maxima I is part of the LH series, which has been a staple in the audio industry since the 1970s.\u003c\/p\u003e\n\n\u003ch2\u003eCassette Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Type I\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: Optimized for a wide range of acoustical frequencies\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDynamic Range\u003c\/strong\u003e: 54.0 dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBias Noise\u003c\/strong\u003e: -48.3 dB, -51.4 dB(A)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTHD @ Dolby Level\u003c\/strong\u003e: 1.1%\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMOL400(THD=1%)\u003c\/strong\u003e: -0.5 dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMOL400(THD=3%)\u003c\/strong\u003e: +2.6 dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMOL1k(3%)\u003c\/strong\u003e: +1.8 dB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSOL10k\u003c\/strong\u003e: -2.2 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eHigh-quality, ferric-based tape\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eOptimized for professional audio applications\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eExcellent dynamic range and low bias noise\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSuitable for a wide range of recording levels\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation\u003c\/h2\u003e\n\u003cp\u003eThe BASF LH Maxima I cassette tape represents an improvement over its predecessors in the LH series, offering enhanced sound quality and durability. It is designed to meet the stringent standards of professional audio recording, making it a reliable choice for musicians, producers, and audio engineers.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90","offer_id":48251257323839,"sku":null,"price":51.8,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":48251257356607,"sku":null,"price":46.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_4295s_95d98fb7-0c2b-4f90-bc8b-5faa49d292a7.jpg?v=1717038498"},{"product_id":"basf-ferro-extra-i-1993-1994","title":"BASF Ferro Extra I Type I - 1993-1994","description":"\u003ch2\u003eCassette Description:\u003c\/h2\u003e\n\u003cp\u003eThe BASF Ferro Extra I (1993-1994) cassette tape is a high-quality, blank audio cassette designed for professional and personal use. Manufactured by BASF, a renowned German chemical company, this cassette is known for its reliable performance and durability. It is ideal for recording and playing back audio content, making it a versatile choice for various applications.\u003c\/p\u003e\n\n\u003ch2\u003eCassette Technical Specifications:\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e IEC Type I\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Tape:\u003c\/strong\u003e Ferric oxide formulation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEqualization Time Constant:\u003c\/strong\u003e 120 ?s\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBias Level:\u003c\/strong\u003e Standard negative bias\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Standard compact cassette dimensions (60\/90 minutes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCassette Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Tape Formulation:\u003c\/strong\u003e Ferric oxide, known for its good balance of high and low-frequency response.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEqualization Time Constant:\u003c\/strong\u003e Optimized for clear treble response and minimal distortion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBias Level:\u003c\/strong\u003e Standard negative bias for easy recording and playback compatibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Standard compact cassette dimensions, suitable for most cassette decks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImprovements over Previous Generation:\u003c\/h2\u003e\n\u003cp\u003eThe BASF Ferro Extra I cassette tape builds upon the success of its predecessors by maintaining a high level of quality and consistency. The ferric oxide formulation ensures that the tape handles both bass-heavy and treble-rich music with clarity, making it a reliable choice for a wide range of audio applications. The standard negative bias and optimized equalization time constant further enhance the tape's performance, ensuring minimal distortion and clear sound reproduction.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"90 (Slim Case)","offer_id":50987387027775,"sku":null,"price":12.57,"currency_code":"USD","in_stock":true},{"title":"60 (Slim Case)","offer_id":49323929338175,"sku":null,"price":10.36,"currency_code":"USD","in_stock":true},{"title":"60","offer_id":49323929370943,"sku":null,"price":10.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/IMG_5426s.jpg?v=1720380184"},{"product_id":"basf-ferro-extra-i-type-i-blank-cassette-tape-1995-1997","title":"BASF Ferro Extra I Type I - 1995-1997 DE","description":"\u003ch2\u003eCassette Description:\u003c\/h2\u003e\n\u003cp\u003eThe BASF Ferro Extra I (1995-1997) cassette tape is a high-quality, blank audio cassette designed for professional and personal use. 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The ferric oxide formulation ensures that the tape handles both bass-heavy and treble-rich music with clarity, making it a reliable choice for a wide range of audio applications. The standard negative bias and optimized equalization time constant further enhance the tape's performance, ensuring minimal distortion and clear sound reproduction.\u003c\/p\u003e","brand":"BASF","offers":[{"title":"60","offer_id":53099614339391,"sku":null,"price":12.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/2261\/9967\/files\/comingsoonJPG.jpg?v=1728595418"}],"url":"https:\/\/ultraferric.com\/collections\/basf-cassette-tapes.oembed","provider":"Ultra Ferric","version":"1.0","type":"link"}