TDK SA (1979-1981 JP) Cassette Tape

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TDK SA Cassette Description

The 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.

TDK SA Technical Specifications

• Magnetic Particle: Super Avylin
• Coercivity: 650 Oe
• Remanence: 1650 Gauss
• Squareness Ratio: 0.85
• Operating Bias: 0.0 dB
• MOL 315Hz: +4.0 dB
• MOL 10kHz: -7.5 dB
• Sensitivity at 315Hz: 0.0 dB
• Sensitivity at 3.15kHz: 0.0 dB
• Sensitivity at 10kHz: 0.0 dB
• Sensitivity at 16kHz: 0.0 dB
• Bias Noise: -60.5 dB

TDK SA Key Features

1. Magnetic Properties: The Super Avylin particle formulation ensures high-quality audio reproduction.
2. Compatibility: Designed to work seamlessly with standard cassette decks, it supports both Type I and Type II equalization settings.
3. Dynamic Range: Offers a dynamic range of 60-65 dB, suitable for a wide range of audio applications.
4. Signal-to-Noise Ratio: Provides a low bias noise level of -60.5 dB, ensuring clear and distortion-free recordings.

Improvements Over Previous Generation

The 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.