The 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.
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
Ferricobalt Formulation: Optimized for high-bias recording and 70 μs replay equalization.
High Sensitivity: Consistent sensitivity across various frequency ranges.
Wide Dynamic Range: Capable of capturing a wide range of audio frequencies.
Improvements Over Previous Generation
The 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.