The TDK D (1982-1984 US) is a type I audio cassette tape designed for general use. It features a grained ferric oxide magnetic particle formulation, which provides a balance between performance and affordability. The tape is available in various lengths, ranging from 30 to 180 minutes, making it versatile for different recording needs.
TDK D Technical Specifications
Magnetic Particle: Grained Ferric
Coercivity: 380 Oe
Remanence: 1450 Gauss
Squareness Ratio: 0.81
Operating Bias: -0.5 dB
MOL 315Hz: +3.0 dB
MOL 10kHz: -8.0 dB
Sensitivity at 315Hz: -0.5 dB
Sensitivity at 3.15kHz: -0.5 dB
Sensitivity at 10kHz: -0.3 dB
Sensitivity at 16kHz: -0.0 dB
Bias Noise: -55.0 dB
TDK D Key Features
Versatile Lengths: Available in lengths from 30 to 180 minutes.
Grained Ferric Formulation: Provides a balance between performance and cost.
Stable Playback: Known for its minimal noise and stable playback characteristics.
Improvements Over Previous Generation
The TDK D cassette tape builds upon the performance of its predecessors, offering slightly improved MOL and SOL values, as well as reduced bias noise. This makes it a reliable choice for those seeking a basic yet functional cassette tape.
