Magnetic Particle: Grained Ferric
Coercivity: 380 Oe
Remanence: 1450 Gauss
Squareness Ratio: 0.81
Operating Bias: -0.5dB
MOL 315Hz: +3.0dB
MOL 10kHz: -8.0dB
Sensitivity at 315Hz: -0.5dB
Sensitivity at 3.15kHz: -0.5dB
Sensitivity at 10kHz: -0.3dB
Sensitivity at 16kHz: -0.0dB
Bias Noise: -55.0dB
TDK D was a "work-horse" type I cassette. It was a basic type I that evolved from TDK LN and appreared first around 1972. Even as a basic tape it still offers reasonable performance. It was available in a variety of lenghts ranging from 30 to 180. In Japan starting from 1987 TDK D was sold under TDK AE name.
Japan |
US |
Europe |
|
73-75 |
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75-78 |
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79-81 |
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82-84 |
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84-86 |
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86-87 |
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88-89 |
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90-95 |
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92-97 |
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95-97 |
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97-01 |
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01-03 |
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03-05 |
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To contact us: TDK(at)vintagecassettes.com