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TDK AD

Magnetic Particle: Linear Ferric

Coercivity: 380 Oe
Remanence: 1650 Gauss
Squareness Ratio: 0.84

Operating Bias: 0.0dB
MOL 315Hz: +5.0dB
MOL 10kHz: -5.0dB
Sensitivity at 315Hz: +0.5dB
Sensitivity at 3.15kHz: +1.3dB
Sensitivity at 10kHz: +2.0dB
Sensitivity at 16kHz: +2.0dB
Bias Noise: -56.5dB

TDK AD was a reasonably good type I cassette. It evolved from TDK SD and appreared first around 1977.


Japan

US

Europe

77-78

 TDK AD 1977 TDK AD 1977

79-81

 TDK AD 1979 TDK AD 1979

82-84

 TDK AD 1982 TDK AD 1982

84-85

 TDK AD 1984

84-87

 TDK AD 1984 TDK AD 1986 TDK AD 1986

87-88

 TDK AD 1987

88-89

 TDK AD 1989 TDK AD 1988 TDK AD 1988

90-91

 TDK AD 1990 TDK AD 1990 TDK AD 1990

91-92

 TDK AD 1990

92-95

 TDK AD 1992 TDK AD 1992

94-97

 TDK AD 1994 TDK AD 1995

97-01

 TDK AD 1997

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