TDK AR

Magnetic Particle: NP Avylin

Coercivity: 380 Oe
Remanence: 1800 Gauss
Squareness Ratio: 0.86

Operating Bias: 0.0dB
MOL 315Hz: +6.5dB
MOL 10kHz: -6.0dB
Sensitivity at 315Hz: +1.0dB
Sensitivity at 3.15kHz: +1.0dB
Sensitivity at 10kHz: +1.0dB
Sensitivity at 16kHz: +1.0dB
Bias Noise: -56.0dB

TDK AR was a top type I cassette. Known for good bass performance.