Sony TC-K4A Cassette Deck Mde in Jpan Tape Speed: 4.8 cm/s. Heads: 1 x record/playback, 1 x erase. Tape Type: type I, FeCr, CrO2. Noise Reduction: B. Frequency Response: 20Hz to 17kHz (FeCr tape) Signal to Noise Ratio: 63dB (dolby B) Wow and Flutter: 0.06% Total Harmonic Distortion: 1.3% Specification Made in Japan FM Tuner Section Tuning range 87.5 - 108 MHz Intermediate Frequency 10.7 MHz Sensitivity at 46dB Quieting (at 40kHz deviation) 4.0µV (mono), 45µV (stereo) Usable Sensitivity IHF 1.8µV, 10.3dBf 1.6µV (S/N = 26dB, 40kHz deviation) Signal-to-Noise Ratio 69 dB (mono), 64 dB (stereo) Harmonic Distortion at 1kHz 0.2 % (mono), 0.3 % (stereo) IM Distortion 1kHz 0.2 % (mono), 0.3 % (stereo Separation 45dB at 1kHz Frequency Response 40Hz - 12.5kHz +0.5dB,-1dB Selectivity at 300kHz (at 40kHz deviation, S/N = 26dB) 40dB Capture Ratio 1.5dB AM Suppression Ratio 48dB Image Response Ratio 45dB Spurious Response Ratio 70dB Muting Threshold 5µV approx. Output Level 450mV, 15kΩ (40kHz deviation) Antenna Terminals 300Ω balanced, 75Ω unbalanced AM Tuner Section Tuning ranges MW LW 522kHz - 1602kHz 150kHz - 350kHz Intermediate frequency 450kHz