Sony TC-K81

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General

• Manufacturer: Sony
• Model: TC-K 81
• Type: Cassette Tape Deck
• Years of manufacture: 1980 - 1982
• Made in: Japan
• Original price approx.: 500 US-$, 1'400 DM

Technical data

• Coincidence fluctuations: 0.04% (WRMS).
• Band types: Type I, II, III, IV
• Frequency response:
• Normal: 20 - 17'000 Hz (-20dB), 30 - 15'000 Hz (DIN).

Cro2: 20 - 19'000 Hz (-20dB), 30 - 18'000 Hz (DIN) FeCr: 20 - 20'000 Hz (-20dB), 30 - 18'000 Hz (DIN) Metal: 20 - 20'000 Hz (-20dB), 30 - 18'000 Hz (DIN)

• Distortion factor: 0.8%

Signal-to-noise ratio: (without Dolby) 58 dB Type I, 60 dB Type II, III, IV

• Dolby: B
• MPX filter: yes
• Fader: yes

Special Features

• Closed Loop Dual Capstan Drive
• Bias control, Rec-Level Calibration
• Zero-point search function with Auto-Play
• Two-color Peak Level Display with Peak Hold
• Line-Out and Headphone Output: adjustable