Nakamichi 680 specifications

Brand: Nakamichi

• Type: 3-head, single compact cassette deck
• Track System: 4-track, 2-channel stereo
• Tape speed: 4.75, 2.37 cm/s
• Heads: 1 x record, 1 x playback, 1 x erase
• Motor:
• Tape Type: type I, CrO2, Metal
• Noise Reduction: B
• Headroom Extension:
• Wow and Flutter: 0.04%
• Distortion: 0.8%
• Frequency Response: 20Hz to 22kHz  (Metal)
• Signal to Noise Ratio: 66dB  (dolby B)
• Analogue Inputs: 50mV (line)
• Analogue Outputs: 1V (line)
• Accessories: optional remote control
• Dimensions: 482 x 143 x 340 mm
• Weight: 9.0 kg
• Year: 1979
• Price: USD $1350 (1981)