The Nakamichi 670ZX is a legendary cassette deck from the golden age of hi-fi, launched in 1980 as a premium model. Built with Nakamichi’s discrete head design, Auto Azimuth Alignment, and Dolby Noise Reduction, it delivers clear, detailed playback and rich, dynamic recordings.
All major functions—transport controls, outputs, meters, and illumination—have been tested and work properly. The sound remains true to the famous “Nakamichi character” cherished by audiophiles worldwide.
A true collector’s piece and a timeless example of Nakamichi’s craftsmanship.
Brand: Nakamichi
Model: 670ZX
Type: Discrete-Head Cassette Deck (Stereo)
Release: Around 1980s
Playback: Commercial music tapes play clearly with good sound (subjective)
Recording: Works on store-bought tapes with Dolby NR; minimal change on source/monitor switch; detailed, information-rich sound
Auto Azimuth: Auto azimuth alignment operates on each tape position (results may vary by tape quality; no guarantee)
Transport/Controls: FF, REW, Pause, Program Search, Memory, Counter all working
Outputs: LINE OUT & Headphone output normal; no scratchy noise on controls
Meters/Lamps: Peak level meters and all panel lamps operate properly
Timer: Timer switch works for both playback and recording
Contents: Main unit, English user manual, capacitor parts set
Made in: Japan
Main Maintained Work
Replaced capstan belt, cam drive belt, and shutoff/counter belt with new substitutes
Replaced all orange-cap PP capacitors with new equivalents
Replaced several capacitors on the auto-azimuth and logic boards
Replaced lamps for peak level meters (x2), counter, REC button indicator, and cassette holder
Adjusted playback azimuth and playback speed
Demagnetized head and cleaned pinch roller
Current Operation Status
Playback on commercial music tapes produces clear, high-quality sound (subjective evaluation).
Recording on commercial tapes (Dolby, all tape types) is functional, with minimal change between source and monitor, delivering detailed, information-rich sound typical of Nakamichi/Sony quality.
Auto Azimuth Alignment operates on all tape positions (performance may vary depending on tape quality; no guarantee).
Transport functions including Fast Forward, Rewind, Pause, Program Search, Memory, and Counter all work correctly.
LINE OUT and headphone outputs are clean with no noise or crackling.
Peak level meters respond properly.
All indicator lamps function normally.
Timer switch works for both playback and recording.
This product is designed for use with Japan’s electrical standard: AC100V, 50/60Hz. If you plan to use it outside Japan, please check the voltage in your country and use an appropriate step-up/down transformer if necessary.
Condition: refurbished