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Yamaha KX-580

Stereo Tape Cassette Recorder (1994-97)

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Yamaha KX-580


Type: 2-head, single compact cassette deck

Track System: 4-track, 2-channel stereo

Tape Speed: 4.76 cm/s

Heads: 1 x record/playback, 1 x erase

Motor: 1 x reel, 1 x capstan

Tape Type: type I, CrO2, Metal

Noise Reduction: B, C, S, HX Pro

Frequency Response: 20Hz to 20kHz  (Metal tape)

Signal to Noise Ratio: 80dB  (dolby S)

Wow and Flutter: 0.05%

Total Harmonic Distortion: 0.8%

Input: 100mV (line)

Output: 0.57V (line)

Dimensions: 435 x 126 x 277mm

Weight: 4.6kg

Year: 1994


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HowardEngland's picture

re: KX-580

Yep. Got spot-on with speed pot - though adjusting it feels like stirring jelly. While inside, I glued a pair of leds inside the cassette flap so I can see my old tapes tangling along. Borrowed power from plus minus 7.5 V at rear of board (always on) with 1k in series. There may well be a more convenient (switched) tap-in if you're prepared to explore.
Music really sounds better on-pitch.

HowardEngland's picture

re: KX-580

Outstandingly helpful and functional website!!! My KX-580 sat on a shelf too long. Mechanically excellent, and response is so good, it reproduces the 19kHz Zenith pilot tone on tapes made years ago from FM. However, a spectrum on that confirmed the deck to be running slow, one percent, relative to the original Trio/Kenwood recorder. That's just enough to make music sound slightly 'off'. Now with all due care, I'm heading for that secret pot on the back of the motor! Very grateful to the guy who uploaded the pdf.

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