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GX-635DJapan

Manufacture:AKAI
Original price: JPY 185,000
Price: JPY 180,000 Sold Out
21-33154-20957-00
Japan 1978 made
Arrival: 2021-12-05 20:15:34
Maintenance has been completed! 4-track open reel deck with Akai reverse The crunchy electronic control logic works comfortably. You can record with thick, clear sound quality. When the power is turned on, the light of the meter lamp shines. Appearance has small scratches and dullness. Serial 40212-00533 (Satoshi Yoneshima) Maintenance information: 2021.12.5 Maintained (cleaning and grease up of pinch roller drive mechanism, pinch roller shaft cleaning and oil application. Capstan motor bearing hard ball replacement and grease up treatment, pitch control switching relay contact cleaning treatment and tape speed adjustment, tension arm mechanical disassembly check and oil on rotating shaft Application, tape sensing mechanism check (auto reverse operation check normal) Check reel motor driving force check at PLAY, contact cleaning treatment by detachment and disassembly of multiple switches for switching. Dirt removal and cleaning procedures for playback equalizers, recording amplifiers, and LINE amplifier substrates. Replaced the front panel REC mode switch. LINE amplifier, MIC amplifier part Replacement with transistor LowNoise and R11 constant change (Line-TRX4, MIC-TRX2, Rec-x1)) coupling of regenerative equalizer amplifier circuit Replacing the coupling capacitor in and. Recording amplifier coupling and decoupling capacitor replacement+22V line power supply control unit transistor replacement, bias oscillation circuit part electrolytic capacitor replacement, head cleaning and azimuth angle adjustment Check and adjust playback level, recording level, recording frequency characteristics. Color addition procedure because the red line of the right level meter scale has decolorization. MIC, LINE input volume cleaning, OUTPUT volume, pitch control volume cleaning. Capstan motor servo circuit signal processing transistor replacement, and electrolytic capacitor replacement, recording and playback sensory test by music source is good. (Other: residual noise - 55dB, recording and playback: W&F (WTD) 0.05%, Flutter (0.08%) However, it depends on the tape used) Accessories: clamper, cover Main specifications: 4 tracks 2 channels reversible tape speed 19/9.5 cm/sec Frequency characteristics 30 ~ 25,000 Hz tape selector 2-stage switching (wide range/low noise) W440 × H483 × D256mm 21kg　
　　
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