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GX-747dbxJapan

Manufacture:AKAI
Original price: JPY 230,000
Price: JPY 416,364 Sold Out
22-37141-50049-00
Japan 1982 made
Shop: Osu shop
Arrival: 2022-12-31 17:14:49
Restored product that replaced 28 internal deteriorated electrolytic capacitors, etc.! It is a model equipped with DBX Type1 on the famous GX-747. It is also equipped with an auto reverse function that allows you to specify the reverse position in seconds, making it one that will go down in history in terms of both functionality and sound quality. The core and taut tone have an excellent balance. There are small scratches and dullness on the exterior ※It is currently set to 60 Hz, so when using it in the 50 Hz region, please switch the internal cycle change slide switch to the 50 Hz side before use (Sasaki Shota) Maintenance information: 2022.12.31 Maintained (pinch roller drive mechanical cleaning and grease up, tension arm partial disassembly cleaning and oil application. Auto reverse contact part contact resistance measurement repair. Regeneration equalizer unit repair (6 resistors replaced) regeneration characteristics check adjustment. Recording amplifier condenser and relay replacement, multiple switch detachments, disassembly and repair. Playback equalizer amplifier, Line amplifier, MIC input amplifier, recording equalizer amplifier section electrolytic capacitor replacement (28 pieces), print pattern damage correction treatment. Additional soldering treatment. Head tilt check and adjust playback level and recording level (bias trap, recording equalizer adjustment, recording bias adjustment). This unit is adjusted based on 200 nwb/m. When the level meter is displayed at 0 VU, the maximum front output volume is -5 dB (approx. 440 mV) as LINE output. DBX circuit section comprehensive adjustment and board cleaning procedure. Excellent recording and playback operation and sensory checks using the music source. I have confirmed that the auto reverse works properly. LINE volume cleaning, pitch control VR cleaning, tape spade adjustment, semi-fixed VR replacement adjustment. Reference value Self-Recording/Playback W&F (WTD): 0.035% (However, 19cm/s, depends on the tape used. Residual noise during blank tape playback: -53 dB (linear measurement, however) is excellent. Primary current during PLAY: 0.6 A (approx. 60 W power consumption) checked) Accessories: manual copy Main specifications: 4 track tape speed 19 cm/sec, 9.5 cm/sec dimensions W440 x H493 x D256 mm weight 23.2 kg
　　
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