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KT88シングルJapan

Manufacture:三栄無線
Price: JPY 54,364 Sold Out
25-47957-21889-00
Japan
Arrival: 2025-11-26 20:00:31
Self-biased KT88 single tube power amplifier The beautiful mid-high range sound unique to single amplifiers is attractive. It's a relatively efficient speaker and it seems to work well together. There are threads and small scratches on the exterior (Yonejima Satoshi) Maintenance information: 2025.11.26 Maintained (The output vacuum tube KT88 replaced the LRCH minute, and the plate current was set to 60 mA. Output stage cathode resistor and cathode bypass electrolytic capacitor replacement. Output stage grid leak resistor replacement and coupling capacitor replacement. Power supply ripple filter addition procedure. Operation voltage check and output terminal load test performed, overall frequency characteristic check, good sound output test, undistorted output) Accessories: No accessories Main specifications: gain 18dB input 350mV/2.8V 1W output (8Ω) W185 × D400 × H185 mm 7 kg
　　
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