Maintained including volume, switch disassembly and cleaning, 59 deteriorated capacitors, lamps, relays, and resistor replacement! Yamaha's natural sound, which makes you feel refreshed, has been completely revived! The smooth sound that is familiar to the ears is unique to Yamaha in this era. It is possible to switch between Class A and Class B operation with a single switch. There is dullness over time (Daiki Goto)
Maintenance information: 2026.2.24 Maintained (electrolytic capacitor, tantalum capacitor, semi-fixed resistor, switch, microphone terminal, lamp replacement. Each volume is cleaned, and switches are disassembled and cleaned. Cleaning panels, knobs, housings, and terminals. (Other parts will be readjusted and aging tested)
Accessories: copy of the manual
Main specifications: 15W+15W (8Ω/Class A operation) 70W+70W (8Ω/Class B operation) W436 x H144 x D323 mm 15.5 kg