Maintained! A model commemorating the 100th anniversary of Yamaha's founding. It is a wonderful power amplifier unique to the bubble period, where you can feel the luxury everywhere. The low range smoothly pushes out into the detailed mid-high range with good cuts and high resolution. As for the exterior, there is a scratch on the front. Serial E017907PR (Kimiya Miura)
Maintenance information: 2022.11.16 Maintained (RCA terminal installation insulation spacer replacement. SP terminal cleaning lubrication. Output relay and semi-fixed resistor exchange. The meter drive module was disassembled, solder corrected, and then reassembled. Other solder fixes. Tighten more screws. Bias and offset output audio check. *The negative speaker output side is not GND. Please do not share or ground. (Balanced configuration with Class AB amplifiers and Class A amplifiers)
Accessories: There are no accessories
Main specifications: 250W+250W (8Ω) hyperbolic Class A amplifier adopted W475 × H220 × D543 mm 43.0 kg
Yamaha's 100th anniversary model It is a stunning power amplifier unique to the bubble period where luxury is felt everywhere. A low range that extrudes smoothly into a fine-grained mid-high range with good cut and high resolution. It produces a beautiful sound quality that matches the appearance. The appearance is dull on the top plate, etc., and thin thread can be seen. Serial E016457PR (Satoshi Yonejima)
Maintenance Information: 2021.4.30 Operation confirmed
Accessories: Instruction manual
Main specifications: 250W+250W (8Ω) Hyperbolic A class amplifier adopted W475×H220 × D543mm 43.0kg