It has been refreshed and maintained with attention to detail, such as replacing 31 capacitors, disassembling and cleaning switches, etc. It is a diamond called Rifu Yamaha FET that shows off its excellent purity and transparency. With this brush-up, the sharpness of standing up and the firmness of the sound have been completely revived, and you can enjoy the Yamaha sound you are aiming for. On the exterior, you can see a feeling of use such as dullness and scratches. Serial 09687 (Takahashi Nobuyuki)
Maintenance information: 2025.5.16 maintained (front operation part push SW disassembly cleaning front operation part board/VOL board indirect point correction volume contact cleaning power supply SW disassembly cleaning/grease up transistor migration occurrence point repair electrolytic capacitor 20% capacity change parts replacement back slide SW disassembly contact cleaning power supply/protection LED board back cushion replacement AC Cable cleaning, RCA terminal/AC plug cleaning, exterior cleaning, idling adjustment, DC balance adjustment, inspection of each part)
Accessories: copy of instruction manual
Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg