Maintained! It was the highest grade model in the AU-D series at the time. Due to the extensive power supply unit and the diamond actuation circuit that Sansui was proud of at the time, it has strong extrusion and a powerful sound. In contrast to modern amplifiers, the sound quality is full of energy with an emphasis on the mid and low frequencies. Appearance, dullness, small scratches, and paint deterioration can be seen (Hitoshi Kobayashi)
Maintenance information: 2022.11.15 Maintained (chemicon, transistor, heat dissipation sheet, SP terminal, RCA terminal, semi-fixed resistor, relay, resistor, diode, fuse replaced. VR contact cleaning, SW disassembly cleaning. Resolder substrates and remove flux. (Semi-fixed VR adjustment, in-flight cleaning, waveform check, input/output check, various function checks, F special check, sound output check OK)
Accessories: copy of instruction manual
Main specifications: 100W+100W (8Ω) Phono (MM/MC) W430 × H168 × D428 mm 20.8 kg