Maintenance has been completed, such as replacing 5 deteriorated transistors, capacitors, and varistor diodes. An attractive power amplifier with natural sound quality with few Yamaha habits. It also has driving power, and is recommended as a separate introductory aircraft. It also works great with Yamaha speakers. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.20 Maintained (replacement of 5 deteriorated transistors, capacitors, and varistor diodes in the power supply circuit and in the protection circuit. Corrected soldering in the left and right main amplifier circuits. Switch type disassembly contact polishing)
Accessories: none
Main specifications: 70W+70W, 140W at BTL, DC amplifier configuration W200 × H193 × D407 mm 16.2 kg