※There is no problem with the current operation, but since it is cheap, it will be handed over as is. Concert Master vacuum tube premain amplifier. This is YAQIN's product for Japan. The space-saving design makes it easy to enjoy vacuum tube sounds. Also, I recommend it to those who are thinking about entering a vacuum tube amplifier. It has an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.8.24 Operation confirmed
Accessories: none
Main specifications: EL-84 (6BQ5 compatible) x 4, 12 AT7 x 2 motorcycle ass W380 x H160 x D290 mm 9.5 kg (actual measurement)