Maintained by the manufacturer! 300B single power amplifier made by Sun Valley. The sound has a small output of 8W+8W, yet feels like 300B in thickness. The sound quality is sharp, which is unique to vacuum tube amplifiers, but since it has a moderately wide range, it sounds well even when listening to genres such as rock. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.6.28 manufacturer maintenance (300B socket drop in recovery, expansion power supply SW, pilot lamp removal, replacement with standard coupling con product, inspection and repair of each terminal solder location (solder removal and re-soldering) Rch 300B A constant voltage circuit was added due to the end of manufacture of standard parts that were defective, and replaced with a 3-terminal IC3052V to restore)
Accessories: power cord
Main specifications: Vacuum tube used, 6BM8 x 2/300B x 2, frequency characteristics, 8 Hz to 30 kHz, double wound choke driver, built-in left and right power delay circuit, constant voltage DC ignition output 8 W+8 W, size W180 x D430 x H220 mm, 11.5 kg