6 month warranty. Oldchen's 300b pre-main amp. It is also equipped with a Bluetooth input function, so you can easily enjoy 300B sound. The thickness of the middle range and the luster of the vocals are great! The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.4 operation confirmed
Accessories: Bluetooth antenna, instruction manual, power cord
Main specifications: vacuum tube 300B x 2 5U4G x 1 6SN7GT x 2 W370 x H220 x D240 mm 15.5 kg (actual measurement)