Maintained. 300B single amplifier using all Tamura transformers. It is a configuration that firmly holds the basics of a single amplifier using a rectifier tube. Furthermore, you can use it safely with 300B DC ignition with a regulator (Oikawa Tetsuji)
Maintenance information: 2024.5.21 maintained (2 main volume gang error replacements, CV378/GZ37 deterioration replacement, RCA jack and vacuum tube socket caulking repair*Other operation checked with AC100V (rated output measured at 8W SP: 8Ω))
Accessories: none
Main specifications: used vacuum tube 300B 6SL7/GZ37/5U4G/5X4G output 7W x 2 W430 x D215 x H210 mm 19 kg