Vacuum tube preamp and buffer amplifier. You can enjoy the sound quality of the tube as a buffer amplifier by using or passing the volume control function depending on the device in the previous stage. Serial T11239 (Tamura Eiji)
Maintenance information: 2024.4.11 operation confirmed
Accessories: copy of instruction manual, AC adapter
Main specifications: High-end vacuum tube buffer amplifier and preamplifier (dip switch switching type) input impedance 1 MΩ (direct vacuum tube buffer) 100 kΩ (preamp volume control) W67 x H28 x D 175 mm weight 237 g