Internal parts were thoroughly reviewed in 2024/5, and maintenance was carried out with attention to detail! A power amplifier with a separate name for the main part of the SQ38F series. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. The exterior has scratches etc. on the top of the cover, and there is a feeling of use (Matsumoto Tsuyoshi)
Maintenance information: 2024.8.2 maintenance (first stage vacuum tube replacement) 2024.5.29 maintenance (vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, semi-fixed VR, fuse holder replacement. SW/VOL disassembly contacts are re-polished, and grease is applied to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (8Ω load 1kHz 30W/30W), input/output waveform confirmation, sound output check performed)
Accessories: copy of instruction manual
Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg