It's been maintained! A premain amplifier that can operate 4 channels simultaneously. Mixing functions and channel settings for 3 microphone inputs, and the volume of each channel can be controlled individually. Overall, I see dullness and small scratches over time (Fujisawa Koshi)
Maintenance Information: 2022.5.21 Maintained (Panel Switch Disassembly Contact Polishing Contact Cleaner Fill. Replaced because the panel lamp ran out. (Input/output pin jack polish)
Accessories: None
Main specifications: 4ch premain amplifier pre/main separable 2CH operation 100W × 2 (20Hz to 20kHz, 8Ω) 4CH operation 50W × 4 (20Hz to 20kHz, 8Ω) size W474 × H150 × D370mm Weight 15.5kg