Exceedingly rare VFET amplifier. Japan only manufacture by the renown -- Victor Company of Japan. Known as Victor in Japan, you may know the manufacturer as the exported brand JVC.
The amplifer uses 4 pairs of NEC Vertical Fet Devices. Manufacture - 1975- 1977.
Japan only domestic market amplifier - therefore 100 VOLT Power supply is required. You will require a quality isolated 240v to 100v transformer. DO NOT use 120v or 110v supply to operate this amplifier. This amplifier is in original condition including the speaker terminals. You will require bare speak