late model. McKinn's tubular receiver preamp. The pre-section is such a powerful machine that it received the same evaluation as the C22. Sound characters unique to vintage McKinn, which are thick and have a strong luster, are attractive. You can enjoy the sticky, glossy tone. There are rust spots and scratches on the exterior (Mizusaki Ryo)
Maintenance information: 2021.10.8 maintained (vacuum tube 6u8 · 6 tubes added · vacuum tube 6AB4 added · vacuum tube 6CS6 added · vacuum tube 12AX7 replacement · vacuum tube 6DS4 replacement · power supply circuit modification and 12 μF electrolytic capacitor added · 2 electrolytic capacitors 1 μF deterioration replacement · re-adjusted with IF/RF/MPX AC100V · vacuum tube socket and RCA jack repair. *Other operation checks have been performed (OUT LEVEL on the top surface is set at 12:00 to prevent sound leakage when volume is minimal))
Accessories: copy of instruction manual
Main specifications: 100V specification preamp input system PHONO1, 2, AUX, TAPE W395 x H120 x D305 mm 12.5 kg