Maintenance has been completed, including full replacement of the electrolytic capacitor and disassembly and cleaning of the volume and switches! Sony's name control amplifier. The sound field that spreads without stuttering is unique to the 70s SONY brand. The feeling of extrusion in the middle range and the sense of dynamism that radiates throughout the entire area are exquisite. There are scuffs and discoloration on the front panel, and abrasions in places on the top plate (Kojima Yosuke)
Maintenance information: 2026.1.9 maintained (all 16 electrolytic capacitors replaced, replaced because the power display lamp is out, other volume VR, balance VR disassembly and cleaning adjustment, other PHONO, FUNCTION MONITOR, MODE, LEVEL operation SW disassembly contact polishing cleaning grease application (34 locations for SW single item), RCA input/output terminals, panel cleaning, and connection sound output confirmed)
Accessories: none
Main specifications: 2 phono systems, 3 switching (MM/MC (3/40 ohms)) line input, 2 tape systems, 2 pre-out systems, W480 x H80 x D370 mm, 9.4 kg