The disposal price has been reduced! (Member prices are not applicable) 2024/3/2 sales price 198,000 yen Maintained! This power amplifier was released around the same time as the SG620. It combines 100W+100W driving power with good sharpness. It reproduces thick sounds unique to JBL from a simple design with only a power switch on a black body. It goes well with 70' SJBL speakers and drives exhilarating. The exterior has front scratches, bends on the power switch, scratches, and repair marks on the top plate. Serial 10623 (Yonejima Satoshi)
Maintenance information: 2024.3.2 Maintained (timer relay installed (speaker will be turned on 5 seconds after power is turned on. (Please turn off the VOL when the power is on). Power SW bending correction (deformation of the knob itself is not compatible). Power stage Tr check. (Replacement of Tr in the board, level VOL, fuse holder, and C in the power supply board)
Accessories: No accessories
Main specifications: T-type circuit adopted 100W+100W W432 ✕ H132 ✕ D355mm 19kg
Maintained! The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its rich sound. The extrusion is strong and goes great with JBL large monitor speakers. The dynamism in the mid to low range, which is difficult to obtain with current Mackin power amplifiers, is attractive. There are scratches, dullness, and discoloration in places (Kojima Yosuke)
Maintenance information: 2024.4.18 Maintained (1 power transistor, 1 driver transistor replaced, other bias transistors replaced, 14 in-board transistors replaced, 26 capacitors replaced, gain VOL both channels replaced. Mode switch SW dismantling and cleaning, meter lamp check, display lamp replacement. Caulk and clean each connector. (Pattern re-soldered, DC offset, bias adjusted)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg