26 capacitors, 22 transistors, 12 lamps, 2 gain volumes, pin jack replacement, etc. have been fully maintained! The flagship model of the Macintosh power amplifier at the time. The heavyweight frame, fresh blue meter, and large speakers drive lightly, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. There are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2026.4.30 maintained (panel dismantling, meter section cleaning, power stage transistors, driver board transistors, capacitor deterioration replacement, lamp breakdown replacement, gain volume defect replacement, AC cable replacement, pin jack deterioration replacement, internal dust cleaning, offset, bias adjustment, operation check)
Accessories: Brand new power cable, copy of instruction manual
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg