The volume has been replaced and the switch has been disassembled and cleaned! The flagship model of the Macintosh power amplifier, the black version. 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. The exterior is dull and has small scratches. There are places where the lettering inside the meter is faded (Oikawa Tetsuji)
Maintenance information: 2025.3.25 Maintained (VR x 2 replaced, SW x 2 disassembled and cleaned. The meter has been adjusted. (Input and output waveforms were checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation)
Accessories: power cable, copy of manual
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg