Maintenance has been completed, such as replacing 8 capacitors and 4 lamps, disassembling and cleaning each switch and volume. Macintosh's 2nd generation solid state preamp. Although it is a transistor, it inherits the atmosphere of a Macintosh vacuum tube sound. The rich and vivid sound unique to McKinn from this era is attractive. Overall there is dullness, small scratches, rust spots, etc. (Oikawa Tetsuji)
Maintenance information: 2026.2.26 operation confirmed (each SW, vol cleaning, lamp deterioration replacement, pin jack cleaning, in-board capacitor deterioration replacement, pin jack earth plating treatment, operation check, block C status OK)
Accessories: copy of instruction manual
Main specifications: input/LINE2 system TAPE2 system PHONO (MM) 2 system output/PRE OUT2 system W445 x H180 x D350 mm (including pan lock) approx. 11 kg