MM-type phono equalizer with separate power supply. Details are unknown, but it seems that carefully selected parts are being used. The exterior is good with no noticeable scratches (Oikawa Tetsuji)
Maintenance information: 2023.2.5 operation confirmed
Accessories: power cable, connection cable
Main specifications: MM2 system main unit W160 x H60 x D138 mm power supply unit W102 x H60 x D140 mm (actual measurement)