It is an MM/MC compatible phono equalizer from Tokyo Sound. It is a sound character with a core that is straightforward, has no habit, and has a moist sound with little irritation. As for the exterior, there is graffiti in the manual. Serial 1070496 (Satoshi Yonejima)
Maintenance info: 2022.8.25 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: Input sensitivity mm2.5mV, MC0.25mV input impedance mm47kΩ, MC100Ω gain mm40dB, MC60db power supply AC100V (3P inlet type) dimension 117W ×170H×236Dmm Weight 2.2kg