It is a head amplifier that combines Sony technology at the time and pursues only sound quality. There are only models that inherit the technology of the HA-55 and have been reduced in cost, so you can fully enjoy the sharp sound quality even today. The exterior is scratched and there is a slight feeling of use (Murakoshi Yoichi)
Maintenance Information: 2023.8.10 Sound output confirmed
Accessories: instruction manual, original box
Main specifications: PASS/MC switching input impedance: 100 ohms Gain: 26 dB W120 × H80 × D280 mm 1.8 kg