Working pre-main amplifier with the title. Although there are various small scratches, it is a relatively clean product. The operating status is within the range that I understand. ・ Input of PHONO, CD, TUNER, and AUX has been confirmed. ・ Playback input and recording output of TAPE and MD/DAT terminals have been confirmed. ・ Function switching is good (disassembled and cleaned the contacts) ・ Headphone output confirmed. ・ Speaker terminals confirmed (disassembled the speaker relay and cleaned the contacts) Please ask any questions you may have, as detailed operational checks other than these items have not been performed. Accessories: None, only the main unit. Size: H: 130 W: 270 D: 305 (excluding protrusions) ・ We will respond to fatal operational defects such as no power or no sound within one week of arrival. ・ The condition of the scratches and the subjective description of the functions are subjective and vary from person to person, so please be careful if you are sensitive.