This document is the owner's manual for the Yamaha CA-610 pre-main amplifier. It details the front panel controls such as volume, muting, tone controls with defeat switches, and input selectors. The guide also explains rear panel connections for various components including turntables, tuners, tape decks, and speakers.
The minimum continuous RMS output power is 40 watts per channel with both channels driven into 8 ohms.
The available voltage settings are 110, 120, 130, 220, 230 and 240 V.
It offers a straight 20 dB reduction in signal level without having to adjust the volume control.