The Yamaha C-85 is a stereo control amplifier featuring parametric tone controls, a continuously variable loudness control, and subsonic filtering. It supports multiple input sources including turntables (with MM/MC phono settings), CD players, tape decks, and tuners.
This guide covers safety precautions, installation instructions for rack mounting adaptors, and detailed wiring diagrams for connecting speakers and external power amplifiers. It also explains how to use the various front panel controls for volume, balance, tone adjustment, and recording monitoring.
The LOW controls may be used to boost or cut any frequency in the range of 31.5 Hz to 800 Hz.
The HIGH controls may be used to boost or cut any frequency in the range of 0.8 kHz to 20 kHz.
The LOUDNESS control provides a maximum of 40 dB attenuation.