The document serves as an owner's manual for the Yamaha MX-830 and MX-630 stereo power amplifiers. It outlines essential safety precautions regarding electrical shock, ventilation, and moisture before operation.
The guide details how to connect speakers and control amplifiers, explaining specific speaker selection switches for each model. It also covers troubleshooting common issues like clipping indicators and provides instructions on proper wiring techniques.
The minimum speaker load impedance per speaker is 4 ohms.
Pressing switch C will cut off the sound from pair B because they are connected in series.
You should reduce the input level by using the output level control on the control amplifier or other component connected to this unit.