Owner's Manual for YAMAHA speaker system
This document serves as the owner's manual for various Yamaha speaker system models, including the R112, R115, R215 series and their M/C variants. It provides essential safety warnings regarding power amplifier usage, cable connections, and installation environments to ensure maximum reliability and longevity of the equipment.
| Nominal Impedance (R112/R115) | 8 ohms |
|---|---|
| Frequency Range (R112/R112C) | 55 Hz - 20 kHz (-10 dB) |
| Sensitivity (R112/R112C) | 97 dB SPL (1W,1 m) |
Turn the power amp off immediately, remove the power cord from the AC outlet, and consult your dealer for repair.
Immediately remove power from the unit and wait for two to three minutes before re-applying power.
You should not connect more than two 8-ohm speakers in parallel, as this results in a total impedance of 4 ohms.