Key facts
- Brand
- Yamaha
- Model
- GQ2015A
- Documents
- 2
- Languages
- EN · JA
- Last added
- 2012-06-11
Start here

Yamaha Q2031B/GQ1031C/GQ2015A Graphic Equalizer Operation Manual
This document is the operation manual for the Yamaha Q2031B, GQ1031C, and GQ2015A graphic equalizers. It provides instructions on safety precautions, front and rear panel functions, and typical system configurations. The guide details how to use controls such as the RANGE switch, HPF (High Pass Filter), EQ bypass, and level adjustments for precise audio equalization.
Read onlineYamaha GQ2015A specifications
| Bandwidth (Q2031B/GQ1031C) | 20 Hz to 20 kHz, 31-band control |
|---|---|
| Bandwidth (GQ2015A) | 25 Hz to 16 kHz, 15-band control |
| Input Level | +4 dB |
| Input Connectors | Balanced XLR-type and 1/4" phone jack |
Source: Yamaha Q2031B/GQ1031C/GQ2015A Graphic Equalizer Operation Manual
All Yamaha GQ2015A documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the function of the RANGE switch?
It selects the boost or cut range for equalization; off selects +/-12 dB, and on selects +/-6 dB.
From: Yamaha Q2031B/GQ1031C/GQ2015A Graphic Equalizer Operation Manual
How do I bypass the equalizer section?
Turn the EQ switch to the off position.
From: Yamaha Q2031B/GQ1031C/GQ2015A Graphic Equalizer Operation Manual
