Operating Manual - MQX-2310, MQX-1310, and MQX-2150 Graphic Equalizer
3.15K 4K | 5K | 6.3K | 8K | 10K | 12.5K | 16K | 20K | | Gain | | | Channel 1 | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | +15(+6) | +6 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | EQ | Range | 40Hz | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | +10 | +4 | | | | | | | | Sig. | Clip |
| | | | | | | | | | | | | | | | | | | | | | +5 | +2 | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | 0 | 0 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | -5 | -3 | | | | | In | ±6dB | In | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | -10 | -9 | | | | | Out | ±15dB | Out | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | -15(-6) | - | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Power | |
| | | | | | | | | | | | | | | | | | | | | | | | dB | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | +15(+6) | +6 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | EQ | Range | 40Hz | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | +10 | +4 | | | | | | | | Sig. | Clip |
| | | | | | | | | | | | | | | | | | | | | | +5 | +2 | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | 0 | 0 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | -5 | -3 | | | | | In | ±6dB | In | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | -10 | -9 | | | | | Out | ±15dB | Out | | | |
| | | | | | | | | | | | | | | | | | | | | | -15(-6) | - | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | Gain | | | Channel 2 | | | | | | | | |
3.15K 4K | 5K | 6.3K | 8K | 10K | 12.5K | 16K | 20K | | | | | | | | | | | |
5.5 High-Pass Filter
The high-pass filter can be used to supplement the frequency response achieved by the bandpass filters. It’s function is to “roll off” low end response to eliminate subsonic interference like wind noise, floor rumble, and boomy microphone pops. The high-pass frequency on the 31-band models is fixed at 40Hz with an 18dB/octave slope. The MQX-2150 has an internally switched 20Hz high-pass filter which can be disabled by a qualified ser- vice technician.
5.6 Signal Present Indicator
A green LED indicates when input signal to the equalizer is above -20dBu. EQ or Gain settings have no effect on this indicator, as it only tells you the level of signal applied to the equalizer.
5.7 Clip Indicator
The red Clip LED turns on when any signal within the audio path exceeds +19dBu. Clipping can be detected at the input stage, gain stage, or at the equalizer output.
5.8 Power Switch
This front-panel push-button switches the AC power to the unit. The adjacent yellow LED indicates when the unit is powered on. If the yellow LED does not light, check to see if the unit is plugged into a live outlet. If there is still no light, refer the unit to a qualified ser- vice technician for possible fuse replacement.
25 40 63 100 160 250 400 630 1K 1.6K 2.5K 4K 6.3K 10K 16K | | Gain | | | | | | | Power | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +6 | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +15 | | | | EQ | Range | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +10 | | | | +4 | | | Sig. Clip |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +5 | | | | +2 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | | | | 0 | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -5 | | | | -3 | | In | ±6dB |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -10 | | | | -9 | | Out | ±15dB |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -15 | | | | - | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dB | | | Channel 2 | | | |
5
