Peavey Q 131 - Operation Note; Bypass Led; Equalizer Section; Led Level Meter

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OPERATION NOTE
This equalizer is designed to provide room equalization, feedback control, and system tone control. No amount of
equalization will correct an acoustically bad room/mic/speaker arrangement or completely correct the response
curve of a poor loudspeaker.
Always begin with all sliders in the "0" position and avoid excessively cutting large segments of the audio pass-
band, which would limit the system's dynamic range.
Exercise caution when attempting to boost equalization below cutoff of the speaker system. Typical sound rein-
forcement enclosures are not designed for 20 Hz, performance and transducer damage could result.
LOW CUT (1)
Provides high pass filtering at 40 Hz in the "in" position. Low frequency roll off is at 12 dB per octave.
LOW CUT LED (2)
With the low cut switch in the
per octave at 40 Hz.
BYPASS (3)
In bypass mode (switch in), the input signal is routed directly to the output and is unaffected by all front panel
controls except the low cut filter.
BYPASS LED (4)
This LED will illuminate when the bypass switch is in the "in" position, indicating that the EQ and gain controls
are bypassed.
EQUALIZER SECTION (5)
31-bands of 1/3 octave filters, The filters are constant "Q" devices, located at ISO center frequencies. Effective
equalization range is from 20 Hz to 20 kHz. Maximum cut or boost per frequency is 12 dB.
LED LEVEL METER (6)
position, this LED will illuminate indicating a low frequency roll of at 12 dB
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