Description Of Controls; Gain; Frequency - Alesis PEQ-450 Reference Manual

basics of equalization • chapter 3

Description of Controls

There are five groups of knobs in vertical rows on each channel of
the PEQ-450. These are labeled BAND 1 through BAND 5. Their
function is as follows:

Gain

The
GAIN
The range of the control is –18dB to +18dB. When the Gain is set to
0dB, that band will not affect the audio. The only exception to this is
if the or
LPF
setting on Band 1 and Band 5.
+12dB
-12dB

Frequency

The
FREQUENCY
by that band. The range is 20Hz to 20kHz for each band. You can set
several bands to the same frequency, if you like.
The Diagram above shows the effect of sweeping the frequency
control up and down.
28
G
knob specifies the amount of boost or cut for that band.
functions are on. These functions supercede the gain
HPF
+9dB
+6dB
+3dB
0dB
-3dB
-6dB
-9dB
40Hz
F
knob controls the frequency that will be effected
40Hz
Q
Frequency
200Hz 1kHz
200Hz 1kHz
10kHz 20kHz
10kHz 20kHz
PEQ-450 Reference Manual