RCF spa
M 20X Digital Mixer Reference Guide
29
30-Band GRAPHIC EQ
The Main OUT processing provides a 30-Band GEQ with the center frequency of each band spaced 1/3 of an octave
away from the center frequency of the adjacent bands, so that three bands (three sliders on the front panel) cover a
combined bandwidth of one octave.
GEQ parameters assigned to the Encoders are:
Select frequency
zone
moving
Encoder 4
Select filter band within
the selected zone moving
Encoder 2
Select frequency zone
touching one of the 3
areas:
Zone1
[25-200] Hz
Zone2
[250-2k] Hz
Zone3
[2k5-20k] Hz
The yellow line indicates
the selected frequency
zone
Select band touching
one of the 10 sliders
The
yellow
line
indicates the selected
band
Switch the
GEQ On or
Off using the
on-screen
ON button
For the GEQ, 100 locations are
available where your custom
settings can be saved and recalled
Set all band
gains to 0 dB
When enabled, the 10 input faders
control the 10 bands relative to the
selected frequency zone in order to allow
a fine control of each gain band
BAND SELECT: select one of the 10 bands for each selected zone
Zone1 Bands: 25, 31, 40, 50, 63, 80, 100, 125, 160, 200 Hz
Zone2 Bands: 250, 315, 400, 500, 630, 800, 1k, 1k25, 1k6, 2k Hz
Zone3 Bands: 2k5, 3k15, 4k, 5k, 6k3, 8k, 10k, 12k5, 16k, 20k Hz
GAIN: set the value of the selected band in the range [-12; +12] dB
ZONE SELECT: select the frequency zone
