Presonus – PreSonus EQ3B User Manual
Page 20
PRESONUS
Figure1
Bypass
If the BYPASS button is not pushed in, the EQ3B is
processing the signal (equalizing). Pushed in, the EQ3B is
no longer equalizing the signal.
80Hz
The 80Hz button is a low end roll off filter. When pushed in,
the 80Hz button causes all frequencies below 80Hz to be
attenuated (dropped) by 12dB. This filter can be handy in
several live and studio applications. One instance would be
for use on a vocal. The 80Hz filter would help reduce the
“boominess” of a deep vocal.
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