Low Cut Filter - Radial Engineering AC DRIVER Manual

Acoustic instrument preamp
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ThE Low cUT FILTER
This variable EQ control rolls off excessive low fre-
quencies, which eliminates bass resonance that
can occur when low frequencies are generated by
the PA system. When set fully counter-clockwise (7
o'clock), the Low Cut has no effect on your signal.
As you turn the dial clockwise, it will begin to roll off
low-end frequencies — up to around 300Hz.
Start by setting the filter control completely counter-clockwise. Slowly turn it clockwise until you notice
the bass roll off, then turn back a bit and you are set. The filter position is usually set in proportion to
the size of the instrument, whereby larger instruments such as contrabass will be set with more bass,
while a cello or violin will have less.
Radial Engineering Ltd.
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