Radio Shack MPA-125 Stereo Amplifier User Manual


 
14
Connections
USING THE FEEDBACK FILTER
The
FEEDBACK FILTER
control lets you reduce or eliminate squeal and other noise caused by
feedback.
After you adjust
MASTER VOLUME
,
MIC 1
,
MIC 2
,
MIC 3
,
MIC 4/PHONO
, and
CD/AUX
, turn on the
amplifier and any connected sound source. If you hear any feedback, turn
FEEDBACK FILTER
clockwise until you reduce or eliminate the feedback.
Note:
The
FEEDBACK FILTER
control decreases feedback frequencies by up to 12 dB. If it does
not eliminate the feedback, try using a frequency equalizer to further decrease the feedback
frequencies.
FEEDBACK FILTER
32-2003.fm Page 14 Tuesday, March 28, 2000 10:45 AM