beautypg.com

Using the feedback filter – Radio Shack MPA-125 User Manual

Page 14

background image

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