LightSpeed Technologies 780iR Stereo Amplifier User Manual


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
Turning speaker volume too high can result in
feedback when walking under speaker.
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
 
 



 


 





 


 




e system can generate feedback (a squealing
or howling sound) if there is too much volume
or the equalization (EQ) levels are incor
-
rectly set. Adjust the three EQ level knobs if
necessary to eliminate feedback and to obtain
a natural sound.
 




 

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