B&K Reference 4420 amplifier

guitardiet

New Member
Hello. I just started having a problem with my amp. The left channel is cutting out with volume drops. When I play with the power button, the channel comes back, but sometimes will go out again. I sprayed deoxit on the switch, and it clears the problem for a while. Then it returns. Any ideas?
Mike
 
You might check the balanced on/off button in the back and see if that's causing issues. Alternatively, does your model have output relays? I had a unit with a bad relay at one point.
 
I have the same issue with mine right now . I am bi amping a pair of Kappa 8's . 4430 on bottom and the 4420 top. They sound really good . With the C2 basic I just Re-capped . I will clean the power switch and check for relays and re post results for others.
 
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