Snap, crackle, and pop in one channel of my beloved Panasonic SU-3604.

pete1729

AK Subscriber
Subscriber
This integrated amp literally showed up on my doorstep a few years ago. It was in its original packaging. I plugged it in and it leaked a little smoke, so I replaced the filter caps in the power supply and maybe some resistors too, I forget now.

I hooked it up to my KLH Model Sixes. I liked the sound so much I could have soldered the speaker wires in place. I also bought the matching tuner.

A few weeks ago I got a bad pop and crackle out of one channel. The sound is otherwise very good. The popping is intermittent, but it annoys my dogs very deeply.

So where should I start looking? Does this sort of thing happen when a capacitor is failing? Is an ailing transistor the likely culprit? I'm looking for a place to start.
 
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