About a month ago with almost brand new speakers, and a new tube amp I turned up the volume on my line stage and was startled by a loud snap or pop. It was dark and I might have touched the chassis but I'm just not sure. I turned down the volume, stopped the disc and heard only from the right channel and also the amp a soft pulsating, rhythmic tone from both in harmony. I turned off the cd spinner and sat for about 5 minutes listening. I could not describe the sound at the time. It wasn't a ringing, or hum but some kind of blended soft sound coming and going. This occurred the same night as when I was getting some small static shocks. My guess at the time was that the right output tube was messing up and shut down for the night.
The next night after reversing the output tubes both channels appear fine and the amp is also quiet again.
Does anyone have a good guess what happened I'm guessing from this static electricity shock?
LP