Randy, open the back of the amp, fire up a hair dryer and blow it dry for about 30 minutes. If the static problem is being caused by moisture, that should cure it. However, if moisture got into the main volume potentiometer you will have to have it replaced. Not hard to do, though, usually just 5 wires to solder and you're ready to go.

Good luck,

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)