That is power supply hum and hiss from the gain stages. If you are under warranty have it repaired. If not it could be as simple as a bad ground or bad solder joint but a tech will be needed.
Just call me B-String 2
GK Club #488 Big Cabs #175 Peavey Amps #92 50+ Club #44
Originally Posted by beans-on-toast
I told my manager that I wanted a regular gig. She told me to try prune juice.