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Fender Hot Rod Deluxe

10/21/1999 2:39 PM
Fender Hot Rod Deluxe
While having the chassis out of the cabinet the phase inverter tube cracked without my knowledge and I powered back up with the bad tube in the circuit. I located the problem quickly and installed a new tube but now th amp has a loud 120HZ hum.Anyone know what else might have been taken out when I powered up with a bad tube in the socket?