Thoburn New member Oct 10, 2010 #1 When do you need to check the hum pot? New tubes? New capacitors? Other factors?
Doc B Former President For Life Staff member Oct 10, 2010 #2 Whenever you change tubes (including swapping them left and right), and it's also a good practice to trim the hum pots whenever you move the amplifier.
Whenever you change tubes (including swapping them left and right), and it's also a good practice to trim the hum pots whenever you move the amplifier.
