#1
what does the mains switch on the back of my amp do? it can be set to 115v and 220v? what the heck does this do? what should it be set to?
#2
Quote by voxAC30TBguy
what does the mains switch on the back of my amp do? it can be set to 115v and 220v? what the heck does this do? what should it be set to?

it should be on 115v in the US and if your in europe it would be 220v.