Loudness250
New member
Hey, it's me, dumbass. I put the fuse cover back on in the 240v postion when I checked the fuse. This caused the amp to run at half power, thus the bias was at half what it should have been and this also caused the 3 modules to light up at the same time. Now that I put the fuse cover on the correct way, the amp is great! In my defense I can only say that since my amp is a combo, all the writing is reversed from the fuse cover position arrow that you line it up with . When I put the cover on I lined up the 120V with the writing on the back of the amp instead of the little arrow that you use to line it up. On the head version the writing on the back of the amp lines up with the fuse cover arrow so this was my logic. I only discovered this problem when I used my weber bias rite to bias the tubes and checked my plate voltage. I am very relieved.