im a newbie when it comes to tube amps. i repaired my Vibrochamp some years ago, but that was the first and only time ive been inside an amp. now im building a 5F1 / 5F2-A. i got the chassis and most of the parts fairly cheap at a guitar show, and although the amp "worked" it sounded terrible. i never intended to keep the amp the way it was, and wanted it to be a project for me to experiment with. so i gutted it, and took it all the way down to basic components. the original amp had a 5Y3 tube rectifier, but somewhere along the line, the power transformer was replaced, and the TX doesnt have a 5v tap to run a tube rectifier, so im forced to use a diode bridge rectifier, -which is what it had in it when i bought it. that said, the diodes were way out of spec and leaking a ton of AC through, so i replaced them with new 1N4007 diodes. when i hooked it all up and was ready to test it, i put tubes in it, and a speaker and didnt hear anything. but i did hear a POP through the speaker. when i turned it off and checked it, i got NO ohm reading through the primary of the output transformer. (the B+ comes straight off the diodes/1st filter cap, and passes through the primary of the output coil to the plate of the 6V6.) Somehow, the coil opened on the output transformer? i checked my schematic and my wiring several times to make sure i didnt do something wrong, and it looks good. i got a new output transformer (rated for a 5watt tube amp) and the ohm reading across the primary is just over 500 ohms. so that verifies my old output TX is bad. so my concern now is... did I break the old output transformer by feeding it too much voltage? my DC voltage reading off the diodes is 424VDC. (and all my Caps are rated at 450V, so im awfully close) -i have the Tubes in it, as well as all the rest of the "guts", but until i pass the B+ through the new output transformer, the 6V6 wont draw anything... im worried im running really Hot and maybe i popped the original output transformer? so im REALLY nervous about putting the new one in, and then checking voltages again afterwords, in case theyre too high, and i fry the new one. according to my schematic, i should be getting 360+VDC at the B+. so that means i have to loose 60 VDC? dont i? next question... how? somewhere i read an old trick the radio guys used to do back in the day, was to run some resistors in parallel with the diodes to bleed off some voltage from going through the diodes. -which again, thats what was originally in this circuit. ((but i just took it all out, and i didnt take any voltage measurements)). -plus im REALLY not sure how to do it...? plus it raises questions, such as: what keeps the 2 AC leads from frying when you put them together? -even w resistors? what value resistors? wouldnt that allow power AC to pass into the 1st filter cap? when all we want is DC? what happens to the AC? if i have AC bleeding through my DC, then send the AC through the output transformer, wouldnt you hear that through the speaker? the only "ac" we want is whats coming off the plate... see? i dont understand how this works. IF it works... for what its worth, my power transformer has a center Tap, tied to power ground. -as well as the filter caps negative side, tied to power ground. (TX is 336VAC from each leg of the 2ndary to the center tap. so about 650VAC across) i hope all this makes sense... what should i do?