Peavey 6505 Plus Combo B+ Voltages

[RJoz]

It looks as though those 1N4003 1A (200 Volt) Diodes can be replaced with a 1N5402 3A (200 Volt) diode, although places I've checked are more likely to stock a 1N5408, same diode, just stops higher (1,000V) voltage. Using those 1N540X Diodes should stop the problem of killing the heater voltage the V1 - V4 via murdered diodes. I have one with the same problem that I just picked up tonight for $200, hoping it's the same simple fix - fingers crossed.