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Old 21st Apr 2017, 12:32 pm   #25
candletears7
Diode
 
Join Date: Apr 2017
Location: Melbourne, Victoria, Australia.
Posts: 8
Default Re: Vintage WEM Dominator guitar amplifier?

Quote:
Originally Posted by Alistair D View Post
Yes. If you look at the schematic there is a resistor in parallel with those caps. It is in fact the cathode resistor for the pair of EL84s. The actual resistor is the white square block that is beside the caps on the PCB. The reason for doing this is that for a 63Volt capacitor to explode the voltage across the resistor must have risen to a level that is likely to damaged it as well as the original capacitor.
Right, gotcha. I'll post back.
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