If the resister is still intact, upload a picture of it and I will tell you the value...
SOURCE: Peavey 400SC
You can find Peavey's manuals in their archives at
http://www.peavey.com/support/searchmanuals/archived.cfm
They are grouped alphabeticaly across the top.
Go Fer' It,
FixThemAll.........
SOURCE: 9v battery wires came loose. peavey 5 string bass
The negative battery terminal will go to a black wire and that will be soldered to one of the volume control cases. That makes the remaining wire easy. The negative terminal pole on the battery is the larger round one.
SOURCE: Crate GX-20M burned resistor + popped cap values?
go to
http://www.crateamps.com/support/index.php
you may find what you are looking for there.
SOURCE: Peavey 115 Low hum Low volume from input
The preamp section has a problem. It could be anything in the preamp but is OFTEN the input jack itself. They take a lot of abuse.
Also the insert jack contacts that forward the preamp to the power amp if no external FX are used can go bad.
Additional things are circuit board cracks caused by rough handling and also controls that have had the knobs mashed in which can destroy the potentiometers they are connected to.
SOURCE: I have a Peavey MAX
The amp is doing what is called "motorboating". This is usually caused when the voltages to sensitive preamp stages are inadequately filtered or regulated and the sudden load of the output stages cause a dip in the voltages sent to the preamps which in turn vary the input to the output stages starting the cycle over. This will require electronic troubleshooting and if your not skilled in that, then it is NOT a DIY fix. What you are seeing is NOT normal, there is a defect.
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Unfortunately it is burnt beyond reading.
47 ohms
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