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Home » VintageKustom.com » Repairing Kustom Amps » A-4 Repair (Unwanted distortion)
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Re: A-4 Repair [message #26918 is a reply to message #26502] Sat, 25 August 2018 00:15 Go to previous messageGo to previous message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
The 15 volts is a typo. If it wasn't there would be about 13 volts across the bias diode string.
The usual voltage would be about -0.5 volts.

Does the distortion occur with both preamp channels?
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