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Home » VintageKustom.com » Repairing Kustom Amps » K150-6 pumps out DC voltage when powered on.
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Re: K150-6 pumps out DC voltage when powered on. [message #27738 is a reply to message #23707] Mon, 16 March 2020 16:10 Go to previous messageGo to previous message
chicagobill
Messages: 2005
Registered: April 2003
Senior Member
So the cap was shorted. Good to know that you found the problem.

So let's see, have you reinstalled all of the original transistors again? Is the amp keeping fairly stable and not going into failure mode? How does the amp sound?

If the amp is sounding good and staying stable, I'd just replace the bad cap and call it good. The cap is a ceramic cap 47 pf (picofarad) and rated at 100 volts or higher.

The fluctuating 1/4 volt on the output is fairly normal and may go away or lessen once C7 is replaced.
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