Question about Fender Hot Rod Deluxe Guitar Combo Amplifier

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Deville 212 overdrive channel making Loud humming noise

I have a Deville 212 thats about 3 years old. about 3 months ago, the overdrive has had problems. It just makes a loud humming sound and the clean channel distorts at really low volumes. i've checked the tubes and they're fine

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It sounds like a filter capacitor(s) has failed. The electrolytic caps dry out and cease to perform allowing unfiltered power to reach the preamp sections and get amplified.

Being this is tube with high voltages, an experienced person should work on it due to shock danger.

I assume you checked the tubes for shorts as well as emission since a heater to cathode short could cause this as well.

Posted on Sep 30, 2009

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