VTM 120 buzz

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TommyTwoTone
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Joined: Sat Aug 15, 2015 11:08 pm

VTM 120 buzz

Post by TommyTwoTone » Thu Aug 20, 2015 1:30 pm

Is there A simple answer for why my vtm 120 buzzes instead of goes on when the switch is flipped?

On a second note has anyone had luck with switching 6L6s with any different tubes

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Enzo
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Re: VTM 120 buzz

Post by Enzo » Thu Aug 20, 2015 11:15 pm

Buzzes out the speaker or from the chassis? Buzzes when only the power switch is turned on, or it buzzes only when BOTH switches are on?

6L6 is what it is made for, 5881 is just a variant on 6L6, so current production of those is OK. The amp would have to be modified to use EL34.

Buzz or hum can be caused by bad filter caps, or solder problems associated with them, also bad tubes can cause such noise.

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