Marshall VS 8080 IC1 Blowing. - Page 2 - diyAudio
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Old 20th May 2013, 11:57 PM   #11
Enzo is offline Enzo  United States
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Join Date: Sep 2004
Location: Lansing, Michigan
And just a thought... is it winter there? And do you need home heating there now? In my part of the USA, winter humidity is low, and in cold months when the home furnace is heating us, it gets even lower. Static electricity becomes a problem. If you scuff across the rug and touch a doorknob, a spark jumps and startles you, but that spark is thousands of volts, really, and if you grab your guitar and iut happens to have built up some static charge, plugging it into the amp will discharge that into the circuits. Maybe his setup is on a staticky carpet and your shop is not. Or something like that. Clamping diodes will generally cover that too.


years ago, when Pac Man came out in the arcades, some video arcade games were sensitive to static. A kid walks across the rug, ticks his coin in the slot, and the static discharge between coin/kid and the machine triggered the reset on the game computer. SO he loses his money. We wound up having to de-static the carpets.


Hey, it is a long shot, but what the heck...
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Old 8th June 2013, 04:14 PM   #12
Nelec is offline Nelec  Australia
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Join Date: Feb 2012
Thanks Enzo. At the time this was occurring it was still fairly warm.

I think it was something added to his effects chain.

I've put in the 1N4148's in the Input, and FX return, and haven't hear back for a few weeks, so fingers crossed that was the solution.

Thanks to everyone that had input in this. Much appreciated.

Cheers.
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WARNING! Musical Instrument amplifiers contain lethal voltages and can retain them even when unplugged. Refer service to qualified personnel.
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