hiss then cracking sounds

dougc · 1400

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Offline dougc

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on: June 05, 2015, 09:09:26 PM
Hello

My freshly assembled Crack + Speedball has performed well for a few weeks now. Tonight however, I'm getting a slight hiss from only the left channel then occasional loud crackling / static. I turned off the amp and made sure the tubes are seated, but the problem remains. If I tap on the area near the volume with two fingers, the static can be induced.

I don't know anything about tubes so I have no spares, but there is a Guitar Center nearby. Do they have tubes that work in this? If so, what am I looking / asking for?

If the problem remains, then what's next? Solder joint?

Thanks


Offline Paul Birkeland

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Reply #1 on: June 06, 2015, 05:41:54 AM
This sounds a lot like a flaky solder joint.

-PB

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline dougc

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Reply #2 on: July 10, 2015, 07:37:01 PM
Turns out circuit board "B" for the speedball upgrade has a crack in it that affected a trace on the board. soldered the trace and all is well now. thanks!


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