Question about 3Com SuperStack II advanced RPS (662705388786) 100-Watt Power Supply

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Loud popping sound coming from Bass guitar

Whenever my Marcus Miller bass is moved around the signal gets all messed up and makes a loud pop sound. I think it could be the battery for the active pickups. My amp is fine, so is my monster cable, so it can pretty much only be the bass. How can I fix this?

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  • Thomas F. Schneider May 11, 2010

    I woudo check the bannana plugs for loose wire connections.A common problem. Does it not sound like you unplugged it while  the amp is on? 

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If the battery is in the same cavity as the pots and toggles, the battery if not insulated could be grounding out on one of the hot leads or lugs on the pot. i usually cut out a thin piece of foam to cover the electronics from the battery and wrap the batter in electrical tape. that pop is a grounding type noise, there maybe a bad solder joint as well. maybe the tone capacitor is not soldered in well.
yostamplifier.com

Posted on Jan 21, 2010

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