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bass amp thumps when volume is turned to zero

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Old 04-28-2006, 10:19 PM
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bass amp thumps when volume is turned to zero

any ideas
amp ppi pcx2200
head alpine
thx dave
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Old 04-28-2006, 10:50 PM
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bass amp thumps when volume is turned to zero

or is it when it turned off
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Old 04-29-2006, 07:51 PM
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zero not when turned off
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Old 05-08-2006, 07:30 PM
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grounded radio near amp and thump was gone. next l will ground to where all amps are ground to a block.
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Old 05-22-2006, 11:35 AM
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I dont think you owudl have to ground directly to the block. But the thump is a ground problem.

Now it is fixed however
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