Question about Polk Audio RT1000I Speaker

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Crazy cycling noise

I have a pair of the RT1000I speakers and one of them all of a sudden started making this obnoxious cycling "grunt" type noise. Its about like every second...grunt...grunt...grunt. It must be in the amp because I get speaker sound but no sub sound. Does this mean the amp is blown?

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A quick test, change the speaker wires between the speakers, if the sound goes over to the other speaker the problem is in the amp. But if the problem stays with the same speaker tower the problem will be in one of the speakers in the tower. since you said you get no sub sound I suspect ithe problem is not the amp, but the sub speaker itself

Posted on Oct 31, 2006

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Posted on Jan 02, 2017

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