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A DENON DCA-660BL car amplifier after a certain volume its shuts donw the subwoofer.It's not the sub's problem.I connected a different amp and it worked fine.Any opinions?

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  • autoradiodra Nov 14, 2008

    Thanks for your answer!I've checked these things and they all seem fine.Therefore I think the amp has the problem.

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It could be a few things. Those amps have pretty sophisticated monitoring circuits that watch for impedence mismatch, current draw, clipping, overdriving, etc...

I would double check the power going to the amp. You should be using 8 AWG wire or larger, be connected directly to the battery, have an inline fuse at the battery connection, and the terminals should be crimped and/or soldered. The connections here are critical. The ground wire must be terminated properly as well. Did you use a lug and a screw drilled into the body? If the paint scraped away from where the ground is connected so there is no ihgh resistance termination? If you think the power is good then your amp may be failing.

Posted on Nov 14, 2008

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Proceed with caution.. I would recommend turning the sub down and using the sub volume control on the amplifiers settings to change the volume.. Just do not run it at a pace where it looks like it is stressing.. When I say stressing I mean, looking like it is going to jump out of the enclosure..

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