Question about Kenwood KAC-5203 Car Audio Amplifier

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Nothing working! please help!

I have got a new kenwood 350w amp and 1200w sub, and have wired everything as per instructions, but had a spark jump from the power cable to the ground cable, will this affect anything?
I have a DEH1050E pioneer cd tuner and have connected the rca plugs to the jacks, and getting no sound, is there anything else to be done? and does the power control jack on the amp need to be wired in to work the sub?
Many thanks

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  • shawnsz
    shawnsz May 11, 2010

    Is the power light on, on the amp? And is your remote wire connected?

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  • 77 Answers

No it doesnt HAVE to be wired in it just lets you control the amount of output from the sub. however the spark could have blown out the internal workings of the amp. there are genereally multiple fuses on car amps. have you checked these? if they are blown replace and reinstall if not then it very would could be that the spark caused the amp to fry.

Posted on Feb 18, 2009

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The Kenwood KAC-6202 2-channel is only rated for 60 watts RMS per channel into a 4 ohm load. That just isn't much power for a pair of 12" subs. Even the bridged output is only 200 watts into 4 ohms, still at the low end for a sub, much less to share between a pair of subs.

Assuming that your subs are 4 ohm, you could probably get more sound by driving just one of them on the bridged terminals. But to get the best power with what you have, connect one sub to each channel, set the filter switch to the far right (LPF), set the operation switch to stereo (both channels driven), set the filter frequency (Hz) to 100 or lower, and adjust the input sensitivity as far clockwise as possible without causing distortion.

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1 thing to look for in amp mfg's. Look for those who rate their amps in RMS power. This is the true output rating. Many amps are rated in peak-to-peak which seems great but doesn't tell you the real story, unless you know how to do the math to determine the RMS. The better mfg's will take the time to test their amps & rate them properly. Also look for massive heatsinking (the cooling fins). I consider cooling fans to be a benefit as well.

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