Question about Kenwood Car Amplifiers

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Car sound system

I currently have two Kenwood KAC-8103D amps and two Apline type R's and I trying to wire them up so the one amp powers one Sub but i dont know how i should have the imput set up. I had one side(red input wire) going into one amp and the other side(black/white input wire)into the other. When its on the configuration the subs sound horrible but as soon at i unplug one of the side it improves hundred fold. how do i fix this and if theres an easier or better way please let me know.

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You probably have a phasing problem. Reverse the speaker connections on ONE of the amps.

Posted on Sep 29, 2008

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My light on my Kenwood Kac-8103D amp is constantly on red and nothing is coming out? How do I fix this


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HI DUDE UR REMOTE WIRE FUSE IS BURNT .... REPLACE IT ... AND UR SPEAKER ... OR SUB TAKES LOT POWER FROM AMP .... ....

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1 Answer

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2 Answers

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Apr 08, 2009 | Kenwood KAC-8103D Car Audio Amplifier

1 Answer

Kenwood KAC-8103D short?


sounds very similar to something that has happend to mine. if you check the fuses in the amp and they are fine, i recomend replacing the fuse in the power wire. if you are using the glass tube type fuses, sometimes the soldering at the endcaps melts, but the filament doesnt pop. the fuse appears to be fine, but isnt. that happend to me a few times. i had to upgrade to ANL type fuses

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1 Answer

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if you see that happen you might need to your i c sound chip or your trasistor change then and check

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1 Answer

Protection Circuit


Yes, always a good idea to use a wire wheel and drill to get a super clean place for your ground. That was going to be the first thing I suggest. I would use a meter and see how many ohms the subs are at right now. It may be two low and there is too much current demanded form the amp at once. for a good sub wiring guide, go to
http://www.crutchfield.com/learningcenter/car/subwoofers_wiring.html
Don't forget to leave feedback.

Jan 23, 2008 | Kenwood KAC-8103D Car Audio Amplifier

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