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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it sounds like the power wire might be grounding out somewhere that you dont know of it could be by the fuse link so I would say put electrical tape on any exposed wire on the fuse link first if that don't work try change the power wire.
probably popped a diode in the amplifier circuit. The thumping sound is most likely power feeding back through the circuit, so it will have to be replaced professionally unless you have acess to the proper soldering equipment for IC boards. Hope this helps, even though it is bad news
Check your ground and make sure it is grounded to metal in your car with no paint. Also, make sure you are running 4 gauge power wire. Another possible cause could be that the ohm load is too low on the amp. Also, if your car battery drops below 10v it will send the amp into protection.
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
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.