Question about Kenwood KAC-9103D Car Audio Amplifier

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Power from the kenwood 9103D to the Kicker comp 15's is on n off

I turn the amp on and turn the volume control up and it will hit for about 1 minute and the bass will go away, turn the head unit off and then on and the amp will hit again but only for a short time, im runnin 8 gauge wire from my brand new optima red tob battery with no capacitor to the amp... could this post a problem???

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  • chevyridinhi Nov 21, 2008

    sorry... forgot to mention im runnin the Kenwood 9103d to 2 kicker comp 15's (4 ohms)... i talked to a couple ppl today and they recommended going up to a 4 gauge battery wire...

  • Carlo Brincat
    Carlo Brincat Mar 30, 2009

    I have the same problem, when I thickened the wire it improved but it is still cutting. I've connected the amplifier with a dual voice pioneer ts-w3001d4 on 2 ohms. I think that the problem is that it is not 2 ohm stable and gets hot and cut till it cools up abit. I am going to sell the amp and buy a rockford.

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Might be the amp. i hooked 1 up today 9103d on 2 12's at 2 ohms. set the gain at 4 volt 2 match the deck pre output. plays real well till it over heats and shuts off for 30 secs 2 one min. 4 gauge wire

Posted on Aug 03, 2009

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Most times I hear of people turning up the volume on a head unit and cutting off on the amp it tends to be wired to a speaker with the wrong impedance. I googled kicker comp and got tons of different models, not to mention almost all of them were 250 watt rms. That amp is 900 watt RMS at 2 ohms. If you only have 1 woofer, you can't possibly wire it wrong being all the subs I've seen in the results were 4 ohm. If you are using just one though, you should get a larger speaker, both 2 ohms and 1000 watt rms to prevent distortion. I'm afraid I can't answer your post without further information on the sub you are using.

Posted on Nov 21, 2008

  • ragonamuffin Nov 21, 2008

    If you have a multimeter, I would test for voltage sag. I don't see a display on the amp, but it can be useful. If you have a multimeter handy, I would check that. If not, you can try running thicker wire. You seem to be in the clear if you are only using 2 4 ohm subs. I can almost guarantee you have it wired the right way, but just to make sure, I posted a link. But yes, the people you spoke to are most likely correct, although this site suggests even higher! I don't think your alternator, or your subs could take 900 watts, so 4 gauge should be fine.

    http://www.cardiscountstereos.com/WireGu...
    http://akamaipix.crutchfield.com/ca/lear...

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