Question about Kenwood Kac-7252 2-channel 1000watt Power Car Audio Amplifier

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Ihave a keenwood kac 7252 amp that is running two mtx thunder 4500 12`s but amp fuse keeps blowing at higher volume why?

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1.-check proper heat sink, or dissipation.
2.- check speaker impedance. Must match between amp and speakers.
3.-low power line on the house may cause low efficience work on the amp, overheat, and finally fuse protection.
4.- finally, check speaker wires. Thin cable overheat amp too.

Posted on Dec 08, 2014

  • Planeta Tres
    Planeta Tres Dec 08, 2014

    1.-check proper heat sink, or dissipation.

    2.- check speaker impedance. Must match between amp and speakers.

    3.-low power line on the house may cause low efficience work on the amp, overheat, and finally fuse protection.

    4.- finally, check speaker wires. Thin cable overheat amp too.

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What is best way to wire 2 mtx thunder 4500's to a kenwood kac-7205? thanks! james


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http://www.crutchfield.com/S-cgSECUmngLm/learn/learningcenter/car/subwoofers_wiring.html

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Sounds like the subs are blown with the voicecoils fused together which means the amp is/was seeing a dead short ( zero Ohms reisitence) not good for any amp. Disconnect the speaker terminals from the amp and see if it turns on. The funny smell might have been the subs blowing up, i'll keep my fingers crossed for you.

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Your units drawing too much current. it could be a wireing problem, a speaker problem, or the amp has a problem. the correct way to troubleshoot this would first do or have the amp bench tested. Or you can remove all the speakers and wires and turn up the amp. If the fuse still pops,have the amp serviced. Good Luck

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