Question about Kenwood KAC-9102D Car Audio Amplifier

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Amp keeps overheating

I have the kac 9102d model amp from kenwood and my problem is that the amp keeps going into protection mood when I'm pushing it I'm running 4 guage to it and i'm only running one single mtx 7500 at 4 ohms. my question to you is where do i look for the problem

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Try to turn down the volume??? LOL No really most likly the voice coil is overheating on the speaker, or the unit is over heating. Try to add a fan on top of the unit as I found this on high powered units, that they are being push hard and getting hot. Is the amp really hot when it does this? If it is then its a normal thing as not enough venilation. if its not hot then theres a problem in the amp and should be bench checked by a pro with load resistors and a tone generatoe as well as a scope to check if theres a clipping problem in the output stage.

Posted on Sep 02, 2006

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My amp is a kenwood kac-9152d it goes in to protection mode soon as you hook up the power


In protection mode do you mean the light comes on and it plays music and stuff? If that's the case, that's what the amp is supposed to do. Protect itself from a power surge

Feb 21, 2010 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Amp goes dirctly into protect


ok well it could be two thing wrong your amp dont have a good ground or your amp is a smar amp and your subs must have to be hooked up so the power from the amp cn go to the subs so the amp can see that you do have subs hooked up to take it out of protect o and look at your fuses to to smal or to big will send it to protect to

May 19, 2009 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

HAVE A KENWOOD AMP MODEL KAC-9102D . iT KEEPS SHUTTING OFF WHEN i TURN THE RADIO LOUD. ANY SUGGESTIONS


either bad ohm load or over heat if the ohs on the speaker wires to the amp are lower than specified use in the manual it will act funny cause it is pusing harder than its meant to and if it gets too hot either bad location or bad amp you can try turning the gain down a little until the amp stays on constantly at high volume

May 18, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

To bridge a Kenwood KAC-9102D


Hello laurogleal,

The Kenwood KAC-9102D is a mono amp. There is no bridging. Having two sets of terminals is just a more convenient way of connecting two subwoofers. The amp is stable down to 2 ohms impedance, so it is safe to run 2 4 ohm loads in parallel.

Hope this helps.

Apr 28, 2009 | Kenwood KAC-9102D Car Audio Amplifier

2 Answers

Running 2 amps


amps could be overheating or the subs could be requiring more power then the amps are giving off.

Apr 01, 2009 | Kenwood KAC-8452 Car Audio Amplifier

2 Answers

1 amp cuts off


i had this same prob. & i run 2 amps as well, cameto find out i had a neg. & positive touching , so check all ur wiring for tht amp..

Apr 01, 2009 | Kenwood KAC-9102D Car Audio Amplifier

2 Answers

Amp Turns on... then off


unplug all speakers and see if it still into protect .If unit powers up normally without speakers , then hook up a temporary speaker directly to speaker out to see if you have output.If it works .Then check speaker cables and speakers for shorts.Also make sure you have good ground and main power and standy are present.

Nov 30, 2007 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Voice coils


if you push a sub too hard for too long the varnish on the coil windings will melt, causing parts of the coil wires to short toghther. This will change the impedance of of sub (or speaker). Since the speaker is hooked up to the amp and the amp requiring a steady impedance (usually 4ohm or 2 ohm). if the coils go bad , the impedance will change, the amp hopefully will go into a protect mode, if not the amp will damage itself. Warranty does not cover overpowering a sub of amp (if the can tell it was.) hope this helps.

Nov 10, 2006 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

Amp overheating problem


Here is the link for the user manual for your amp if you need it; http://akamaipix.crutchfield.com/Manuals/113/113KAC9102.PDF The protection will only cut in at a certain temperature - usually around 80-90 degrees celsius right on the inside of the case (sometimes higher) - temperatures on the outside will not reach this high so long as there is adequate ventilation. If the overheating problem you are having is severe enough, then the protection should activate. Hope this helps :)

Sep 03, 2006 | Kenwood KAC-9102D Car Audio Amplifier

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