Question about Kenwood KAC-9152D Car Audio Amplifier

3 Answers

Won't Turn On--- Positive, Negative touched

Well I am not sure why but i was hooking up a new sub,, MTX 9500 15 (not sure if that matters) I had to unhook the power to get the speakers wired so I did and then when i was putting the power back on and it sparked because the positive and negative touched. Now my amplifier will not work at all, I hooked it up to a different car to see if it was the remote wire but did not work. I do have a farad capacitor hook up to the amp.

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  • Gell Sep 06, 2007

    I tried this but it did not work so looks like I will just have to take it in unless someone has another idea thanks for the help though

  • Gell Sep 22, 2007

    I tried to hook it up without the capactior but it still didnt work. Not sure why still :-\

  • CityKidd Nov 16, 2007

    Did the same thing touched negative to positive but light on amp will only come on when you wiggle the fuse in and out and the light comes on then fades out slowly.

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3 Answers

Change your fuse

Posted on Dec 28, 2007

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I've had the same problem, what happened to me was i blew some diodes in the amp and it had to be sent to kenwood for repair.

Posted on Sep 28, 2007

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  • 11 Answers

Gell...it sounds to me like you may have fried the capacitor...try hooking it up without the capacitor in line,and check to make sure the in line fuse on your power lead is ok( usually in theengine bay) and also that the fuse on the amp is ok too.

Posted on Sep 06, 2007

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1 Answer

My mtx thunder 421d I just got has the red light staying on all the time, I have hooked up a rca converter and the amp wont play my sub, is that light supposed to be red all the time.


The LED should be red. If you are not getting power to the sub, make sure the speakers are connected properly to the amp. Also make sure that the gain control is turned up. If it is all the way down, you will not hear anything from the sub(s). If none of that works, it is possible that you have a blown sub. If you smell a burnt smell near the speaker magnet, there is damage to the voice coil in the sub.

Feb 25, 2011 | MTX Thunder 421D Car Audio Amplifier

2 Answers

Amp is all hooked up and installed but sub is not making a sound. Problem with sub or amp?


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Double check all connections. GOOD LUCK. A thumbs up would be greatly appreciated if this answer is helpful to you. Worth fixing.
amp-all-hooked-up-installed-but-sub-not-flhv0giodkaywsjitcb2uyf1-2-0.jpg

Dec 01, 2010 | MTX JackHammer JH300 Car Audio Amplifier

1 Answer

How can i bridge a mtx 9500 using a mono amp?


You cant bridge it to the MONO AMP . You can only bridge subs & speakers to 2 CH & 4 CH AMPS that are bridgeable. Because if it appears that there is 2 channels on a Mono amp its so its convenient for you to hook up 2 4ohm subs to it easily But both channels are actually connect internally together in parallel inside the amp unlike a 2 channel they are separate.

So just connect your mtx 9500 to a plus and a minus and doesnt matter which since all the + terminals of are connected together and - are connected together already.

Whats important is on the side of the sub/box it reads 2 ohms. The lower the ohms the more power the Mono amp will put out. Mono amps are designed to handle 2ohm loads.

If it reads 4ohms The MONO amp is the wrong amp to use cause the power will be weaker. So if you have a 1000 Watt Mono amp at 4ohms the sub will only get 500 WATTS Max while a 2 ohm will get the full 1000 Watts.

If it reads 4 ohms connect it to a 2CHANNEL AMP and BRIDGE IT (connect + of the sub to 1st channels positive of the amp then connect - of the sub to 2nd channels negative of the amp) . The power will be doubled when you bridge it on a 2 channel amp. NOW if it was a 2 ohm sub and you bridged it to the 2 channel amp it will fry the subs and ruin the amp. 2 CHANNELS CANT TAKE A 2OHM LOAD BRIDGED OK.

Apr 08, 2010 | MTX (SLH-T7512X2-A) Car Speaker

1 Answer

Can you help with my wiring?


The more amp you are pushing the better. Better too much amp then not enough. How many watts per speaker? less then the amp I hope. When you need decibles the more air you push the louder it will be. Enclose in a MDFB enclosure or plexiglass and feed towards each other and port the box to the sides. This will cause some annoyance. We ran 2 rockforts @1000 watts and abtained 137dc before the back windshield blow out,,lol

Mar 09, 2010 | MTX 6001 Car Audio Amplifier

1 Answer

I have an MTX Jackhammer 600. I just took out my subs, replaced them with new subs with the same parameters in the same box and they have low volume and distortion. The only wires unhooked were the speaker...


Hi,
If you replace the speakers with the power on, then you probably burn the output transistors in you Amplifier, if that is the case you have to take it to a repairshop, there is nothing you can do to fix it.

If that`s not it, then try this, make sure the power is off, unplug the wires from one sub and switch them, for instance put the red wire where the black one was and visa versa, leave the other sub alone.
If this does not work put the wires the way they were. Hope this helps. good luck

Dec 19, 2009 | MTX JackHammer JH600 Car Audio Amplifier

1 Answer

Sub will drain all the sound off the front speakers


if you have both amps connected to the same power wire this will happen...run another power wire to the alpine and this should solve the problem.

Jul 25, 2009 | Rockford Fosgate Punch 301S Car Audio...

1 Answer

Wiggle the positive wire to get power and have to unplug subs to turn car off


Ok it sounds to me that your remote wire is not hooked up right casue if you trun your car off then your amp should power down an when you trun your car on it should power up

May 07, 2009 | Car Audio & Video

1 Answer

Mtx 7500 sub


what amp are u usin?What enclosure 4 speakers do u have?Might not have enouigh voltage 4 the amp.How big are the wire for power 2 amp?what ohm are you playing ,is it compatible to the woofers.Need more info.Model and makes please,but 1st a rating.

Jun 16, 2008 | MTX Car Audio & Video

2 Answers

Fuses


Check the ohm measurement of the speakers make sure they are about the rated ohms.Check them UNHOOKED from the amp. (Useually 4 ohms.)

Try different subs.

May 25, 2008 | MTX Thunder 3401 Car Audio Amplifier

1 Answer

Car audio


hi, your amp seems to be getting power but the cables might be wrong so it's not getting enough power. the light on the amp should be green if everything is going well. are you sure the cables are suitable for your amp?

Sep 11, 2007 | MTX RT202 Car Audio Amplifier

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