Question about Pioneer GM-7200M Car Audio Amplifier

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Pioneer GM-7200M 800 Watts Mono Amplifier

I was wondering what size power wire is recommended to power my Pioneer GM-7200M 800 Watts Mono Amplifier. I have this amp powering 2 12" MTX 4500 Thunders. I had a smaller wire connected to it and it would kick in and out and then eventually just stop. So i connected a wire that was a little bit bigger and it did the same thing. I was a little concerned that something could be wrong with the amp. but then again i wasnt sure if i just needed a bigger wire.

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You Amp is overloading and going into protection mode. if it cuts out with the wire u were using first then their would be no need to upgrade the size of ur wire cause that would only be, doubling or trippling the power u are getting threw those wire now. bottom line the 2 subs u are using are obviously to much for the amp. try dropping the OHM's by connection the subs together and runnig just a single positive and negative to the amp! or just get a better amp

Posted on Jun 10, 2009

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Turn the gains down, it is turning off so that it does not malfunction. It is in the users manual. Hopefully this works if not sorry dude

Posted on Aug 05, 2008

I have this amp and i use 4 gauge power and 4 gauge ground

Posted on Apr 12, 2008

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The 800W rating is peak, which, unfortunately, means very little. But the RMS rating is 360W. My amp is considered a 500W amp and they recommend 6-8AWG wire for power and ground. For yours, I would say 8AWG should be about right (although larger wire is always welcome).

Posted on Mar 19, 2008

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1 Answer

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Something is def. wrong. did you check the fuses on the amp after the light went out? probly have a bad connection somewhere. check ground wire and power make sure they have a good connection and arent cut up and shorting out.

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Hiya, first check by triggering or powering the amp manually by putting a voltage at the trigger. Just use a jumper from power. If the amp comes on then check the feed from head unit. Loose wire, inline fuse near the head etc.

If it still doesn't come on the hate to say its gonna have to go in for repair. Could be anything inside from protection, blown track etc.

Hope that helps

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1 Answer

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YEA CHECK THE OHMS ON THE SUB TO MAKE SURE THEY MATCH UP TO THE AMP JUS SOUNDS LIKE THE WIRING IS OUT OF PHASE.

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Check your GROUND wire might be touching something and making bad contact.

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1 Answer

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it could be the amp it could be the way you've installed and if you have a sub in an enclosure the wires could be touching the postive and negetive speaker wires what ever the problem is the amp is in protection mode i hope this helps hope its not the amp i hope its just the wiring

Jun 05, 2009 | Pioneer GM-7200M Car Audio Amplifier

1 Answer

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This happened to me make shure that you check fuse underhood/ and the fuse inside of the amp.

Jan 11, 2009 | Pioneer GM-7200M Car Audio Amplifier

1 Answer

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You may need a new power supply inside amp. If you where running speakers with to many watts it will burn up the power supply. Try unplugging all wires. Replug them in also check fuse underhood and inside amp

Dec 12, 2008 | Pioneer GM-7200M Car Audio Amplifier

1 Answer

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If you are using a GM-7200 amp, it should sound great. Both the amp and the subs are rated at 800 watts so be careful not to overload the bass by turning them on full power. It is good practice to have a slightly lower watt amp than the subwoofers. If you can power your rear speakers from the amp, that would take away some power to prevent the subs from overloading. Overall, you should get a nice THUMP!!

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This may have a different type of triggered turn on wire. On some of the older Pioneer amps (and maybe some new ones) the trigger wire would SUPPLY B+ TO THE RADIO and when the radio was switched on the amp would sense a current draw on that wire and would then switch on. Unlike most common amps which sense the presence of B+ on the trigger wire supplied by the radio and then turn on. Look in your owners manual to see kind of turn on system you have. If you don't have an owners manual then perhaps you can download one from Pioneer support. good luck

Aug 23, 2007 | Pioneer GM-7200M Car Audio Amplifier

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