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HELP!!! Problem with amp

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Old Jul 31, 2006 | 11:35 AM
  #1  
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Unhappy HELP!!! Problem with amp

I relocated my amp and capacitor this past weekend from the trunk to under the passenger seat since it kept overheating. I wired everything exactly how I had it before except I had to use smaller gauge wire from the amp to the subs since that was all I had at the time. Now everytime i turn up the volume to a certain point the amp emergency shuts its self off. The subs will play at that volume until the subs are suppose to hit hard then it'll cut out (it'll do it at the exact same spot on a song). I have to turn the amp off and then back on for it to start working again. My question is does anyone know what might be wrong? The amp is grounded to the body so I do not think there is a problem with it. I'm not sure if the gauge of wire I used from the amp to the subs is a problem. Please Help! The amp is crappy 480watt Sony if that helps.
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Old Jul 31, 2006 | 05:06 PM
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what size is your guage....the sub wires? (amp to sub) did you hear any clipping noise?
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Old Jul 31, 2006 | 05:20 PM
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Disconnect the subs from the amp and put the same song at the same volume.

If the amp stays on run a new wire outside the car to the box and test again. If it doesn't happen check your cables to the amp. You could have crushed a wire causing a short that is causing the amp to protect under load.


If it doesn't happen with the new speaker wire you shorted the speaker wire when running it or you are seizing a voice coil when playing. You can use a test speaker or ohm meter to check the speakers.

OR the amp is busted.
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Old Jul 31, 2006 | 07:46 PM
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The problem may actually be that I shortened the power to the capacitor and the power from the capacitor to the amp. This should give more power to the amp since it is closer to the battery and causing an increase in voltage to the amp. So when I have the sub volume on the equalizer turned up it causes too much power to go to the amp causing it to turn on the emergency shut off. I think the problem will be solved by turning the sub volume on the equalizer down (even though this was not a problem before). But I'm not sure because I am definitely not an electrical expert.
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Old Jul 31, 2006 | 07:47 PM
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The gauge right now from the amp to the subs is 16 gauge. I talked to a few ppl and they said that the gauge of the wire should not have a dramatic effect from the amp to the subs.
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Old Jul 31, 2006 | 11:48 PM
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First get rid of capactitor, they dont do ****. 16 guage is pretty thin wires. get 10 or 12 guage for speaker. since yr amp is SONY XM-280GTX right?
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Old Aug 1, 2006 | 05:03 AM
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check to see if you have a wire loose on the inside of your box from the sub to the terminal. the other thing is it might be getting ready to go, for some reason everytime that happens to my subs, they seem to be taking to my power and pfffff their done. not sure if thats the case but it was w/ mine a few times
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Old Aug 1, 2006 | 05:55 AM
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Yeah it is a SONY XM-280GTX I'm planning on getting thicker gauge wire but haven't had the time yet. The capacitor does keep lights from bouncing in the car since it is a reserve power source for the amp to draw from. Plus I plan on wiring another amp up to it for the door speakers. I hope my subs are not aobut to blow...but I guess I'll find out
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Old Aug 1, 2006 | 07:10 AM
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Speaker wire gauge will not cause a problem. Music is AC voltage. Disconnect things one by one unitl the problem is gone then fix it.
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Old Aug 1, 2006 | 09:45 AM
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if i can make one suggestion it would be to unplug one of your subs and see if it comes back on, maybe you blew out a channel on your amp and its trying to draw from one source. speaker wire makes no dif. if you are a dog maybe it will but there is such a miniscual dif between wires that its just what you got money for. did you buy the subs under warranty and install them yourself or did someone do it for you, maybe you should check w/ them if you did or bring back the subs and say they keep cutting out, also, do you have multiple fuses on your amp, in the process of moving your amp its possible that re wiring it back up that u didnt ground first or something along those lines and you blew a fuse. try that one too. sry this is all mumble jumble but i wrote as i was thinkin of new things :-D
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