Question about Sony XM-2200GTX Car Audio Amplifier

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Playing my music, then amp goes out? anyway to fix it?

I was in my car playing music(about half way volume) not too loud then i switch a song and the amp goes out. the LED light will not even come on and its pushing no power. is there anyway i can diagnose the problem or fix it without having to buy a new amp?

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Re: playing my music, then amp goes out? anyway to fix...

Looks to me like u are having a power problem. Check if power is going to your amp, if yes, check the fuse on the amp. If ok, check the powersupply section for any damage components and replace.

Posted on Dec 18, 2006

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My amp turns on good but after a while of too much bass causes a ugly sound too loud what could it be? Can it be repaired?

If you have over driven the amp by playing it real loud with the bass control turned up, it is very possible that you have toasted the output stages of amp.
Every time you boost a tone control by 3 db you have doubled the output power at that frequency. So if you are "coasting" along at a nominal 75 watts, the moment you boost the bass by 3 db the amp has to put out 150 watts at that low frequency.. Go to +6db and now the poor amp has to kick out 300 watts! And so on.

Rule of thumb - you never use your tone controls at very loud levels. Tone controls are there to compensate for the poor frequency response of the human ear at low volume levels - the Fletcher Munsen effect. At low volumes our hearing with the lows and high frequencies so when you play something at low volume you boost up the bass and treble to compensate for poor hearing. At loud volumes our ears respond properly.

Sep 12, 2015 | Car Amplifiers

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When i turn my music up loud, my amp goes in an out of protect mode, why?

It is being overdriven. Reducing the volume level probably will help

Nov 04, 2012 | Virtual Reality VR3 Car Amp

1 Answer

Jl 1000/1 goes into protective mode with low frequency

Do you have a capacitor????? If not, when its up loud and hitting hard it might be going into protection because of a voltage sag....If it goes below 11.8v they will usually do that.....Get a multi meter and put on the hot and ground of your amp when its playing loud and see what the voltage is dropping to.....If its going below 12v, thats your luck....

May 02, 2012 | Jl Audio 1000/1 Car Audio Amplifier

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the polarity's are backwards just change the positive and negative connection on one speaker not both or switch it at the amp whichever is easier but only one

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It indicating that the power output is too loud and possibility of speakers may get damaged if played at this volume for long periods. When the loudest sound is played the led light mightshow its loosing its brightness and dims in time with the sound level.......................sodeep

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1 Answer

Kenwood amp kac-x401m

How long will the bass play before the amp kicks into protection mode and how loud are you listening to it? I've noticed with my amps that if they don't have enough air flow they will get hot and kick into protection mode. They will also kick into protection mode if you are running it at more than it can handle. Check your adjustments on both your amp and the head unit. Make sure you are not running more bass than the amp can handle.

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My pyle amp keeps going into protection when i turn my music up and play it for a min

The most common cause is an unsafe load/speaker impedance. If you have the speakers wired correctly, you may have a short in the wiring. If the wiring is OK, the amp is likely defective

Let me know if you have any other questions.

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If this occurs with the head unit plugged directly into the amp (no signal processors inline, you probably have open shields on the head unit.

To check the shield ground, disconnect all RCA cables from the head unit and measure the resistance between the RCA shield on the head unit and the case of the head unit. It should read ~0 ohms.

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