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Some simply shut down and the power light will not illuminate when in protect mode. If the power light blinks then goes off, the amp is either going into protect ...
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https://www.youtube.com/watch?v=DQ1bdsm6s2c
Apr 24, 2013 - Uploaded by Nathan West
My MTX 600xd amp light won't even come on. ... Red light comes on. ... one.. and some times it goes into protection... once I turn the car off...
red and green light? there is most likely a protection and a power light. The red I assume would either be a protection light or a clipping light signal. Does the amp kick off then these lights kick on red then to green?
I suggest checking what ohm load you're presenting to that amp. go to www.the12volt.com and find the subwoofer wiring diagram and choosing the amount of subs you have on it and then the impedence of each one. you're probably sending too low of an ohm load to the amp this would cause it to go into protection quite frequently and eventually stay in protection.
make sure your ground is drilled threw thick metal and the paint is scraped off and make sure that all the wires connecting the amp are 4 gauge or higher and if that doesn't do the trick get a better amp that can throw more power
check your amp and speakers and make sure their both hooked up 4 ohm instead of 2 ohm because if you have 1 set of voice coils on your speakers they can only be hooked up four ohm and not bridged to your amp because if you keep trying this you will lock up your speakers if the speakers are only 4 ohm than just hook them up regular to each channel on your amp if your trying to brigde four ohm speakers to your amp it will keep going into protect or worst case scenario you will fry your speakers and you can check your ohm with a ohmmeter trust me my brother owns a stereo shop
Check your speakers with an ohm meter. They should have some resistance but not totally shorted. Its prob the amp that got fried. Connect the amp to the battery with no speakers attached to it if the protection light still comes on then the amp is blown.
If the amp is blown you can send it to people on ebay and get it fixed pretty cheap. Good luck!
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