Question about Alpine MRP-M350 Car Audio Amplifier

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Cant turn up the music witout the amp shuting off

Amp usta work fine then one it was play and shut off. fuse was blown and amp was realy hott. replaced the fuse and it worked but them i couldn't turn up the music. the amp would stay on but no sound would come out. n e solutions?? email me and the_grove_skater@yahoo.com

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This problem is becoas your amplifair is dead moust schenge your amplifaier

Posted on Apr 04, 2007

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Look insayd tz100 is dead replaeis end troae egayn

Posted on Mar 30, 2007

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Posted on Jan 02, 2017

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1 Answer

Hello, im having problems with my Audiobahn a2300hct amp. Ive bought it from ebay, putted in my car, added my sub wirred on 2 ohm. It had pumped it for about 5 mins, and then went into a protection mode....


HELLO THESE AMPS ARE FAMOUS FOR DRAWING ALOT OF CURRENT AND IF YOU PLAY THE AMP WHILE THE VOLTAGE DROPS FOR TOO LONG YOU CAN FRY THE AMP BUT AS FAR AS THE SECOND AMP NOT WORKING AS WELL YOU MAY HAVE A PROBLEM WITH THE RCA'S OR THE OUTPUT ON YOUR HEAD UNIT WENT BAD OR YOU HAVE A BAD GROUND CHECK ALL FUSES THEN CHECK THE GROUND WIRE TO MAKE SURE ALL PAINT HAS BEEN SCRATCHED OFF AND THAT IT IS CONTACTING BARE METAL THE ONLY OTHER OPTION IS FIND A FRIEND THAT HAS THEIR WIRES RAN AND HOOK UP YOUR AMP ON THEIR SUB IF IT WORKS THEN TRY IT WITH YOUR SUB IF IT GOES INTO PROTECT THEN YOU MAY HAVE A BLOWN SUB CAUSING THE SHORT HOPE THIS HELPS THERE ARE ALOT OF OPTIONS START WITH THE WITH GROUND AND GO FROM THERE

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Planet Audio PX1500M Amplifier Problem


Check the FUSE to ensure that current is not cut off.

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Just installed hott rod to camper and it keeps blowing fuses what's wrong


A six gallon universal style hott rod, is supposed to draw only 4 amps when heating. What you need to do is double check any other items running on that same circuit. Not uncommon for people to plug it in to outside GFI and then find out that GFI protected receptacle near sink inside is on same circuit, and they are using that for coffee maker, or hot plate etc, which will in most cases overload the circuit.
Shut that circuit breaker off, and see what else isn't working then do an amperage draw calculation to see if you may be overloading it. If no chance of overload, then you may want to re-check how you wired it in case of a short, or loose connection. If all that checks out good, then I'd look at the hott rod itself as the culprit.

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My Rocker 30 has been working just fine up until now. I go to turn on the amp and I get no sound whatsoever. The tubes and ht fuse are fine. I've looked at some forums online and they say the fuse might be...


Apparently you have tested the tubes on a tester and usually there is a pilot light that would not be lit if fuse was blown.

Common problems are bad jacks and switch contacts on power amp INPUT or INSERT jacks. Also circuit board cracks and bad solder joints are fairly common, especially where volume controls attach to the circuit boards.

More expensive things are things like fried speaker if volume was played too loud. An ohmmeter test of the speaker would tell if the voice coil has blown.

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1 Answer

I was driving down the road and the adio just shut off on my kvt911dvd. no noises or electrical smells, it just quitely shut off. it still works fine and the video will still play just no sound. any...


it could be a couple of things. a speaker could be bad causing the internal amp to shut off. or, the internal amp itself may be bad. i know the new kenwood recievers will say "protect" when something like that happens. then again if youre vehicle has a amp from the factory, the fuse could have blown or the amp could be bad. check all the fuses in you vehicle and see. you may get lucky.

Dec 15, 2009 | Car Audio & Video

1 Answer

Radio turns on but wont play any sound


you may have blown the out put chip in the radio

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Signal lights


its the multifunction switch gone bad

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"mecha error"?


i've dismantled my system found the top fuse had blown on the transformer also aligned the cd tray all works sweet now wahoo :)

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1 Answer

Unit blows fuses


its a short in the power supply but ist realy care?, whats the price of this unit?...good luck

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