MTX Amplifier keeps going into protection mode?

Written by djchill08 in Tuesday, November 25, 2008 under Car Audio
Comments: 3

Q: Alright, so I have 2 MTX 3401 amplifiers hooked up to a Stinger capacitor, running 2 MTX 7500 subwoofers independently. I have a professional bi-amplifier wiring kit installed correctly, including proper ground and positive splits, and a voltage read out. The problem is sometimes one of the amplifiers drops out after working only a little bit, even if I just started the car. It recently started to do this when it got cold out, so I dont know if that has anything to do with it. The amplifier...

A: your gain (input sensitivity setting) is too high, its used to maximize clean signal strength from your amp, not volume or power

Set the input sensitivity controls of your amplifier to their minimum level (counter clockwise).
Put in a CD and turn the receiver's volume control up (you might have to raise the amp's gain just a bit to hear the music).
When you hear distortion, stop. Turn the volume down until it disappears. As much signal as possible is passing from...

Comments: 3

mygif
keepinitoldskool Said in Tuesday, November 25, 2008

there is probably a short in the load (either there is a fried speaker, passive crossover, or in the wiring)

mygif
Nareshkumar Rao Said in Tuesday, November 25, 2008

Just Google It

mygif
Christina P Said in Tuesday, November 25, 2008

My Mtx amp did something like that;
It was the speaker's pole moving inside the voice coil (shorting out just a little). The amp was protecting itself.
All I had to do was turn off the stereo for a minute and it would start working again, If I hit a bump in the road or played it loud it would shut off again.
try switching your speaker wires from one amp to the other see if the same thing happens to the other amp.Or if you don't risk hurting your other amp take the...

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i have a new mtx jh1200 amplifier. it was professionaly installed and has worked fine for a few months. i also have a capacitor going to it. i was driving down the steet and it stopped working i hit bumps also but i have many times and was fine. when i opened the trunk the over voltage light ( i think it is yellow light with lightning bolt symbol) was going on and off and subs would pop in and out with the light i check wires and still wont work need HELP!!!!
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