Question about MTX tn250/1 terminator 1x200w amplifier class d

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No power to MTX TN250/1 Amp

Lost my license, so I left my car sitting in the driveway for 6 months while I was away at college. Meanwhile, my car's trunk accumulated a good bit of water - apparently, Maximas are notorious for having faulty weather stripping. Came home to retrieve my car, hopped in, and noticed the subs didn't hit. Initially, my gain knob's light dimly flickered, and amp's lights flickered, as well. When music was playing, the subs made faint, rhythmic popping noises. However, now, a few months later, neither the knob nor the amp show any indication of life. Can't find the manual for my amp, and I haven't had any luck finding one online, so I don't have a clue whether this is an issue with the amp or the subs (or both) - could this just be a blown fuse, or could condensation in the trunk have seeped into the amp and the subs? I'm planning on heading to the store tomorrow morning to grab a voltmeter, but I have no idea what I'm supposed to be looking for. Wish I had the opportunity to install these bad boys myself so I could know what the hell I'm working with, but they were received/installed as a gift.

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Depends how much water is a bit of water, if the water is inside the amp chances are its fried.
And just to clarify, you've been driving it for a few months with faint popping noises and the subs not working but your door/tweeters working? If so your amp is probably receiving the input for sub sound.
When you get your multi-meter, you want to test from the thick probably red wire to ground to check for your 12V that comes direct from the battery. If you have this, you may have to take the cover of the amp to bits to get to the circuit board, and check there are no moisture deposits or a 'furry like' gunk across any of the circuit board.
There may also be a fuse inside your amp that could have blown due to moisture.
DISCONNECT YOUR BATTERY BEFORE YOU OPEN YOUR AMP or the slightest slip could shock you, or worse totally frazzle your amp.
Easiest way to check your sub would be to back a mates car up to yours and whack your wires from your sub to your amp into his/her amp, and check the bass sounds ok. But with no lighs on your amp i'd start there.
Hope this helps

Posted on Feb 11, 2014

  • realcharliew
    realcharliew Feb 11, 2014

    Ah, I'll try that - thanks for the info! Turned off the subs, disconnected the amp from its power source after I heard the popping noise, and they have remained off in order to ensure no further damage is done. Turned them on for the first time in a few months yesterday to see if my silicon gel drying method was successful. Door speakers/tweeters have been working well, and there wasn't a significant amount of water in the trunk, but certainly enough to make the carpet damp & form condensation during the heat of summer/fall. Car still carries around a faint odor of wet dog.

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You need to think about a better platform : linux for example

Posted on Feb 11, 2014

Testimonial: "I don't think that's relevant. However, I do use Bodhi Linux on my programming PC, but I'm normally a Mac guy."

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