amp failure?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=113630
Printed Date: September 13, 2025 at 4:36 PM

Topic: amp failure?

Posted By: dannyszu
Subject: amp failure?
Date Posted: May 06, 2009 at 10:55 AM

Hey all, I have a 95 Integra with a 12" Bassworx (500w), and a 600w MTX Thunder, with a 1 farad cap and 4 gauge wire. Everything appears to be working, the light on the amp is as it should be, the cap reads 14 when car is turned on...I looked at all the wires, sub in and outs are as they should be, wires to the sub are in order...no fuses blown. What are some possible problems with this, I'm hoping my amp isn't messed, should I get a bench test as well?

Replies:

Posted By: DYohn
Date Posted: May 06, 2009 at 11:02 AM

You stated that everything is working... so what's the problem?

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Posted By: dannyszu
Date Posted: May 06, 2009 at 5:36 PM

Ahhh sorry, everything appears to be working but the sub is not moving...no sound, nothing.

Posted By: joch1314
Date Posted: May 06, 2009 at 7:00 PM

Have you metered the subs to make sure they're not toast? What about the signal from the deck?

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Posted By: pheonixgd
Date Posted: May 07, 2009 at 4:44 PM

Did you buy them brand new?...
Every time I have blown a sub, you can usually smell a nasty burning smell from the magnet/ voice coils; and as well, if you push the sub with your fingers it wont move back and forth properly it will feel jammed if its blown.

Another thing to check for is to make sure your ground is properly grounded, if it isn't it will cause your amp to cut out or not work at all even though the light may come on posted_image

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