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one channel on amp not working

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=118410
Printed Date: May 02, 2024 at 7:41 PM


Topic: one channel on amp not working

Posted By: supafly941
Subject: one channel on amp not working
Date Posted: December 10, 2009 at 4:15 PM

I have a 2 channel sub amp, the right side does not work the left side does.  If I switch the red and white on the rca right side does work the left does not.  Would this be a problem with the amp or the cable?  I do have  a meter, is there a way to test the cord or amp using my meter?  thanks in advance for any input.



Replies:

Posted By: icearrow6
Date Posted: December 10, 2009 at 4:52 PM
The problem is NOT the amp.
Do the same test at the stereo"s output.
If you get the same results, The RCAs are faulty.
If there is no change, the problem is at the headunit.

If u want to use the multimeter, you'll need to test the output of the unit on each of the RCAs of the stereo.
Set the meter to AC voltage, set to PEAK HOLD.
and run a test tone or simply play a song at approx mid level output.
Depending on your brand of stereo the voltage should read about 2V.

easiest way is the first one i mentioned.

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