alpine mono amplifier

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=129046
Printed Date: May 09, 2025 at 7:07 PM

Topic: alpine mono amplifier

Posted By: sebring04spl
Subject: alpine mono amplifier
Date Posted: November 01, 2011 at 7:28 PM

i have 2 typeR 12's & 2 500watt alpine mono amps. one amp works fine but the other one powers up but no sound comes from it. i checked the fuses, rca cables, & connections. i switched the amps to see if it was the sub but it worked on the other amp so there's gotta be something wrong with it. can someone help me out please?!

Replies:

Posted By: i am an idiot
Date Posted: November 01, 2011 at 10:18 PM

Have you removed the bottom cover and looked for any visible damage?

Posted By: sebring04spl
Date Posted: July 24, 2012 at 4:33 PM

Yes, but i didn't see any visible damage

Posted By: auto enhancers
Date Posted: July 25, 2012 at 3:01 AM

Could it be that you have the rca's in an output or pass thru instead of an input. Have you tried testing te be sure you have adequate voltage going to both amps. Could you have a bad ground. Did you try switching all the wires from the amp that works to the one that dosent. Are they the exact same amps.

Posted By: DYohn
Date Posted: July 25, 2012 at 10:40 AM

If an amp was working and then it stops, and all the fuses are good, the amp is getting proper power, and the load has not changed, then it has fried. Is there a protection light on?

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