low rumble out of subwoofer when car is off

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=7626
Printed Date: May 09, 2025 at 10:47 AM

Topic: low rumble out of subwoofer when car is off

Posted By: timl
Subject: low rumble out of subwoofer when car is off
Date Posted: January 04, 2003 at 12:24 AM

ok i got a new amp for christmas and i had an mtx 8000 but recientally when i was adjusting the deck for the sub the sub started making a very low rpm sound and i check every wire and rca and was just wondering what it could be

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thank you
tim l

Replies:

Posted By: SOUND PRESSURE
Date Posted: January 04, 2003 at 1:41 AM

Check your ground. Make sure that all the paint under it is scrapped off. Make sure that your power wires and signal wires are seperated. If the problem is still there you will need a ground loop isolator.

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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

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