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turn-on/turn-off boom noise

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=2623
Printed Date: July 20, 2025 at 5:35 PM


Topic: turn-on/turn-off boom noise

Posted By: aggie altima
Subject: turn-on/turn-off boom noise
Date Posted: August 08, 2002 at 2:12 PM

I've had this problem with a boom noise every time i turn my radio on or off. How can I get rid of this pop? I tried turning down the gain on the sub amplifier, but it didn't really help. Thanks for any info.

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Jon
Don't like rockford subs? Then don't look at my car =)



Replies:

Posted By: Velocity Motors
Date Posted: August 08, 2002 at 2:19 PM

Relocate to a better ground and isolate your RCA's from any power sources ( power wire, speaker wire, remote wire ). You may also have to relocate your constant and ignition wires from your deck to the battery or the fuse block.



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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: wingman
Date Posted: August 08, 2002 at 5:04 PM

Jeff,

I have the same problem.  Would delaying the turn on of the amp keep the noise out or to a minimum?   If so how do you add a delay to the amp turn on relay?

Thanks

wingman




Posted By: Velocity Motors
Date Posted: August 08, 2002 at 5:55 PM

Delaying may solve the problem if it's  power related on the power wires but if it's a RCA issue, then you have to re-route the wires. Most likely if's the power wire though.  Here is a great article about this phenomenom :

https://www.teamrocs.com/technical/pages/noise.htm



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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: wingman
Date Posted: August 08, 2002 at 6:27 PM

Jeff,

Thanks for the info.  I'm going to try delaying the turn on, on my signal processor.

wingman




Posted By: Velocity Motors
Date Posted: August 08, 2002 at 6:54 PM

No problemo



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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA


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