subwoofer vibration problem

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=102475
Printed Date: May 09, 2025 at 9:22 PM

Topic: subwoofer vibration problem

Posted By: m4a1rifle
Subject: subwoofer vibration problem
Date Posted: February 23, 2008 at 12:23 PM

Recently bought a RF P1 12", it is causing annoying vibration noise to the metal plate inside of car boot. Now my woofer is facing the boot door, so if my woofer facing a different direction, will it soften or cancel the vibration on the metal plate?
because i plan to make a new box if it can solve the problem.

location of the metal plate:
posted_image

Replies:

Posted By: aznboi3644
Date Posted: February 23, 2008 at 1:27 PM

Try filling the gap between the trunk lid skeleton and the outer skin.

After that some sound dampening mat will help. You can also fill in the voids with expanding foam

Posted By: rrcustom
Date Posted: February 23, 2008 at 6:42 PM

aznboi3644 wrote:

You can also fill in the voids with expanding foam

Agreed. Expanding foam is usually the best and the quickest fix. Be careful when applying...it does expand ;-)

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Posted By: i am an idiot
Date Posted: February 23, 2008 at 8:05 PM

As stated earlier, that stuff really does expand. It will have no problem reshaping the outer skin of your boot. So if you do go this route, you really need to do a few test drops of it just so you know how much it expands.

Posted By: m4a1rifle
Date Posted: February 24, 2008 at 11:10 AM

is it true that if apply expanding foam to the boot door it is impossible to reshape the metal if it got bump cause by accident?

Posted By: hungryandfat
Date Posted: February 24, 2008 at 12:26 PM

Thats something I wouldnt worry about. Odds are if you are in an accident and it causes damage, most likely the whole panel will be replaced. If its not that bad then it would be minimal work for a panel like that. Most minor repairs are done from the exterior of the panel anyways. But access to the rear of the panel makes it a little easier.

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