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#1546300 - 12/03/08 11:37 AM

Question about sealing/deadening doors and MDF baffle

siucsaluki11
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Registered: 10/23/08
Posts: 533
Loc: NW suburbs of Chicago

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It was a nice day today, so i decided to pull my rear speakers, cuz i decided i like the way it sounds better without them, but i dont have a dedicated sub pre-amp output, so id fade it to the front, but the only set of RCAs is for the rear chanel.

Would i still have to make MDF baffles if my door had something like this already? The ones on the front doors are a little deeper i believe, and these ones are still plenty deep, with the window down there is still +3" almost 4" of room.

I also noticed the door had a layer of plastic covering all the holes, are most cars like that or whats the deal? Would you reccomend removing that or does it serve a purpose? Im guessing when i go to seal and deaden the doors that layer is gunna go, but for the time being, leave it or get rid of it? Oh ya, took a pic of that too.

Thanks in advance.

Edited by siucsaluki11 (12/03/08 11:39 AM)

_________________________
YOU JUST LOST THE GAME
2000 chevy blazer
=========================
Current system:
JVC KD-AR8500
Front: Alpine Type-S 6.5" Components
Rear: MTX 6.5" 2-way coaxial
(2) Clarion PXW1251 subs
Kenwood KAC-9104D amp
Alpine MRP-F300
5ft^3 box tuned to 30Hz
1 run of 1/0 ga.
=============================
Hopefully getting new subs soon but lookin for a job.

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#1546529 - 12/03/08 02:31 PM

Re: Question about sealing/deadening doors and MDF baffle [Re: siucsaluki11]

KLCTexas
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Registered: 02/01/08
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Loc: Cowtown (Ft. Worth), TX

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I can't see the pics right now, but I know what you are talking about, it's called a moisture barrier. You can throw it away after you seal the door, but for now leave it there.

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2003 Honda Civic LX Sedan
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#1546602 - 12/03/08 03:25 PM

Re: Question about sealing/deadening doors and MDF baffle [Re: KLCTexas]

TtownCLS
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Registered: 02/11/08
Posts: 1503

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For the best result, I would use a MDF spacer. MDF will not flex and resonate like the plastic will. You need to completely isolate the front of the speaker from the back. I see lot's of holes for the back wave to get through and reach the front of the speaker. That equals cancellations. As far as deadener on the doors and sealing them up, look at this thread. He did a great job on his doors. Deadening Doors

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Robert Petty