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  #25  
Old 11-03-2009, 04:45 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

good stuff timmy
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  #26  
Old 11-03-2009, 04:55 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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good stuff timmy
x2.

Timmy, the vent pole only needs about 1/2"-3/4" of space to "breath", just FYI.
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  #27  
Old 11-03-2009, 04:57 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

I'd love to try a hand at a fiberglass enclosure, but I dont think the 10W6v2 would fit good back there, its a very deep sub and would stick out too much I think. If only I could remove the plastic panel in the cargo area on the side but its all one piece and dont want to cut it.
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  #28  
Old 11-03-2009, 05:01 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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I'd love to try a hand at a fiberglass enclosure, but I dont think the 10W6v2 would fit good back there, its a very deep sub and would stick out too much I think. If only I could remove the plastic panel in the cargo area on the side but its all one piece and dont want to cut it.
Take a look at my build log (the last few posts). I mocked up a rear quarter panel enclosure. I'll have at least 7" of mounting depth to work with. And I could always place the mounting ring further from the panel if need be.

I just bought my sub today, so once it gets here I'll get crackin' on the enclosure.

Actually, now that I think of it, the sub I ordered and the Jl are nearly identical as far as mounting depth and enclosure size are concerned. You could just copy the one I'm going to make.
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  #29  
Old 11-03-2009, 05:14 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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Originally Posted by Matt View Post
x2.

Timmy, the vent pole only needs about 1/2"-3/4" of space to "breath", just FYI.
I just measured and I have about 2" clearance with the foam installed, so I should be fine then. Sweet!!!

Im still trying to google for a reason why adding poly fill makes the sub think its in a larger enclosure. I cant wait to try it out though, wonder if i will notice a difference with the crate foam and poly fill. Right now the bass is already tight, hits my chest very good and my seat gives me a massage at high volume, but its not loud outside of the car, like some cars I hear going down the street setting off car alarms. Though I did install alot of peel n stick membrane on all the doors and on the cargo floor and also installed expandable spray foam to completely fill the cargo door frame. The only thing that rattles now is the rear wiper blade itself, bouncing off the cargo door. I think im going to try filling the wiper arm with spray foam, or I just need a slightly longer blade to have it fit in tight in the arm so it doesnt move around. The glass would rattle but I solved that by putting small rubber pads used for the bottom of chair legs at the corners of the glass so it rests tight when closed.
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  #30  
Old 11-03-2009, 05:17 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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Originally Posted by Matt View Post
Take a look at my build log (the last few posts). I mocked up a rear quarter panel enclosure. I'll have at least 7" of mounting depth to work with. And I could always place the mounting ring further from the panel if need be.

I just bought my sub today, so once it gets here I'll get crackin' on the enclosure.

Actually, now that I think of it, the sub I ordered and the Jl are nearly identical as far as mounting depth and enclosure size are concerned. You could just copy the one I'm going to make.

Thats awesome, I will do whatever you do then. The mounting depth of my sub is 6.9" so it should work then. I just dont know how much fiberglass matt or resin to buy to have enough. As far as actually making it I have gotten some good ideas and seems easy enough.
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Old 11-03-2009, 05:19 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

Off topic but is anyone else depressed as hell right now that its dark at 5:20 right now?? ughh, I hate winter time, feels like its 9pm right now.
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  #32  
Old 11-03-2009, 05:22 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

Where and how do I secure the poly fill in the box now? I noticed when i first used a foam brush the contact cement ate right through it, so i only coated the crate foam lightly with it and heavily on the surface of the box. The bond is great and def not coming off, but now trying to think of securing the poly fill to the crate foam somehow. 3M spray adhesive?
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  #33  
Old 11-03-2009, 05:24 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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Originally Posted by TimmyB View Post
I just measured and I have about 2" clearance with the foam installed, so I should be fine then. Sweet!!!
You're golden!

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Originally Posted by TimmyB View Post
Im still trying to google for a reason why adding poly fill makes the sub think its in a larger enclosure. I cant wait to try it out though, wonder if i will notice a difference with the crate foam and poly fill.
If memory serves me correctly, poly fill "tricks" the sub woofer into thinking it's in a larger enclosure than it really is, because the poly fill acts as a heat absorbent and captures the rear sound wave thus not allowing the wave to return back to the drivers as quickly. It mimics the traits of a larger enclosure.

Don't quote me on that, but I'm 90% sure.

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Thats awesome, I will do whatever you do then. The mounting depth of my sub is 6.9" so it should work then. I just dont know how much fiberglass matt or resin to buy to have enough. As far as actually making it I have gotten some good ideas and seems easy enough.
Yeah, I think I'm at 6.8" of mounting depth.

I'll keep track of how much supplies I go through. I remember reading that resin and chop matt is cheaper to pick up at boating supplies stores.

Glassing seems pretty simple. I've never done it, but I've done enough research on it to feel comfortable enough to take it on tomorrow.

I've got a busy next couple of weeks, but I think I should be able to get it done before Thanksgiving. I'll keep you updated.
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  #34  
Old 11-03-2009, 05:26 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

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Originally Posted by TimmyB View Post
Off topic but is anyone else depressed as hell right now that its dark at 5:20 right now?? ughh, I hate winter time, feels like its 9pm right now.
Yes! LOL

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Originally Posted by TimmyB View Post
Where and how do I secure the poly fill in the box now? I noticed when i first used a foam brush the contact cement ate right through it, so i only coated the crate foam lightly with it and heavily on the surface of the box. The bond is great and def not coming off, but now trying to think of securing the poly fill to the crate foam somehow. 3M spray adhesive?
If you already have egg crate foam in there, then I'd skip the poly fill. But you don't need to secure it. Just put it in there and mount the sub woofer back on the baffle. Guys have been doing this forever. It can't hurt anything.
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  #35  
Old 11-03-2009, 05:38 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

Found a quick read on sub enclosures stating its good to use polyfill. But doesnt give an explaination why.

http://www.diyaudioandvideo.com/FAQ/Build/
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  #36  
Old 11-03-2009, 05:42 PM
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Re: Sub Enclosure-To Dampen or not to Dampen?

Matt, I think your right about the poly fill. I read that it turns the sound waves into heat by trapping them. Im going to just staple some poly fill in right now and hook everything up to try it out, im impatient and can hold off on the carpet till later. I want to see if what I installed helped at all. Keep you updated.
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