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-   -   Fit any 8" 09+ Crewcab (http://www.f150forum.com/f30/fit-any-8-09-crewcab-264711/)

Robert8252 06-28-2014 03:57 PM

Fit any 8" 09+ Crewcab
 
Just messing around to see what could fit and built a skeleton for a box under the rear seat. Downfiring is about what I expected with 4ish inches of clearance. But I was surprised when I measured the front, I made it with a slight angle up front which keeps with the angle of the seat. It looks like you can use any 8" sub you would like without any seat lift. Frame clears everything under the seat including the handles. Will post some measurements later. Pic is of a DC 8" subwoofer.

http://i541.photobucket.com/albums/g...7751987D69.jpg

Looks like it would work just fine. :thumbsup:
http://i541.photobucket.com/albums/g...8AD7A6E7D8.jpg

No where near enough clearance with 1/2" or 3/4" plus clearance for baffle.
http://i541.photobucket.com/albums/g...8E7260C20A.jpg

Robert8252 06-28-2014 06:25 PM

Proof of concept. Will work with 3/4" just fine. Just had some 1/2" mdf and wanted to prove if it would work.

http://i541.photobucket.com/albums/g...F80F1EE9E2.jpg

http://i541.photobucket.com/albums/g...D2497B6819.jpg

http://i541.photobucket.com/albums/g...6FD6AC36E2.jpg

http://i541.photobucket.com/albums/g...2D1FD8F257.jpg

Robert8252 06-28-2014 10:07 PM

Here's actual dimensions and the second pic has the dimensions you will need to get the angles right.
http://i541.photobucket.com/albums/g...CrewCabBox.jpg

http://i541.photobucket.com/albums/g...ewCabBox-1.jpg

Robert8252 06-29-2014 12:19 AM

Even better to save you math. If you build it exactly like the dimensions out of 3/4" and miter as shown in this pic the area of airspace is 62.71 inches. Simply multiply your box inner box width for cubic inches.

http://i541.photobucket.com/albums/g...ewCabBox-2.jpg

Robert8252 06-29-2014 10:30 PM

If anyone wants these, they work for Google Sketchup

Single 8" - 1 cube net - 4" aeroport, 21"s long for 37hz tuning
http://www.mediafire.com/download/ha..._aero_37hz.skp
http://i541.photobucket.com/albums/g...ewCabBox-3.jpg

Dual 8" - 1.5 cube net - 4" aeroport, 17"s long for 33hz tuning
http://www.mediafire.com/download/v4..._aero_33hz.skp
http://i541.photobucket.com/albums/g...abBoxDual8.jpg

Robert8252 07-06-2014 12:35 AM

All said and done I was wrong. The boxes I have here will work for subs with a smaller power rating. I believe the sundown SD line would work and most mainstream brands. I went with a soundqubed hds208 in mine and it required a 1" spacer and sanding some of the inside if the box.

http://i541.photobucket.com/albums/g...758ABEFAF5.jpg

NProbst37 07-28-2014 04:25 PM

great info!

i picked up a sundown sd2 8 to test fit with the intention of running 4 sealed. I was starting to second guess myself but seeing this i'll have to get started on the box this weekend after all.

FLiPinoy916 08-04-2014 05:41 PM

Nice perspective on the skeleton example

MrSkippyJ 08-26-2014 07:31 AM

Geez, nice lookin box there man!


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