Ported under seat box for 2 12s

[Rev Curtis]

I am sure this has been covered or at least something similar so am sorry if I am asking the same question.  I wood like a ported box ( or 2 smaller ) for 2 12s to go under my back seat. I have a 2016 crew cab with Bose. I dont really wanna buy one (already did and box failed). I am looking for plans or a how to, whatever you want to call it. Hopefully with some pictures. I probably wont use carpeting I'm considering using something like rhino liner. Doesn't have to be fancy with curves and whatnot.  Main thing is the overall construction of box or boxes and how to properly port them. Thanx in advance. 

[Snowcamo]

I am sure this has been covered or at least something similar so am sorry if I am asking the same question.  I wood like a ported box ( or 2 smaller ) for 2 12s to go under my back seat. I have a 2016 crew cab with Bose. I dont really wanna buy one (already did and box failed). I am looking for plans or a how to, whatever you want to call it. Hopefully with some pictures. I probably wont use carpeting I'm considering using something like rhino liner. Doesn't have to be fancy with curves and whatnot.  Main thing is the overall construction of box or boxes and how to properly port them. Thanx in advance. 

Steve made forums is ultimately your best bet. You can pay someone to spec a box for you or have someone build it custom. Those guys know ther their.... You might get a freebee and find a guy nice enough to do it for free. What subs and how many watts are you looking to push?

[cmysstailights]

There is not enough room for a ported box. Low profile subs i believe require a sealed box. I built my box out of mdf, used 1/2 spacers to pick up the back seat for clearance.

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[cmysstailights]

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[cmysstailights]

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[Rev Curtis]

I have 2 DS18 BD-X124D with a Orion CB3500 watt Cobalt. They are in a mdf box now and fit fune. So if need be I could just reverse engineer the box I have. Just really would like to get the most out of them.

[Nasty]

2 12s uaually need about 2 cubes per.  Plus port and drover displacments. So youre looking at 5 cube box mlat likely. Not gonna fit under the seats. 10s ported in doable

[Rev Curtis]

12 minutes ago, cmysstailights said:

There is not enough room for a ported box. Low profile subs i believe require a sealed box. I built my box out of mdf, used 1/2 spacers to pick up the back seat for clearance.

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Did you make the spacers or is this something I can buy. I was thinking about figuring out some way to raise the back seats a inch or so

[cmysstailights]

Did you make the spacers or is this something I can buy. I was thinking about figuring out some way to raise the back seats a inch or so

A friend who works for the railroad got me steel spacers. think home depot sells them too.

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[Snowcamo]

2 12s uaually need about 2 cubes per.  Plus port and drover displacments. So youre looking at 5 cube box mlat likely. Not gonna fit under the seats. 10s ported in doable

This^^^
One of those guys I was talking about.

[1SLOW1500]

Not much space. A seat lift can buy you a little. More but again very limited. I build all my own. It is easy labor but requires skill and how to also a lot of tools.
Drill, drill bit, wood screws, liquid nails, air nailer, saws jig or router, sanding tools, ect...
MDF 1/2 or 3/4 is standard. But also duraglass, fiber glass, skim coat.
In my last truck I did wood box with fiberglass top on one side and a cargo box on the other side. Cargo bin was MDF and dropped into the enclosure it was done in bed liner.
This truck is carpet box. I made a cast of the floor boards then wood on the sides and top. The glassed bottom gave me more space and depth. But also is a perfect match to the floor curves so it doesn't move.

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[BrevardCty Rado]

I have just put in a fox box that has 2 1o inch sundown e10 v3's in it and it is ported to the rear and I am very happy with the set up. They are powered by a RF 1200 class d at 1 ohm and they hit hard. the box comes with one inch seat risers to lift the seat up and the sub mounting depth gives right at 6 inches. The sundowns just fit in there. Box is well made, it isn't 12's but it sounds a lot better than the shallow mount subs I have heard in the past. And for a lower line of sundown subs I was thoroughly impressed.

 

http://www.foxacoustics.com/ProductDetails.asp?ProductCode=GM-CC-210-V-07&CartID=1