dual 12" CUSTOM ENCLOSURE for Sedan
Joined: Sep 2004
Posts: 1,125
Likes: 1
From: Santa Monica CA
dual 12" CUSTOM ENCLOSURE for Sedan
Selling my Custom enclosure for sedan. it is a box that will sit flush in a sedan's trunk. It will fit 2 12inch subwoofers AND still have plenty of trunk space. askign $160 obo. located in socal LA area. let me know guys


Joined: Sep 2004
Posts: 1,125
Likes: 1
From: Santa Monica CA
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Birch ply is MUCH lighter than mdf. The only thing I dislike about Birch ply is that there may be voids, depending on the quality of the wood. It's roughly about $5 - 10 for a 4' x 8' sheet compared to MDF, but if you go with Grade A birch, which is also goes by the name of Baltic Birch, you will find no voids, or maybe a tiny one here and there. Some of the voids on the B, C, and remaining grades may be filled up, but it loses it's strength. Baltic Birch is quite costly, possibly about $100 per sheet, however, you don't need 3/4", 1/2" would be fine since each layer, is cross laid. Basically one layer is horizontal and the next goes in a vertical grain and the pattern continues. Birch play has the grain and the layers all going the same way. Since they are cross layered, it adds strength. You can also get Oak Ply, which is a bit lighter than birch ply, but it is also about $15 more than MDF for the same sized sheet.
Trupan is much lighter than MDF as well, though it is more like the material that MDF uses. I haven't used trupan, but was going to for my previous car, but I never got to finish the build unfortunately.
To give you an idea how much lighter birch ply is, I used to have 3 10's, which weighed about 15 lbs each and they were very easy to carry. I'm not a big guy either.. 6'0" and approx 150 lbs. I also had a 75 lb 18" sub that was 2.4 cu. ft. in an Oak Ply enclosure and it was much easier to carry and you could feel the weight difference between that and 2 12's (which weighed 30 lbs) in an MDF box that was a tad under 2.4 cubes, I believe 2.25 cu. ft.
I'd probably go with Trupan since you wouldn't have to worry about voids, but if you got the cash, Birch ply would be another route, and I'm pretty sure it's also lighter than Trupan.
Trupan is much lighter than MDF as well, though it is more like the material that MDF uses. I haven't used trupan, but was going to for my previous car, but I never got to finish the build unfortunately.
To give you an idea how much lighter birch ply is, I used to have 3 10's, which weighed about 15 lbs each and they were very easy to carry. I'm not a big guy either.. 6'0" and approx 150 lbs. I also had a 75 lb 18" sub that was 2.4 cu. ft. in an Oak Ply enclosure and it was much easier to carry and you could feel the weight difference between that and 2 12's (which weighed 30 lbs) in an MDF box that was a tad under 2.4 cubes, I believe 2.25 cu. ft.
I'd probably go with Trupan since you wouldn't have to worry about voids, but if you got the cash, Birch ply would be another route, and I'm pretty sure it's also lighter than Trupan.


