I would like to build my own sealed box for one jl 12w6. I was talking to a friend about my proposed project and he surprised me and dropped of a full sheet of 3/4" (or 7/8) laminated plywood. It is not the wafer board used for sheathing floors.
I originally intended to buy 3/4" mdf, but now that I have this for free should I use it?
Strength wise the ply is just as tough, but I was wondering if the smoothness of mdf is why they recommend using it or if there are other pros and cons. Any body have fact or opinion on this.
Thanks
Replies (2)
Swez on 05/6/2003 06:57:08
The price of the sheet plywood is hard to beat. It is lighter than MDF and a bit less brittle to work with too.
The only possible drawback of laminated plywood, is the voids (knots)typical in B/C or C/D grade plywood. The best plywoods are baltic birch or furniture grade plywoods. But these are very expensive, but can be made to look like a beautiful furniture grade box.
You may want to make a few test cuts on this sheet, before you commit to using it. Need a very fine tooth (40-60 tooth) blade or it will splinter and leave ragged edges. Yes, you can sand them out or spackle and cover the box with carpeting if you wish... just know plywood is a bit harder to cut cleanly.
Can always over cut the panels (1/2" or so) and then do finish dimensions with a carbide router flush cutting bit. That's not a cheap tool either, but well worth the investment.
Swez
ttocs on 05/6/2003 15:18:21
I would have to say go with the mdf. Plywood is difficult to get screws into without totally stripping it out, and is rarely straight. If you build the box, you will probably end up doing it over with mdf withing a year, maybe two..
I originally intended to buy 3/4" mdf, but now that I have this for free should I use it?
Strength wise the ply is just as tough, but I was wondering if the smoothness of mdf is why they recommend using it or if there are other pros and cons. Any body have fact or opinion on this.
Thanks
Replies (2)
Swez on 05/6/2003 06:57:08
The price of the sheet plywood is hard to beat. It is lighter than MDF and a bit less brittle to work with too.
The only possible drawback of laminated plywood, is the voids (knots)typical in B/C or C/D grade plywood. The best plywoods are baltic birch or furniture grade plywoods. But these are very expensive, but can be made to look like a beautiful furniture grade box.
You may want to make a few test cuts on this sheet, before you commit to using it. Need a very fine tooth (40-60 tooth) blade or it will splinter and leave ragged edges. Yes, you can sand them out or spackle and cover the box with carpeting if you wish... just know plywood is a bit harder to cut cleanly.
Can always over cut the panels (1/2" or so) and then do finish dimensions with a carbide router flush cutting bit. That's not a cheap tool either, but well worth the investment.
Swez
ttocs on 05/6/2003 15:18:21
I would have to say go with the mdf. Plywood is difficult to get screws into without totally stripping it out, and is rarely straight. If you build the box, you will probably end up doing it over with mdf withing a year, maybe two..
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