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Car Forum / Driving, Maintenance, Tuning / Car Audio / June 2004Sub Box building tips anyone?
Being unhappy with my 10" Polk subs in .6 cu ft WalMart enclosures, I purchased a pair of Polk 2124's and need to build a box. The speakers call for a .88 cu ft sealed enclosure. I plan a rectangular sealed box with a center divider, separate chamber for each sub. ...gonna use 3/4" MDF from Home Depot. 1. With any construction, there will be errors. Do I err toward too big or too small? ...talking eighths of an inch here. 2. What method is easiest for neophyte woodworkers to join the box? a. miters with biscuits and screws b. rabbets with screws c. dadoes with screws d. butt joints with biscuits and screws Miters seems the most difficult, but perhaps easiest to cover with fabric. Dadoes seems easy and strong, but more difficult to cover. This seems to be how most pre-built boxes are made. Butt joints would be easiest. 3. What kind of glue? I've heard Liquid Nails, but there are several kinds. What about wood glue? Glue with Gorilla glue, seal with Liquid nails? Any sub box building faqs around? | Being unhappy with my 10" Polk subs in .6 cu ft WalMart enclosures, I | purchased a pair of Polk 2124's and need to build a box. The speakers [quoted text clipped - 20 lines] | | Any sub box building faqs around? Well, if it's any consolation to you, you can do things the hard way - or you can do them the easy way :-) Any woodworker will tell you tht rabbets or dadoes would be the way to go - and the box would turn out nice, that's fer sure. I however, took the easy way out. I used 3/4" Birch Ply, butt joints (no biscuits), multiple triangular braces in my box, used gorilla glue and wood screws every 6". Sealed it with silicone (although I gotta tell you, the gorilla glue does a nice job on it's own - it "expands" as it cures), covered it up with unbacked carpet and 3M spray adhesive. Dropped a 12w7 in there and pound it with my JBL/Crown 1100.1 which can hit with 1200w+ RMS. It pounds and it holds. Use good materials, make nice flat, SQUARE cuts, use LOTS of glue, screw and clamp overnight and you'll be good to go. |
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