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No you dont, if this is just a single 10 box... im assuming that from your other post... then no, if you had a large volume box with long panels, it would be a good idea to say.. make the longest panels of say 1 inch insted of 3/4 mdf, or put in some bracing.. but with a single 10 box.. unported, not only will your box be fairly small, but 3/4 with solid mitered Joints will be more than strong enuff :thumbsup:
PS the only reason to double up on a panel is for asetic purposes or if you have a really really loud driver that moves a lot of air.. to keep it from flexing.
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If flying saucers were to land on the south lawn of the White House tomorrow, it wouldn't mean as much to YOU as Smoking DMT tonight ! -Terrence Mckenna
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