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-   -   Any advice building 2 12 box under helm (http://www.wakeworld.com/forum/showthread.php?t=801904)

bass10after 04-30-2014 5:56 PM

Any advice building 2 12 box under helm
 
I'm going to redo my subs and try and squeeze two jl w3's under the dash of my boat mastercraft 230. It's got plenty of depth to do a sealed enclosure for both of them but the width will be tricky.. The guys running two sealed 12's did you put a divider between the two so they're sealed seperately or leave the space open? Anyone who's built a tricky box in a tight area have any tips?

DavidAnalog 05-01-2014 8:05 AM

Side by side facing the same direction and direct radiating is good. Symmetrical side-firing with one towards the hull and one towards the interior pass-thru wall is good as long as both woofers' output is unobstructed with no reduction in radiating area along each path. One fore and one aft, in other words, one positioned in front of the other is very bad.
Two identical woofers sharing the same air space is fine as long as you adhere to the combined displacement. A partial division by a front to rear stiffening brace is a good idea.


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