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ported box for Big12


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I need help from you audio experts,  this is my 1st ported box build. I pickup my new 23LSV in about two weeks.  I took shawndoggie's basic dimensions and am trying to build a box for an exile big 12.  This 1st pass is 1.95 cubic feet not counting the port, i am planning for it to be out of 3/4" baltic, I know the depth is long and will hang over the carpet,  my questions are:

  1. Am I calculating the port length correctly?
  2. Is 20" too tall for a 16 23lsv under the drivers feet?

big12 box spec.jpg

sub box 3.jpg

I built this in solidworks so if anyone wants the CAD files when I'm finished i'll send them to you.

Edited by McMiller
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If your boat has the cover underneath the helm, make sure you account for the two posts with the screw on quick nuts that stick down. 

I just did a 16' VLX and it was the first I had seen these . Entry on the 22 was 20" exact. Those posts where the lowest point.

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  • 1 month later...

Finally in the boat and hooked up, sounds great, the ws420 is just temporarily mounted, I didn't tune it in yet but I think it sounds pretty good.  Now I just have to finish the carpeted kick panel with the heater outlets on the right side.CFB42217-691E-4E6A-8781-594DF4F29F70_zps080D758E-DD80-418C-A3D2-277B82D0F05A_zps

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