Milo-801 Posted February 12, 2011 Report Share Posted February 12, 2011 Ok so I have two planetaudio bb12, which are dual 2ohm voice coils, currently my box is sealed, the dimentions are Width: 28 1/4" Depth: 13 1/16" Hight: 12 15/16" Thickness of material: 1" What size of port could I add to this box, each sub has its own airspace This is what planet audio recommends for a ported box, can someone put this into an easier term. Ported: Volume 2.25ft^3 Port: (1) 4"x 15.75" 30hz (1) 4"x 9.75" 35hz 20 sq.in. x 15" 35hz 20 sq.in. x 13" 37hz 25 sq.in. x 16" 40hz Link to comment Share on other sites More sharing options...
RAM_Designs Posted February 12, 2011 Report Share Posted February 12, 2011 You need to build a new box as your current sealed boxes do not have the correct volume for a ported alignment. Ryan Miskin - owner of RAM Designs I have my PM's turned off, please email at <script data-cfhash='f9e31' type="text/javascript"> /* */</script> 2200+ designs since March 2011... Link to comment Share on other sites More sharing options...
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