Gazoo_bumpin Posted March 18, 2008 Report Share Posted March 18, 2008 Alright the First Topic I made here I was given a very good program from Rockford fosgate for sealed Boxes After that I’m lost again I still have not found one good site that tells me how big the Square port opening should be or how long it should be etc I've Downloaded some of those box programs but don't tell me what the cuts should be just what the box will do Is there a Good Formula someone can give me to help me Or one that could change the size of what a round port to square port would be so I could go from there 12" 2.5 CU F.T xmax-9mm 35 hrts Moving where the Money Trees are Link to comment Share on other sites More sharing options...
AI James Posted March 18, 2008 Report Share Posted March 18, 2008 jsut use the RE calculator til your able to figure it out lol Link to comment Share on other sites More sharing options...
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