Maroon97SL Posted July 21, 2010 Report Share Posted July 21, 2010 For my subs ( 87121.8 12" ) the box sizes ( sealed ). SPL - all in ft3 .45 .85 Boomy Bass 1.5 1.75 He said this is the size needed with the subwoofer loaded. He said they recommend sealed enclosures, but what if i want ported? Could i use these numbers some how to determine the size of a ported enclosure. 2000 White Saturn SL2 Kenwood KDC-248U Head Unit 1 Rockrod Fosgate HX2 punch DVC 12 1 Rockford Fosgate R500-1 amp Stock Mids & Highs. Budget Build, I spent about 330$ for the setup. but its a crx, if you cant fart and do a 150 in a crx there is something wrong... Link to comment Share on other sites More sharing options...
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