77-AUDIO Posted April 24, 2008 Report Share Posted April 24, 2008 how do i measure a vent when it needs to be longer than the box is deep. vent length 16" box depth inside dimension 16.75" Quote PPI dbl dinDC Level 31.77cubes net tuned to 33htz.DC audio 2.0kCT Pro Audio 8" in front, 6.5 in rear Link to comment Share on other sites More sharing options...
philip Posted April 26, 2008 Report Share Posted April 26, 2008 i measure down the center. don't forget about end corection and the extra 3/4 that's added to the port opening. Quote Link to comment Share on other sites More sharing options...
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