jeffrm Posted February 21, 2012 Report Share Posted February 21, 2012 can anyone help me figure out how to accurately measure port length. an illustration would be very helpful. 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
412 CVX Posted February 21, 2012 Report Share Posted February 21, 2012 port length is measured through the middle of the port Just say no to Ground Pounder Customs. My temp system build log More box buildssome cars do over 170db with one sub, so clearly my two 12"s can do that in my car, with my knowledge too! look out bitches! I'm with captain stupid. Link to comment Share on other sites More sharing options...
jeffrm Posted February 21, 2012 Author Report Share Posted February 21, 2012 ok so that one would be 26 3/4" right? 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
412 CVX Posted February 21, 2012 Report Share Posted February 21, 2012 exactly Just say no to Ground Pounder Customs. My temp system build log More box buildssome cars do over 170db with one sub, so clearly my two 12"s can do that in my car, with my knowledge too! look out bitches! I'm with captain stupid. Link to comment Share on other sites More sharing options...
jeffrm Posted February 21, 2012 Author Report Share Posted February 21, 2012 ok thanks. im new to this box building stuff so i appreciate it alot. 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
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