Joe X Posted May 17, 2012 Report Share Posted May 17, 2012 (edited) Looks on spec for up to about rated power. Fixed port though. Edited May 17, 2012 by Joe X Quote Link to comment Share on other sites More sharing options...
john253a Posted May 17, 2012 Report Share Posted May 17, 2012 Quote Link to comment Share on other sites More sharing options...
jeffrm Posted May 18, 2012 Author Report Share Posted May 18, 2012 (edited) ok these are the specs for my subs, my max width is 58, max depth is 25, and max height is 18, can someone do something with these, please QT15D- ported- 2.0ft3 4” port x 13 ½” long (36Hz) F3=50Hz 700w 2.5ft3 4” port x 9” long (36Hz) F3=46Hz 700w 3.0ft3 2(4” ports x 17 ¾” long) (36Hz) F3=43Hz 1000w 3.5ft3 2(4” ports x 16 ¼” long) (34Hz) F3=40Hz 1000w 4.5ft3 2(4” ports x 10 ¾” long) (34Hz) F3=37Hz 1000w 4.5ft3 4(4” ports x 6 ½” long) (55Hz) F3=45Hz 1000w (SPL) Edited May 18, 2012 by jeffrm Quote 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...
Joe X Posted May 18, 2012 Report Share Posted May 18, 2012 i think this would murder lows You came up with the above and it adheres to this spec: 4.5ft3 2(4” ports x 10 ¾” long) (34Hz) F3=37Hz 1000w The 4.5 cubes are before displacements, if you subtract the the driver and the two aero ports displacement you end up with around 4 cubes net. So 8 cubes net for two drivers. Quote Link to comment Share on other sites More sharing options...
jeffrm Posted May 18, 2012 Author Report Share Posted May 18, 2012 Ok ill try the one I did and see what happens. Quote 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...
Joe X Posted May 18, 2012 Report Share Posted May 18, 2012 The alternative is building a box with removable side aero port (2 8" pipes likely), that would let you change the tuning to compete. You would need to research how well a side port will perform in your particular vehicle. Quote Link to comment Share on other sites More sharing options...
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