Mobileaudio25 Posted January 24, 2013 Report Share Posted January 24, 2013 what do you think? I'm running 2 DD3512's All measurements are in inches with .75 in MDF 15.5 H x 41 W x 21 D ...... port (inside dimensions) Port Height 14 x 5.25 Wide with a port length of 24 inches. Box will be tuned at 37.34 Hz with a 4.57 Net Volume and 16 sq inches or port per cube. The port ratio is 1:2.67 My only question is how far back should i take my port before i break off at the 90 degree angle? how far should your port stop from the back wall? Do all of my numbers look ok? Im going to be using MDF screws and Titebond II for the build. Im running 2 XS power batts, all 0 ga wiring, 2 hifonics brz.1200.1D's (one on each sub) with a 180 amp alt. My box is going to be sealed firing forward in a trunk install. Link to comment Share on other sites More sharing options...
juan-lightning Posted January 24, 2013 Report Share Posted January 24, 2013 5.25" From the back wall. So you keep a constant 5.25" wide port. And measure the length of the port down the middle. '02 SVT Lightning Pioneer 3200dvd C&D 80ah under hood, 2 shuriken bt20's in cab PPI BlackIce 800.4, Rockford T1 6.5comps, kicker KS 5.25comps(Running both active) AQ 2200d, 2 Skar VVX-10s, 2.5@34hz, Epicenter Link to comment Share on other sites More sharing options...
Mobileaudio25 Posted January 24, 2013 Author Report Share Posted January 24, 2013 Ok cool. Can I ask why you stay that far from the back wall? Just so I can understand how you came up with that idea or calculation Link to comment Share on other sites More sharing options...
Mobileaudio25 Posted January 24, 2013 Author Report Share Posted January 24, 2013 Oh ok, sorry I didn't reqd your post correctly... Thanks ! Anyone else think these numbers will make an efficient box ? Link to comment Share on other sites More sharing options...
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