jizazz12 Posted April 18, 2015 Report Share Posted April 18, 2015 I'm building a box for these using 4" pvc for ports, I was hoping someone could look my calculations over and let me know if I need to make any adjustments. Subs- LVL 3 MI 15's Amp - Soundstream trx 2K Box - 16"H×40"Wx23"D gross 6.95 CU. Gross Ports - 4 ×4" ×10.5" long 527.52 sq.in (regular pvc) Total net after subs and port 6.31CU. This before any bracing. This going into a 01 yukon xl, all help is appreciated. Quote 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters Link to comment Share on other sites More sharing options...
MotorCityFats13 Posted July 23, 2015 Report Share Posted July 23, 2015 this is old dont know if you ever built this enclosure but the math I ran on this puts it at a 40hz tune taking it that this box is either a single sub or multi sub shared chamber box..... 16.8" would be around 33hz, 28hz is 24.5"... using 4x4" round pvc ports... Quote Link to comment Share on other sites More sharing options...
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