jizazz12 Posted April 18, 2015 Report 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
MotorCityFats13 Posted July 23, 2015 Report 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
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