SyeKoticBASS Posted October 8, 2013 Report Share Posted October 8, 2013 Got a question for anyone who has 4th order experience or has heard 4th orders what tuning should I make the port section to smash 28hz and up to say 40hz with authority. Im mainly building for demos,hairtricks, cant breath and wanna crush the lows and move tons of air?? Thanks for any help Link to comment Share on other sites More sharing options...
nocturnalrites101 Posted October 8, 2013 Report Share Posted October 8, 2013 depends on the car the subs the airspace your sealed chamber tuning . etc need more info . its not just point and click Link to comment Share on other sites More sharing options...
SyeKoticBASS Posted October 8, 2013 Author Report Share Posted October 8, 2013 02 dodge durango. 8 sa 15s off 2 crescendo 3500s. 1.5 sealed a sub 4 on each side. 3-3.5 ported chamber Link to comment Share on other sites More sharing options...
SyeKoticBASS Posted October 8, 2013 Author Report Share Posted October 8, 2013 Would 45hz be tuned to low Link to comment Share on other sites More sharing options...
john253a Posted October 8, 2013 Report Share Posted October 8, 2013 45 should be around where you want to start but I like 47-55 with mine(sub being the determining factor) Are you do a 2:1, 3:1 something else 1.5sealed - 4ported isernt a bad ratio Have you thought about 4@28, 1.8@53 in a 6th Link to comment Share on other sites More sharing options...
Katt Posted October 9, 2013 Report Share Posted October 9, 2013 2:1 ratio, around 45 Hz. What you can do for tuning, use 2x4s and shrink till it doesnt get any louder. Then, that's where I'd permanently make a port that size. That's what id do anyway. *06 330i - Sundern x12 - saz-3500* *91 Foxbody V1 S-Trim Notch* Link to comment Share on other sites More sharing options...
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