Kaotix Posted February 20, 2011 Report Posted February 20, 2011 (edited) Hello SMD! I would like to fire an external dual port system up through my rear deck for my 2 Kicker L7 12's. It is in a 2001 Chrysler Sebring. My workable space will be 36" width x 15" to 17" high x 16" deep top 18" deep bottom with the subs facing rear of vehicle. Any help or suggestions would be appreciated. each sub will be powered by an Xtant 6.1 mono amplifier. I am hoping this design/dream will work! TY, Chad A.K.A Kaotix If you would like to see my old system and current ride I am listed on Cardomain unde Kao or 2001 Sebring Sedan. Edited February 20, 2011 by Kaotix Quote
Kaotix Posted February 20, 2011 Author Report Posted February 20, 2011 I just returned from buying the MDF and port tubes. I bought 3 different diameters 4, 6 ,8 not sure what I was going to need. Ant info would be greatly appreciated !! TY, Chad P.S. The front of the box is going to be 3/4" Acrylic with mirror inside the box Quote
moto211 Posted February 21, 2011 Report Posted February 21, 2011 as soon as you figure out your air space i can figure out the port for you , i would go with 8" Quote CHECK OUT MY YOU TUBE PAGE http://www.youtube.com/user/motoxxx211?feature=mhee[/size]
Kaotix Posted February 21, 2011 Author Report Posted February 21, 2011 Looks like I will be doing two separate chambers @ 2.6 cubic feet each. If I use an 8" port diameter and make each 1 @ 15" long, I will be at 48.75 Hz. I got this using Torres Calculator. Box dimensions are 38.5" W x 16" D Top, 38.5" W x 20" D Bottom, 16" Height. Going to be a big wedge type box. The front is going to be 3/4" Acrylic with Acrylic mirror inside. Please let me know what you think! TY, Chad Quote
Guest Posted February 21, 2011 Report Posted February 21, 2011 49hz is a REALLY REALLY high tuning for a daily system man. try lowering that to like 35. but make sure you have enough port area (it tells you how much you need and how much you have, on the right side) Quote
Kaotix Posted February 21, 2011 Author Report Posted February 21, 2011 (edited) Seems if I go with a 5" diameter port for each chamber @ 12" long I go to 35.47 Hz. Does that sound more logical? Ty for the help 39.25 port area Chad Edited February 21, 2011 by Kaotix Quote
Alex K Posted February 21, 2011 Report Posted February 21, 2011 You need almost 2.5x that port area. Quote 2006 Nissan Z Track. My Feedback Thread i used to think a band pass was something you were around your neck or something.
Guest Posted February 21, 2011 Report Posted February 21, 2011 (edited) Seems if I go with a 5" diameter port for each chamber @ 12" long I go to 35.47 Hz. Does that sound more logical? Ty for the help 39.25 port area Chad i dont know. but ill tell you how to find out. look on the lower right side. you'll see 2 boxes. one that says "port area range" and one right under that that says "port area". try to get the P.A number somewhere inbetween the P.A.R numbers. Edited February 21, 2011 by Kranny Quote
Kaotix Posted February 21, 2011 Author Report Posted February 21, 2011 (edited) Very Confusing but trying my best As my wife laughs hysterically at me! I now have P.A. 56.52 P.A.R. 44-64 6" diam port @16" Long 37.43 Hz Edited February 21, 2011 by Kaotix Quote
moto211 Posted February 21, 2011 Report Posted February 21, 2011 i would go with 2 6 inch ports 20 long thats 36.5 htz or 22long 35.5 htz , that 28.5 square inches per port , that 57 square inches total , that gives you almost 11 square inches of port per cubic foot , thats not bad Quote CHECK OUT MY YOU TUBE PAGE http://www.youtube.com/user/motoxxx211?feature=mhee[/size]
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