bobobass Posted January 6, 2012 Report Share Posted January 6, 2012 Looks great but I definitely recommend going with a double baffle. Quote 2000 Subaru outback 2.5l Head Unit: Pioneer deh 4300ub front stage: tbd subwoofer: Stock Fi Q 18" amp: Audio que 1200d Link to comment Share on other sites More sharing options...
xterraboy03 Posted January 6, 2012 Report Share Posted January 6, 2012 If I may pipe up and say something...the 18xl per sub only needs 6 cubes x 2 = 12 cubes. Your @ 16 almost 17 cubes. I would regroup your thoughts on that try and get it to a little over the 12 cubes to account for sub displacement. Good Luck! the box is 12 cubes net.... ur looking at gross..maybe u should regroup ur thoughts RGR RGR missed that small piece..good luck on the box! Quote 03' NISSAN XTERRA (1) AQ3500d (1) AQ4x90 (1) Audio Control Line Driver (4) DC LVL 4 15's Cresendo Mids and Highs 100' of 0/guage Big Three Mechman 270a Charging @ 16.5v (6) XS D1400's Highest Termlab Score 149.9 at the kick & 166.1 in the Port/ on stock electrical and 1 DC XL M1 Updated JUNE 2012*****MY BUILD LOG USACI REGION 6 POINTS LEADER 2011 USACI KANSAS RECORD HOLDER 2011 Team DC http://www.dcsoundlab.com/ Link to comment Share on other sites More sharing options...
ALPINE408 Posted January 6, 2012 Report Share Posted January 6, 2012 (edited) net volume goes way up to 14.10 and tuning drops to 23.73.? and I'm aiming for 32hz and at or just under 12 cubes.. leave the port opening 5" from the back wall & extend it up 2" to keep the tuning u want... moving the port like matt said making it an L shape should never change the tunning or air space your doing something wrong like i said if you keep it the way it is you will be robbing yourself of some serious output you have a 5.5 port opening make sure there is at least 5.5 inches of opening everywere on the port from all the walls you do want to be loud right? Edited January 6, 2012 by Team Bassick (ALPINE) Quote Have you ever had your woofers blown? Link to comment Share on other sites More sharing options...
stanbro Posted January 6, 2012 Author Report Share Posted January 6, 2012 misunderstood.. now I'm with it thanks net volume goes way up to 14.10 and tuning drops to 23.73.? and I'm aiming for 32hz and at or just under 12 cubes.. leave the port opening 5" from the back wall & extend it up 2" to keep the tuning u want... moving the port like matt said making it an L shape should never change the tunning or air space your doing something wrong like i said if you keep it the way it is you will be robbing yourself of some serious output you have a 5.5 port opening make sure there is at least 5.5 inches of opening everywere on the port from all the walls you do want to be loud right? Quote Build v1 15" Skar VVX (custom ported box) w/1.2k Sundown ampBuild v2 18" DC XL x2 (custom ported box) w/4.5k Skar amp Build v3.3 destruction and re-construction time! Link to comment Share on other sites More sharing options...
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