steve volz Posted July 22, 2012 Report Share Posted July 22, 2012 what should port area be on a wall thats 17cubes before displacement? its going to hold 4 15s. the box is 39wide 33high 28deep http://www.stevemead...new-xfl-pg6-57/americanbass hd 12d22 audiopipe 1800.1ppi s580.4rockford p1653 frontpolk audio 6x9 rearbig 3 Link to comment Share on other sites More sharing options...
Joe X Posted July 22, 2012 Report Share Posted July 22, 2012 what should port area be on a wall thats 17cubes before displacement? its going to hold 4 15s. the box is 39wide 33high 28deep That's actually going to depend on the subs and tuning frequency. Link to comment Share on other sites More sharing options...
john253a Posted July 22, 2012 Report Share Posted July 22, 2012 more info is required, what subs? amp? power? what do you want it tuned to? what do you want to achieve? another thing i think you have forgotten, unless you use 3/4mdf you will not fit 2 subs high in 33" and 3/4" will not cut it, youll need at least 1" if not 1.5" 39" wide minus 32" for subs, only leaves you 7", minis port walls leaves you with 1-6" (depending on wall thickness) witch is not enough youll need at least 7x30 or 7x31.5 if not 8" wide Link to comment Share on other sites More sharing options...
steve volz Posted July 22, 2012 Author Report Share Posted July 22, 2012 subs r gonna b americanbass xfls power will b between 4 and 6k and i want to tune about 32hz the box is going to b double 3/4" plywood on the front and 2x4 braces tieing everything together and of course everything will b glassed http://www.stevemead...new-xfl-pg6-57/americanbass hd 12d22 audiopipe 1800.1ppi s580.4rockford p1653 frontpolk audio 6x9 rearbig 3 Link to comment Share on other sites More sharing options...
bkolfo4 Posted July 22, 2012 Report Share Posted July 22, 2012 With a 39 x 33 baffle, you are going to be limited to less than optimal port area. Looks like you might squeeze a 36" x 5" port in there. Maybe you can angle the top and bottom in towards the subs to gain a little more area. Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz. Link to comment Share on other sites More sharing options...
Joe X Posted July 22, 2012 Report Share Posted July 22, 2012 About 220 -240 square inches of port area. Link to comment Share on other sites More sharing options...
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