Need Help On Sub Box

[jesusbasscadill 10+ year member]

I'M MAKING A BOX FOR 2 15" PPI FLAT PISTON SUB'S,SINGLE 8ohm,WITH 3/4" MDF. H-24" W-41" D-28".I NEED HELP ON THE PORT SPECS?I WANNA USE 4"BUT WOULD NOT KNOW HOW LONG.ALSO,THE BOX IS GONNA HAVE A CENTER PIECE FOR INDIVIDUAL AIR SPACE(20.5" EACH SUB)IF ANYONE CAN HELP OUT,PLEASE SEND ME YOUR THOUGHT'S OR IDEA'S.NO NEGATIVE RESPONSES PLEASE.EVEN IF YOU HAVE A SPEC FOR SLOT PORT OR NO CENTER PIECE WITH SINGLE CENTER PORT WOULD HELP.I'M GONNA POWER THESE BABY'S WITH A PPI PCX2400 AMP!

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[J3M Concepts 10+ year member]

If noone replys Ill put it in TermPro's box building program at work Tuesday...what you want it tuned at? or if you want the box to peak at a certain frequency post the t/s specs and Ill do it that way

 

[J3M Concepts 10+ year member]

bump for info