3 12 inch sub help

[AcidNoiz 10+ year member]

Ok, I have 2 subs that are Pioneer IMPP's and one 12 Pioneer Ultra i want to make one Complete bow for all 3 ultra in middle and the other 2 on sides in a U type shape. What needs to be done other than seperate chambers? Can this even be done because i have read its not good to mix and match etc etc etc. Soo if anyone has a Written dimension plan or if this is possible plz give some feedback thanks.

Acid

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[brandontw 10+ year member]

mmmmm. make the chamber for the ultra to its specs, then the others identical on each side to their specs...if you must. you still shouldent mix subs

 

[AcidNoiz 10+ year member]

Well the Ultra was given to me and i tole them id use it blah blah blah bein nice n all just wondering Thanks and its my first box so yah know lol where can i find out what sub needs what space etc?