View Full Version : need help with port size/box for 4 re sx 12"

08-26-2007, 08:01 PM
i got a 06 srt8 jeep cherokee on the way and want to build an enclosure for 4 12" re sx speakers facing up with port either in between them or coming out rear(facing tail gate) i only have experience with round ports and know i will need a square for these

i have 8.5 ft^3 net with sub disp. no port disp. factored in

should it be only 1 square port? and what size
what should the port size be this will be a daily listener occasional spl comp
where should i face the port ( port noise factored in)

i have 980bt premier deck/ audiocontrol spl160 meter, for in dash
2 optima yellow tops
0 awg kit wit isorelay,
eclipse 4 channel for mids 100x4
premier components 2 sets 6.5"
rockford 3.5" 2 ways for dash
already have factory amp bypass harness,
enough wire will be doing big three( with 0awg)
hifonics 3 way xover
2 mmats 2100.05
3 out of 4 re sx ( 1 not here from wlmccr yet off this forum:rage:)
3 trunk boxes of dynamat ( i will do whole car)

08-26-2007, 08:47 PM
sub up port back.

08-26-2007, 08:50 PM
thanks any recommendations on port size
what do yall use for bracing i usually use roofing brackets 3 per wall on 1" mdf and use heavy duty liquid nails for sealant

08-26-2007, 10:30 PM
try to make that box a little bigger 2.25 each net with 120 inches of port on the whole box.

08-26-2007, 11:43 PM
120 inches on the port?, i oculd prob squeeze another ft^3 out of it, how do i determine port lxw and depth?

08-28-2007, 01:41 PM
what freq should i tune this box to and can some one give me an idea for port dimensions, length width and depth
thanks in advance