so i built this box the other day for 4 polk dxi 12's, its not very loud, and the subs seem to be bottoming out very easily....
its right about 5.5cf with 70sq" of port, should be tuned to 33hz
my question is could the rear two subs be unloading because they are like 1/2 way over the port?
or any other idea's on why this box blows
p.s. i put 2 of these 12's in my friends truck in 2.55cf tuned to 32 and its really loud
rd d9 @ .5ohm
2 sa Zv1's 5.8cf tuned to 48 or 32 with port plugs
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