pls help me, i want to know which one can be much louder dual ported 5 cf @ 38hz or (2) 2.5 cf @ 38hz? my woofer are 2 12L72. i was thinking for dual ported so i can save a little more space.
and another question , this coming April 2 theres a competition im my town.i want to join but i dont know if in which category SPL or SQL? any suggestion pls..