Posted August 2, 200916 yr they recemmend on the Q12 to be tuned at 32hz on the ported enclosure. But what size enclosure and what size port?
August 2, 200916 yr Sealed box: .8-1.5 cuftPorted box: 1.8-2.5 cuft @ 28-33HzYou'll probably want 20-30 sq. inches of port area. Length of the port depends on the size of the enclosure once you figure out port area.