slot port vs round port

Subwoofer Port Calculator slot port vs round port FITMENT BOXES SLOT PORT BAKKIE BOX RESIN PORTED SPL BOX DOUBLE CAB BOX SLIMLINE BOX DUAL 15 SLOT PORT BOX 3 PORTED BOX 6X9 BOX CAR slot ranking Generally speaking, I've found you can get away with up to 20% less port area with a round port compared to a slot port, but this is under ideal

slot step A round port requires installation of a tube which is no more complicated than installing a driver A proper slot port requires something along