View Full Version : common chamber port

08-28-2008, 07:04 PM
i need a port length calculated for a common chamber box.4.5 cubes net for 2 12's port area is 64 inches, how long would it have to be to tune to 38hz?

08-29-2008, 07:48 PM
16" long, but that number will change a little if that 4.5 cubes is not including sub displacement and port displacement so keep that in mind

08-29-2008, 11:02 PM
ok well its now 1 -15 not 2 12s so i should be fine.thanks