Tuning my enclosure

robbiejoe douglas howard New member Username: Rhoward20120 Post Number: 5 Registered: Dec-09	Posted on Tuesday, March 30, 2010 - 15:30 GMT ok to start off i have built a box with a 2.2 cubic feet internal volume my subwoofer said it needs to be ported at 40 hrtz how do i do this
robbiejoe douglas howard New member Username: Rhoward20120 Post Number: 6 Registered: Dec-09	Posted on Tuesday, March 30, 2010 - 15:49 GMT the 2.2 is not taken out the displacement of the sub. is the displacement represented by vas isnt it
robbiejoe douglas howard New member Username: Rhoward20120 Post Number: 7 Registered: Dec-09	Posted on Tuesday, March 30, 2010 - 16:10 GMT ok scratch my two previous post. the dimension of the box with the displacement taken out is 1.8535 cubic ft i have two round tubes that r four in round and 4.5 in long what will that tune my box to