Posted May 11, 200718 yr doing a wall with 3 15" inch BTLs total box volume internal is 15.5 cubic feet how do i figure out the rec port area with 12-16 sq inches of port per cubic foot? really lost here i keep coming out with really high numbers
May 11, 200718 yr just multiply how much CuIn you wanna use per cube by how many cubes you have so 16x15.5=248sqin of port
May 11, 200718 yr Author when they reccomend "between 12-16 sq inches" whats the reasoning for choosing the right amount?once i figure out the port area.. how do i figure out how deep the port needs to be for tuning? or is that determined by the area of the port?????
May 11, 200718 yr http://www.reaudio.com/speaker_box/LPort_Box_Calc.htmlorhttp://www.subwoofertools.com/forum/ported-box.asp