S sholiz 10+ year member 145.6dB ... 309 0 Michigan Sep 7, 2008 #16 8.45 cft net 140.63 square " of port area 35.00 inches of effective port length 16.64 square " of port area/cube 8.45 cubes/sub 31.64 hz
8.45 cft net 140.63 square " of port area 35.00 inches of effective port length 16.64 square " of port area/cube 8.45 cubes/sub 31.64 hz
OP adam_merseal 10+ year member Senior VIP Member 399 0 DeSoto,MO Sep 7, 2008 Thread Starter #17 So what are the demensions of this box? I have to know the inch lengh and height of the walls and port.
So what are the demensions of this box? I have to know the inch lengh and height of the walls and port.
GearGuy2001 10+ year member CarAudio.com Veteran 2,476 1 South Beloit, IL Sep 7, 2008 #19 http://www.reaudio.com/speaker_box/LPort_Box_Calc.html For the numbers put 40 22 23 23 0.75 6 4 You get a box that is 7.6 ft^3 tuned to 33.2Hz with a Square Port Area of 123"^2
http://www.reaudio.com/speaker_box/LPort_Box_Calc.html For the numbers put 40 22 23 23 0.75 6 4 You get a box that is 7.6 ft^3 tuned to 33.2Hz with a Square Port Area of 123"^2