R ralph h Guest Oct 18, 2008 #1 ImMaking a 3.5 cubic foot subwoofer box and i want to tune it to 31 hertz how do you tune it to 31 hertz the port legnth width and hight I have one orion hcca 12.4 sub 2000 watts rms 4000 peak 30mm X-MaX
ImMaking a 3.5 cubic foot subwoofer box and i want to tune it to 31 hertz how do you tune it to 31 hertz the port legnth width and hight I have one orion hcca 12.4 sub 2000 watts rms 4000 peak 30mm X-MaX