I have a cabinet that I am going to convert into a subwoofer. I have used Bgavin's charts, and port calculation website in order to design it. But Now I am wondering about the location on the speaker and ports. is there any advantage to have the speaker closer to the ground? ______ | o o | | .O. | ------- as opposed to higher: ______ | .O. | | o o | ------- Thanks!