Hey I called Alpine to have them help me "build" a dual 10" slot-ported box using their programing. The guy told me the box was to be 28" wide, 14" deep, and 11.25" High. He went with a single 'T' shape port in the middle. The port dimensins were 3in wide, and three inch from the back side. I think they also said 3in from the box sides. I asked the port lengths and they told me 9.75 and 7.5 for the port backings. All of this is supposed to yield 35Hz. The only thing is when I put it all down, it doesnt add up? Can anyone help me find out where either they or I went wrong?? popjpeg{147107,Upload}