Ported for 37hz. 1.0cuft. including displacement, Two ports round. 3.5" diameter X 26" long.
Box needs to be 14"wide X 28"long X 8.5" deep. using 3/4" MDF
Thats two pieces 14"x28" Top and Bottom.
Two 28"x7" front and back
Two 12.5"x7" two sides,
Put the ports in one side of the box, split...