ok im building 2 boxes, the first is for a 15" BL, the box is 4cu tuned to 30hz with 2 3" ports, will that male each port 8.40"??
and the other is for a 15" L7, same box specs.
also im gonna have to subs facing the trunk and the ports facing the rear seats? is that OK?? also do i have to have the ports side by side or can i have each port on each end of the box??