My current design for 2 12" type r's.
This is inside the box is
Length=37.5
depth=14
height=12
Making 2 ports 12 x 1.25 x 22
The only part im confused on is the port length with a L bend?
do i take the 14-1.25=12.75 so that would be the port wall going back then 22-12.75=9.25 but have to...