• 1
    Step 1

    This time some calculations for the correct volume and porting based on the sub-woofers I have. Cheating using the calculator at http://www.bcae1.com/spboxnew2.htm

  • 2
    Step 2

    Ended up with a good compact enough size and tightly constrained to the calculated parameters. Cuts fit on one plywood board.

  • 3
    Step 3

    Found my plywood board!