A 2 cube box, tuned to 30-35 hz.
Either two 4" aeroports or ~25 square inches of port area (if using a slot port).
The standard sub/port position is to have both on the same plane, this is where a TCAB usually differs. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif