SORRY NO PICS
obviousely, the 22 doesn't even exhist yet... but here's stage 1 complete
Took some quick measurements today, have about 48" X 32" X 24" externally, going with a 3" X 22.5" X 77" slot port. That makes 14.8 cubes before sub displacement.
Making up for any errors, 14 cubes @ 12Hz...
I realize that the 20-39 plus is the match for the PB12 Plus box.
I also realize that it is NOT recommended to use two port bungs to lower the tune too much.
what's the difference between a 20-39 with two port bungs and a 16-46 with one port bung (both tuned to 12hz)?
does that mean the...