This will be for Scapelli's 15" Omegas and specs come to:
-3.8 cubes net per sub
-59.25 sq inches of port area per sub
A look at the design...
Got the back on..
Rest of the pieces...
Rounded over the end port pieces..
Rounded over the port corners at the turn..
Got the port pieces clamped-up..
Port walls primered and painted...