Quote:
Originally Posted by
dave-n-kelly 
Jay, just to clarify:
just give a 4" port at least 4" of clearance from boundaries
is this from the sides of the box or just the end of the port? Also, should I do a small plate with a roundover inside the box on the other end of the port?
Just the end of the port. Putting a round over on the inside is ideal, but not mandatory.