SPL Test:
SPL Test Results

Sorry this took so long. But here are some results. It isn't as flat as I'd like but I think the 40 Hz dip may be a room node at my listening position. Other than that it isn't too bad.

This was by no means a max SPL test, this was only to see how flat the box's response was. When I get some more time maybe I'll do a max SPL run on it.