"As I have written before in these pages, measuring physically large speakers with in-room quasi-anechoic techniques is in some ways a fruitless task. The usual assumption, that the measuring microphone is very much farther away than the largest dimension of the speaker being measured, is clearly wrong."
In the end, what you hear is in-room response where measurements assisted my choice of speaker and bass trap placement in the critical Schroeder frequencies. Third octave results:
