Unless you also have a pretty decent monitoring system the group delay of the speakers isn't going to be consistent so the filters before them wouldn't matter all that much...
Even in that case I would have a hard time believing that any human in a blind test would be able to perceive a group delay of even 360deg above 2k...
You are talking about sub milliseconds differces in the time frequency content arrives at the ears, just tiling your head slightly will have a greater impact...
Unless you also have a pretty decent monitoring system the group delay of the speakers isn't going to be consistent so the filters before them wouldn't matter all that much...
Even in that case I would have a hard time believing that any human in a blind test would be able to perceive a group delay of even 360deg above 2k...
You are talking about sub milliseconds differces in the time frequency content arrives at the ears, just tiling your head slightly will have a greater impact...