If you reverse the phase of both of the channels then the Phils will throw a soundstage a couple of feet in front of the speakers. To be clear, just connect the negative output of the amp to the positive terminal of the speakers and the positive output of the amp to the negative terminal of the speakers. (EDIT: Both channels so to keep the speakers in phase with each other.)
I have mentioned this before, but nobody has tried it and confirmed or refuted this.
Bob