Revel, B&W, Magneplanar, Vandersteen all do this - but you won't see them put their trade secrets out publically.
The above all have been in biz a long time and have a lengthy period of development towards a certain subset of goals for a perfect speaker. No speaker does everything perfectly so you need to listen and decide what criteria are most important to you.
I believe the closest approach to perfection would be to build a large warehouse in the desert near a BPA high voltage line and put 4 maggie 20.1's in it ....
The above all have been in biz a long time and have a lengthy period of development towards a certain subset of goals for a perfect speaker. No speaker does everything perfectly so you need to listen and decide what criteria are most important to you.
I believe the closest approach to perfection would be to build a large warehouse in the desert near a BPA high voltage line and put 4 maggie 20.1's in it ....