What would you say is THE MOST important factor to good imaging?

Some of the best imaging setups I have heard, the speakers were extremely far out into the room, as in dedicated listening space.

I keep my TAD’S on the long wall, almost five feet into the room (measured from the rear) since it’s not a dedicated room and can’t afford more space behind without making the listening distance too close.

The benefit of this setup is having them close to 10’ from the side walls.

When I first purchased the loft space, was planning on placing them on the short wall to allow a little more space behind the speaker, and a more distant listening position.

However, I had THE Andrew Jones look at the raw space before I moved in and he suggest the long wall setup, and I who am I to argue with a trained physicist. 

 horns just have a diffused "wall of sound." 

Utter nonsense. If you can’t get horns to image, you are doing something wrong. And horns are a lot more directional than planars. You are very confused.

Oz

Utter nonsense. If you can’t get horns to image, you are doing something wrong. And horns are a lot more directional than planars.
You are very confused.

Amen to that Ozzy.

THE MOST important factor to good imaging?

The Preamp

There is only one , get everything right  . You can get a decent system  from the buy and try necessity for about 100 K .