Limited soundstage between speakers

Typically a major factor is the toe in of the speakers and distance between them. Certainly it is speaker dependent. Assuming a good stereo recording.

Are your speakers in an equilateral triable with you seat. How big is that triangle? If too big it can’t support a stable central image. Then start with you speakers pointed to cross 18” behind your head. Then slowly decrease the angle… at some point they should maintain a good central image and the sound field beyond speakers.

My speakers are known for their ability to disappear. But they did not at first. Toe in was to be behind my head. But turned out to work with no toe in.

Also speaker distance from wall (also effects image depth)

Too much reflection from behind speakers.

+1 sonic79

I remember a member saying in a well acoustically treated room the speakers should not require any toe-in regardless of their design. My setup proves he was dead on correct. 

+1 ghdprentice

+1 baylinor

Also, see if its possible for you to implement the Cardas Near Field recommendation, among others, as outlined in :  http://www.cardas.com/room_setup_main.php

+2 baylinor. Mine too!