@Duke I never had the maggies 2 feet away. I tried it today but really did not like it. As it is now, they are back to 5 feet away from the back and 2 ft away from the side. When I cross them to 45 degrees, the 'sweet spot' is broader but the image is blurred. I prefer the proper positioning for now, about 15 degrees toe in so that each panel faces my head. I do not understand how to measure the effects of reflections except for trial and error. So when you talk about reflections from the back wall, this is what I perceive as essential to the imaging. As a quick test, the image stays coherent even as I walk close to the imaginary line connecting the speakers and even walk past it towards the back wall. This tells me that I am hearing the reflections because the speakers are actually behind my head in this position. This 'walk close' test is how I 'measure' the reflection strength and direction. In terms of getting rid of the wall coverings, I never really tried that. I could just gather up the curtains with a tie to expose the wall and windows. Are you using dipoles (electrostatic, maggie, etc)?