Posted by HJP on December 21, 2005 at 16:26:55:
In Reply to: Since I have not heard them posted by Penguin on December 21, 2005 at 16:18:31:
Then the logical conclusion to this is a flat panel's focal point would be at infinity, clearly not the case. If memory serves here, I believe this must also take into account listening distance, the wavelengths of interest, panel dimensions and the effective radius of curvature.