Sanjay, great explanation of the reversal effect. It's something I hadn't really considered but once you described it I know exactly what you are talking about.

Anyway, I'm one of those poor souls who has to have the listening seats up against the back wall so I have eschewed rear surrounds for now. What I'm wondering is have any of you outlaws tried putting the rear surround speakers on/in the ceiling and maybe aiming them at the back wall (or not)? It might be difficult to set up something to experiment with but my intuition tells me it might be somewhat effective. Granted it would be less than ideal, but I'm just wondering if anyone has some first hand experience with anything like that.

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Tekdredger