Guess I should've added the usual "etc." after "DPLIIx", Paul. You can apply Neo:6 with your 1066 to extract the surround ambience present in varying amounts in 2-channel material and send it to side surrounds and a center back surround. Also, DD EX can be applied to 5.1 movies to extract material from the side channels which is about equal in level in the left and right channels and intended to image in the back center, and send it to a back speaker for a better effect.

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Enjoy the music, not the equipment.