What I'm saying is that Denon gives you 2 sets (A+B) of surround outputs (I'm not referring to the surround back outputs) to allow the user the capability, if he so desires, to have 2 different sets of surround speakers in a 5.1 setup; one set for movies and one set for music. What sort of...
That is also incorrect. As he said, his receiver has 10 speaker outputs. Denon provides 2 sets of surround outputs, A & B (B is not "surround back") so that a user can use 2 different sets of surround speakers, separately, if he so chooses; ie. a diffusing set of dipoles for movies and a set of...