I just got my 1050 after using a Denon AVR 1800 for two years. My questions is this; I was watching a DTS movie last night, my settings were; surround, dts, 5.1. The sound was great, full bodied and clear with good seperation. When I hit the 6.1 button on the remote the DTS light went off on the reciever window and Direct came on along with the 6.1 surround light. The back channel was giving sound but the overall sound volume decreased and I didn't feel the quality was as good as when it was 5.1 DTS. Am I missing something here? I have had a longer learning curve with this than the Denon, which I found to be more user friendly. From a sound quality standpoint the 1050 is a better sounding reciever on music and equal to the Denon on movies. Any help on understanding the proper use of 6.1 would be great.