Hey, after looking around here at most of your equipment I'm truly not worthy! I am replacing a 13 yr. old Archer surround sys.:b with a Aiwa AV-D97. My sub (audiofile 100w)was hooked up old style (line)?, now I have a new klh120w sub I want to add also, both of these have L/R jacks. Should I "Y" off the sub out from the receiver and "Y" again to these inputs? Also is there any way I can check the output of this receiver it seems grossly underpowered( it does'nt sound as good as the old 25x4 Archer!) Prob. many more Questions to come.