Hi, First i would like to thank for such an informative Board. I'm putting togheter my first HT, kinda bits and pieces to start with. Just bought the main piece Sherwood RD-6108 and i'm getting used to the funtions on it. My Sub is an old Yamaha YST-SW40 and while reading the manual on install they have acouple ways of hooking up to the rcvr: 1st: connecting the front speakers to go through the SUB from which is speaker wire connected to the rcvr. -:2nd: Use the sub out-pre amp to the SUB,,the manual for the SUB explains that to connect that way the rcvr must possess at least to sets of pre out terminals(the 6108 only has 1 sub-preamp out).They also say that if using a Yamaha DSP amp then it can be connected through the low pass(sub out etc..) using one cable(the Sub has two inputs poles-L-R). What your takes on this? Thanks alot!