I have just bought one of these and I am in need of tips for setting up. I have a Yamaha DSPE 800 Processor connected to a NAD C340 Amp, Kef Q55 fronts, Tannoy 632's rear and a Kef Cresta centre. The problem is the processor does not have a test tone for a sub, making it somewhat difficult. I watched U571 last night and was impressed by the presence of the sub (no pun intended), however, I could not make out if it was correctly set up, I could hear, the explosions but they were not earth shattering. What isthe best way at getting this thing set up, and what sort of sound am I really looking for, I don't want over blown bass, just nice tight extension on what already exists. Please some advice.