Looking for some advice. I have tried moving both my speakers and my subwoofer around to multiple locations and have tried playing with the crossover setting in my reciever but I still seem to be getting poor mid bass results. If I use the crossover frequency check on the Digital Video Essentials test dvd, the output drops considerably from the main speakers after the crossover point and then comes back again when the frequency gets low enough. I have made it a little better using a 60 hz crossover instead of a 80 hz but I am just looking for a little advice on what else might help. I have classic 340's up front and classic 170's for surrounds. Any ideas?