I recently purchased a Bravus 10D to connect to my Yamaha RX-V569 receiver. I have an exclusively aperion setup with 532 bookshelves, 533-vac and the new 4bp bipole surrounds. The problem that I'm running into is that my sub is not behaving well with the system. When I first set it up it took over an hour to coax it to play anything from the ...