Should all my speaker be set to small? I have the Rf-62 II towers for my front left and right,RC-62 II for my center channel, and RF-42 II towers for my rear surround left and right. Should I have all my speakers set to small and at 80Hz. My receiver doesnt allow me to change Hz, need to get a better receiver, like Denon, Harmon Kardon, Yamaha, or Pioneer Elite.