so ive had a home theater set up for a long time but finally got away from my old AR speakers into some polk speakers. my set up is as such: pioneer elite vsx-90txv RTI10 - 2 for my front csi5 for my center rti a1 for rear acoustic research arpr1212 subwoofer My rear bookshelfs seem like they have as much sound as speakers in the front. i'm trying to get the right calibration for fit for what they should sound like in the rear. because my old AR speakers never put out this much sound. any help would be much appreciated.