Yesterday I recalibrated my home theater because I bought a tripod to put my spl meter on. Need some clarification on what my reference level is. I used the Sound and Vision Home Theater Tune Up DVD. SPL meter was set at 70db and used the front left test tone to set the volume on the receiver which ended up being -10db. The results of the test were FL: 1.0db, C: 0.0db, FR: 0.5db, Surrounds: 1.5db, SUB: 0.0db. For movies the volume is normally between -10db and -13db and is comfortable listening wise. Music is between -17db and -22db. Equipment used Fronts: Polk R50, Center: Polk CSI20, Surrounds: Polk R15, Sub: Polk PSW250, Recvr.: Denon AVR2805, DVD Player: Pioneer Elite DV45A. Any help would be appreciated.