George, if I wanted to keep my surround channels could I use a combination of calibration settings- eg- figure the offset from the front channels and tweak there to adjust for the +3 on the fronts and then use settings in the dsps to further adjust if needed?

Best regards,
Jerry
Main System: 861v6, DSP8000s in corners, DSP7000s Center and Sides, 1-9 humans.