I would also be interested in the affect of the mic, but just so you know, I spoke with someone at Meridian USA who told me the RC proceedure will calibrate itself for any mic and therefore almost any mic will work and the RS SPL meter should work just fine.

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