Hi Patrick, The previous data that I spoke of was from a pair of Yamaha p2s. I live in a very extreme climate and most pianos here would drop similar amounts At 04:06 PM 06/01/2000 -0400, you wrote: >Dear Don, >While I salute your attempt to find a rule of thumb for RH: cents deviation. >my gut feeling is that calibrating it on an instrument that drops as much as >108 cents when going from 45% RH to 18% RH may not be the "ideal case". Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. Tuner for the Saskatchewan Centre of the Arts drose@dlcwest.com http://donrose.htmlplanet.com/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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