Conrad Yes, I remember the many pitch discussions with BB and the rest of them. To float or not to float.... :) So anyways... seems like your instrument over those last few tunings was quite pitch stable despite 40 % ~ swings in RH. Usual enough I suppose in oldies. I started keeping track of that kind of data for a while myself but ended up deciding it was a lot of data that in the end was not much use. I mean... we <<know>> that RH variation is not a particularilly good thing for pianos, we have some fairly easy explanations of why for customers to listen to, and we sell a fair amount of climate control schemes out there in the world, and well.... what else is there to do about it ? One ends up having to deal with it anyways if yer gets my meaning. Still, fun to toss around musings on the subject. Cheers RicB RicB, I have humidity numbers back to '91, but didn't record pitch of the A (as found) until I got my RCT. Yes, I always aim for =temp - 440.00Hz. [remember our discussions w/BB?] ;-}
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