----- Original Message ----- From: "Ron Nossaman" <rnossaman at cox.net> > I know what the thing is, Fred, I just haven't found the result to be a > problem with these pianos, other than having to let them cool down a bit > before tuning. > Ron N Ron, I'm curious what happens to the tuning after you close them back up? I have a situation in a small college teaching studio where the AC is uncontrolled. It will usually be 63 degrees in August and somewhere around 80% RH. Pitch swings were wild, so I installed a dehumidifier only system. I'm thinking of carrying a space heater with me next time to warm the room some before I open up the 2 Yamaha P22s. I figure if I let the strings cool down to the room temp, then tune them, then close the piano back up, the tuning will go haywire in 20 minutes. Jeff
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