>Andrew Remillard wrote >1) I really doubt turning on the heat caused to piano to go all that flat. It >can take up to a week for a sound board to adjust to a change in environment, >not a matter of minuets Although, yes, it can have some minor impact on your >tuning, I rather doubt that is what you ran into. RUBBISH! Yes, changes in humidity can take awhile to show up, but having the heat turned up -- especially when the vent is very near the piano -- will have an immediate effect, which is obvious to a tuner using an ETD. The iron plate and the steel wires, change in temperature (and expand), going flat (up to a couple cents or more) within seconds of a temperature change. Patrick
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