When a piano is more than a little out of tune, tuning causes a significant change in the pressure on the piano. My technician says my piano will need a "pitch raise" before it's tuned. As a result, pianos that are neglected for a year or more often require two or more tunings to reach stability, while a piano that is kept reasonably in tune holds its tuning better. As it adjusts the string tension is changed slightly and the piano needs tuning again. When the strings are pulled up to proper pitch again, the piano typically requires days or weeks to settle again. When a piano is allowed to go out of tune, the string tension is reduced and the piano settles to the new lower tension. A piano adjusts to the tension of its strings (typically 38,000 lbs of pressure). Letting a piano get very far out of tune isn't good for it, but the harm is rarely irreparable. Can not keeping a piano in tune damage it?Ī. The amount of use a piano gets rarely has much effect on its tuning unless a pianist plays extraordinarily hard. It's not so much playing a piano that causes it to go out of tune but rather changes in temperature and humidity, and settling of the piano itself. Will my piano need tuning if it hasn't been played much? At a minimum, a piano should be tuned at least once a year.
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