Hi, Jim, Theoretically, the piano would have more volume at sea level and less volume as the altitude increases. Thinner air = weaker tone. There is a neat experiment that I have seen with a fire alarm bell placed within a sealed jar. A vaccuum is created resulting in very low air pressure within the jar. Although the bell is very loud at normal air pressure, when the vaccuum is applied, the sound fades until it is hardly audiable. Whether or not 5,000 feet would be high enough to result in a noticable difference, I don't know. Stacy Adams PTG Associate Member > > What difference does this lower pressure make in the tone of a piano say > when played at sea level and then played at 5,000 feet? Would it make any > difference mountain folk? > Jim Bryant (FL)
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