Haven’t ever seen this before . . .

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Haven’t ever seen this before . . .

c517
Normally we tuners measure pitch by “A”. Concert pitch is “A440”. That is the frequency of concert pitch. The Crown piano measures pitch by “C 517.3” which comes out to be somewhere around A438ish. I wonder why they did this??

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Certified piano technician. North Bennett Street graduate. In business since 2003. Specializes in vintage electric pianos (Rhodes, Wurlitzer electric pianos). From a standard tuning to a complete rebuild - pianos by jay does it all. Shop located in Somerville, Ma.

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