Terry, Talk about splitting hairs - unless you are a perfectionist or a REAL musician, what difference does it make. (Going out on a limb) Probably, most customers don't even know what A440 means. Flame suit on Farrell wrote: >Significant digits. Scientific/mathematical concept. A440 technically means >closer to 440 Hz than 441 or 339, or between 339.5 and 440.5. If you want to >specify A440 and not 440.1 Hz, then you would need to indicate A440.0. > >So, if you indicate on your invoice A440, as I do, you are technically >indicating that A4 could be tuned to a frequency of 440.43 or perhaps >339.579 or wherever between 339.5 and 440.5. > >Terry Farrell > > -- Duaine Hechler Piano, Player Piano, Organ, Pump Organ Tuning, Servicing & Rebuilding Associate Member of the Piano Technicians Guild Reed Organ Society Member St. Louis, MO 63034 (314) 838-5587 dahechler@charter.net
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