James, In case your specific question hasn't been answered, beats per second is the same as Hz. So 2 beats per second difference from A 440 would be 8 cents. Tom Cole On 1/20/11 5:52 AM, James Sasso wrote: > Thanks for all the input and suggestions. I don't understand the math > of the beats vs. cents ratio although I would like to learn more about > that. There must be some mathematical formula. The fork (warmed to > room temperature) beat 19 times in seconds or about 2 beats per > second. How does that translate into cents in the A440 range? The fork > is stamped A440. The fork was compared to Tunelab (calibrated via > phone) and other cheaper tuning devices and all were 6-8 cents flat > (if those numbers on the right side of the box in Tunelab equal > "cents"). I value the suggestion to return it--I'm too busy to > experiment with filing an expensive fork that far from appropriate > pitch. Jim, I like your quartz suggestion; can it be used for the > tuning exam as it can't be visual, only aural? > Jim > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20110120/8771115c/attachment.htm>
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