Hi-Pitch / Lo-Pitch / A440 - When??


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Posted by Marty Neilan on June 17, 2002 at 12:17:25:

I am curious to know approximately what year A440 became the norm and supplanted the high pitch and low pitch standards previously used.

Any and all info will be appreciated, either online or via email.
Thanks!

Marty
martyneilan(AT)yahoo.com



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