[pianotech] Aurally pure octaves

David Andersen david at davidandersenpianos.com
Wed Mar 11 09:30:39 PDT 2009


Paul, my friend and honored colleague---I'll show it to you directly  
in Grand Rapids. Jim Coleman and I huddled about this last year when I  
did an all-day class in Phoenix. I showed it to him, Gravagne, and  
about 40 other techs. Showed 'em how all the fourths beat the same;  
showed 'em how the unison tripling effect seems to "disappear" some  
interval beating in a good tuning, as Mr. Stopper and Mr. Swafford  
have described. Come and see...we'll have fun...
DA


On Mar 10, 2009, at 11:42 AM, PAULREVENKOJONES at aol.com wrote:

>
>
> In a message dated 3/10/2009 1:24:48 P.M. Central Daylight Time, formsma at gmail.com 
>  writes:
> also need to learn how to set the middle string slightly above that  
> sweet spot so that when the other strings are tuned to the middle,  
> the pitch is correct for all three strings sounding together. (Pitch  
> does change somewhat when unisons are tuned to the middle string.)
> John:
>
> I know this has been posited, and claimed, but I have yet to see/ 
> hear/experience any proof of this "phenomenon". Can this be  
> provided? Thanks.
>
> Paul
>
>
> A Good Credit Score is 700 or Above. See yours in just 2 easy steps!

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