[pianotech] How long do unisons hold?

Ron Nossaman rnossaman at cox.net
Tue Mar 9 12:19:33 MST 2010


reggaepass at aol.com wrote:
> 
>     I get the impression that the general piano-owning public thinks a
>     tuning should stay perfectly locked-in for about a year. 
> 
> ... or six months, or whatever interval they have come to accept, and 
> then, supposedly the piano SUDDENLY goes out of tune. :
> 
> Alan Eder

Some tunings last for three or more years, then go out 
suddenly just as a key, coincidentally, sticks...
Ron N


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