[CAUT] inharmonicity in piano wire

Cy Shuster cy at shusterpiano.com
Thu Feb 5 08:57:32 PST 2009


Dr. Sanderson told me it's because higher frequencies propagate  
through wire faster, and thus resolve as sharper than the fundamental  
(which I don't completely understand).  It's *not* because of dead  
space occupied by the nodes between individual waves, he said.


On Feb 5, 2009, at 9:33 AM, reggaepass at aol.com wrote:

> List,
>
> I just received a query from a science faculty member at the art  
> institute where I work.  He asks how can it be that partials of  
> piano wire are sharp of what they "should" be?  I told him that my  
> very pedestrian understanding is that this phenomenon is due to the  
> high tension of piano wire up to pitch, but that is just me  
> repeating what I have heard "somewhere."  Is this response even  
> close to being correct?  Any further clarification as to why this is  
> would be much appreciated all the way around.
>
> Thanks,
>
> Alan Eder
> CalArts

Cy Shuster, RPT
Registered Piano Technician
www.shusterpiano.com



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