Yamaha out of tune

[David ilvedson]

Just curious...why A442?

David Ilvedson, RPT
Pacifica, CA

> From:          "Elian Degen" <degen@telcel.net.ve>
> To:            <pianotech@ptg.org>
> Subject:       Yamaha out of tune
> Date:          Sat, 29 Aug 1998 14:26:39 -0400
> Reply-to:      pianotech@ptg.org

> Hello List and all
> 
> My experience with Yamaha, and I have seen lots of them in the last years,
> is as the easiest piano to tune and Yamaha tunnings last a long time ( they
> have greater stability than many pianos. )
> 
> Several month ago I was called to repair a Yamaha, it is an Upright model,
> serial  M1JD3467278, not much to do, an action adjustment, some hammer
> reshaping, very much out of tune, but I considered it was dur to the long
> time without service. I took the pitch up, tuned it to 442, and I convinced
> him to have it tuned twice for the next month.
> 
> After that he kept calling me and every time I check the piano is out of
> tune again, tuning won't last a month.
> 
> I checked tunning pins, they are firm and look excellent condition.
> I checked the bridge, hitch pins.
> Cheked humidity and temperature
> 
> Also pitch stays were it is (442) in general,  when I tune it some strings
> seem to be higher others lower, to give you an idea they move about half
> beat appart from each other. I haven't seen anything like it.
> 
> The place where the piano is located is cool, stable temperature, there are
> no heaters nor air conditioners,
> 
> The pianist plays nicely, doesn't strike the keys.
> 
> If anybody has any idea........
> 
> 
> Thank you
> 
> Elian
> 
> 
> 
David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net