Knabe grand

[Robert Goodale]

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Dad's wrote:

> ListI tuned a Knabe Grand and broke a bicord string. This piano shows a history of string breakage at random across
> the scale(to date 6 places).The first tuning I did 6 months ago I broke a string just above the break. The piano has a
> very steep rise from the agraffs. Its at A440. I can't see any reason for the problem. Is this typical of Knabe grands
> of this vintage, or is it just this one. I have tuned 2 or 3 over the years, and one for a different client once a
> year for several years. Any clue?

With this age is there a change that the piano has been restrung in the past?  If so it is possible that the technician
that did the work might have changed the scaling to something with higher string tension.  This could explain a lot.

Rob Goodale, RPT
Las Vegas, NV

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