[pianotech] Brass rail

John Delacour JD at Pianomaker.co.uk
Thu May 27 13:39:46 MDT 2010


At 00:44 +0000 27/5/10, Barb Nobbe wrote:

>...But, what about the jack springs?  I thought that the jack 
>springs for the Asian style were stronger than the American/European 
>style.  Or maybe I'm just imagining I heard something of the sorts. 
>Anyway, should I worry about replacing those too?

Almost certainly not.  They work over a tiny range and usually last 
forever unless they have been strained by careless handling.

JD




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