[pianotech] Double Striking Console

Don pianotuna at accesscomm.ca
Wed Aug 19 10:22:18 MDT 2009


Hi Blaine,

I've never met a piano player who did not object to double striking hammers.

At 10:59 PM 8/18/2009 -0700, you wrote:
>Britney,
>
>Your problem is actually fairly common on newer pianos, I have even 
>heard it on nice studio consoles and even a few grands.  Apparently the 
>hammer gets ahead of the jack and rebounds back against the un-let-off 
>jack and hits the string a second time.  This is common because it often 
>happens so quickly that it is nearly unnoticeable and a high speed 
>camera or sound track would be needed to pick it up; most players aren't 
>bothered by it.
>
>Decreasing the hammer blow, then taking out the lost motion might 
>advance the jack let off enough to resolve the issue, but I would only 
>try it on a few test keys first before doing all this work.  Increasing 
>the let off might be your only hope if that doesn't work.
>
>Blaine Hebert RPT
>
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18:05:00
>
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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