[CAUT] Thumping Baldwin SF and Bechstein C

Andrew Anderson andrew at andersonmusic.com
Tue Dec 23 15:21:51 PST 2008


That also sounds likely.  It did seem to be a resonant thump.  Mind  
you it did it on light blows too.

Andrew

On Dec 23, 2008, at 10:31 AM, Bob Hohf wrote:

>
>
>>>> What bothered me was excessive action noise, thumping on every
>>>> key.  It started to stand out in the midrange
>>>> so I pulled the action thinking there must be foreign objects or
>>>> bedding issues.  No FOs but bedding might be an
>>>> issue, no glides.
>>>>
>>>> Is this a typical feature of Baldwins or is this likely a bedding
>>>> issue?
>
> If your thumping has a pitch, it may be the wooden hammer rest rail  
> that has
> just the right length and stiffness to resonate when the shanks  
> strike it.
> If this is the case, you may be able to mute it by putting some soft  
> felt
> pads between the rail and the nuts on the rail supports.  If this  
> doesn't
> work, you may have to make a new rail that doesn't resonate.
>
> Bob Hohf
>
>




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