[CAUT] Thumping Baldwin SF

[Andrew Anderson]

Ron,
That describes the situation to a "T".

I think Jon's suggestion of putting felt between the keyframe and the  
keybed might reduce the drumming.
Maybe needling the knuckles
VS Profelt the whippen heals
Softer key end felt.

Anymore I left out?

Andrew Anderson

On Dec 23, 2008, at 10:21 AM, Ron Nossaman wrote:

> Andrew Anderson wrote:
>> I was called to tune a Baldwin SF yesterday.  It tuned up  
>> beautifully with a nice really clean treble.
>> 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?
>> Andrew Anderson.
>
> I've had them "donk" no matter what I did, usually on release. In  
> these cases, it wasn't bedding. The keys (or something) would ring  
> like xylophone bars. Did it in the piano, and on the bench.
>
> Ron N
>