Sudden damper buzz syndrome

[Stephen Papastephanou]

I had the exact same experience with a Yamaha C7 and the cure prescribed
below cured immediately the problem.
S.P.

On 11/19/06 12:15 AM, "WilsonianJ at aol.com" <WilsonianJ at aol.com> wrote:

> Dear Geoff,
> 
> I have a sneaking suspicion that the dampers are "crusty" and are "sizzling"
> upon contact with the strings.   Your client may have only now noticed after
> listening more intently to your tuning.   I highly doubt that the issue was
> caused by your tuning, but your client may believe differently. The quick fix
> for sizzling dampers is to remove the damper and soften the felt a bit.   It
> doesn't take much so if you very conservatively scratch the surface of the
> felt, you should ameliorate the problem.   Roughing up the felt too much will
> cause leaking dampers. Try it on one or two first to see if that's the
> problem.   
> 
> Good luck, Geoff,
> 
> Jim Wilson, RPT
> L.A. Chapter
> 
> 
> 
> In a message dated 11/18/06 7:34:07 PM, thetuner at ivories52.com writes:
> 
> 
> Greetings all --
>  
>  Last week I tuned a customers Kawai grand piano. The customer was out of town
> so he left me a key to his studio. He returned the other day and while he is
> happy with the tuning and the other repair work I completed he mentioned that
> all the wound strings are now exhibiting a buzz when the damper comes into
> contact with the played string. Once the damper has completely engaged the
> buzzing stops and the strings damp correctly. He says it is objectionably
> noticeable only on the entire wound bass string section of the piano. This is
> not something that I noticed while I was there so I'm curios as to your
> thoughts on what could have caused this and what I might be able to do to
> affect a timely fix. FWIW, he lives a couple of miles from the beach but has a
> DC de-humidifier installed. The piano also lives in a small, relatively well
> sealed but otherwise non-climate controlled garage studio.
>  
>  -- Geoff Sykes
>  -- Assoc. Los Angeles.
> 
> 
> 
> 


-- 


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