* Re: Sudden damper buzz syndrome

[ed440 at mindspring.com]

Sonicare is exactly the brand.  It doesn't "sand," it "massages" with a gentle buzz and opens the compressed fibers.
Ed S.

-----Original Message-----
>From: Geoff Sykes <thetuner at ivories52.com>
>Sent: Nov 19, 2006 3:03 PM
>To: tune4u at earthlink.net, 'Pianotech List' <pianotech at ptg.org>
>Subject: RE: * Re: Sudden damper buzz syndrome
>
>It's really funny that you suggest this. I recently had the "opportunity" to
>sand down a soundboard in preparation for refinishing. It had just received
>some shims to repair some cracks. Using a small electric palm sander I was
>able to get into most places, and even relatively close to the edges around
>the frame. But the job still involved quite a bit of hand sanding in the
>tight spots. Right after I finished that project I retired my SonicCare
>electric toothbrush and upgraded to a new Oral-B electric toothbrush. In
>retrospect of the sanding job I was actually thinking of a way to convert
>the SonicCare into an electric sander. I'm not sure I'm ready to try it for
>the first time on dampers, however. Have you actually sanded dampers with an
>electric toothbrush? Damper pads are pretty fragile.
> 
>-- Geoff Sykes
>-- Assoc. Los Angeles
> 
> 
> 
>
>-----Original Message-----
>From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
>Of Alan R. Barnard
>Sent: Sunday, November 19, 2006 11:21 AM
>To: pianotech at ptg.org
>Subject: * Re: Sudden damper buzz syndrome
>
>
>
>Two words: Electric toothbrush. Hint, don't use any toothpaste.
>
>Alan Barnard
>Salem, MO
>Joshua 24:15
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>  _____  
>
>Original message
>From: "Stephen Papastephanou" 
>To: "Pianotech List" 
>Received: 11/19/2006 10:33:08 AM
>Subject: Re: Sudden damper buzz syndrome
>
>
>
>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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>-- 
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