[pianotech] Sound from strings

[Ryan Sowers]

I recognize those pictures! They are patented pedal-activated adjunct
harmonic  stimulators. Its a classic effect!

On Tue, Mar 31, 2009 at 10:24 AM, Conrad Hoffsommer <hoffsoco at luther.edu>wrote:

> Stéphane Collin wrote:
>
>  My understanding is that this sound comes mainly from the W shaped damper
>> felts who rub against the strings when they are lifted.  This is why older
>> pianos don't have this problem, as they have smaller dampers and some have
>> flat damper felts, who don't cause the objectionable sound, even on the
>> bass
>> strings.
>>
>
> This what you mean?
> ;-}
>
> --
> Conrad Hoffsommer, RPT - Keyboard Technician
> Luther College, 700 College Dr., Decorah, Iowa 52101-1045
> 1-(563)-387-1204 // Fax 1-(563)-387-1076
>



-- 
Ryan Sowers, RPT
Puget Sound Chapter
Olympia, WA
www.pianova.net
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