[pianotech] Noise from strings after sustain pedal is depressed

[Andrew & Rebeca Anderson]

If the damper felt is really soft, it may help to use the parallel  
damper pliers to compress it a little.  Do this after trimming excess  
felt that hangs under the strings.

Andrew Anderson

On Mar 20, 2009, at 11:41 AM, Joe And Penny Goss wrote:

> Hi Renee,
> It is usually caused by all the damper felt dragging against the  
> string as
> the dampers are raised.
> Usually not noticable when only one damper is raised with the key or
> underlever.
> Cure is to carfully trim the excess damper felt that sticks down  
> below the
> wire on a grand.
> If an old upright there is usually lines on the felt where the  
> damper felt
> has rested against the strings over the years that you can use as a  
> guide to
> snip off the excess felt. A good pair of SHARP sheers is a must for  
> this
> work
> Joe Goss RPT
> HTHs
> Mother Goose Tools
> imatunr at srvinet.com
> www.mothergoosetools.com
> ----- Original Message -----
> From: "Renee Ingeberg" <ringeberg at mac.com>
> To: <pianotech at ptg.org>
> Sent: Friday, March 20, 2009 9:18 AM
> Subject: [pianotech] Noise from strings after sustain pedal is  
> depressed
>
>
>>
>> Does anyone know why some instruments have noise coming from the
>> strings after the sustain pedal is depressed and others don't? Its
>> like a swishing sound...
>> Causes, etc.
>> Would appreciate any help.
>>
>> Renee
>>
>>
>>
>
>