string ringing, buzzing, etc.

David Ilvedson ilvey@sbcglobal.net
Mon, 19 Jul 2004 21:00:23 -0700


If you are only muting the offending note's duplex, you should know the ringing can come from other duplex areas.   You have to mute them all to find out!

David I>    



----- Original message ---------------------------------------->
From: Bec and John <bjsilva001@comcast.net>
To: Pianotech <pianotech@ptg.org>
Received: Mon, 19 Jul 2004 18:54:18 -0400
Subject: Re: string ringing, buzzing, etc.

>Hi,

>Thanks everyone for the replies! I'm pretty certain it's not the duplex 
>scale, since if I mute it the sound persists.

>It turned out the right string was not quite mated as the others, so I 
>reshaped the hammer properly. It did seem to make somewhat of a 
>difference, but the sound still persists.

>So I decided to loosen the string and remove rust/build-up where the 
>string goes into the agraffe, at the bridge pins and the duplex bar - 
>in case it was rust of some sort. Still no fix.

>I'm getting more curious about this, since as I said a handful of notes 
>between middle C and the octave above exhibit this problem (though not 
>nearly as bad). Could it just be over-worn hammers? The piano is about 
>80 years old.

>Thanks.

>- John


>> I'd say the Baldwin SF10 was a clue...try muting the tenor section of 
>> the back scale.
>>
>> David I.

>&

>> John,
>> Did you do anything to the wire at the bridge pins?
>>
>> Does it have a back duplex scale that is undamped?
>>
>> There is always the question of a possible impedance issue.
>>
>> Andrew

>&

>> John,
>>
>> After you did that, did you mate the hammer to the strings?
>>
>> Avery

>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives


This PTG archive page provided courtesy of Moy Piano Service, LLC