U1 Buzz

[Valerio Sabatini]

Check if  all the 3 stingss are buzzing, uncoile the string half turn of the
pin, and tune it  aggain.
Check if there is anything between the  strings and the bridge pins.
Check the lock, and hinge  screws.
Check any objeect in the room.
Good luck !
Let us know if you solved the problem.

Valerio Sabatini
Rome Italy
----------
>From: "Jay Mercier" <jaymercier@hotmail.com>
>To: pianotech@ptg.org
>Subject: U1 Buzz
>Date: Mar, 14 set 1999 20:24
>

>I'm having trouble finding the buzz on a new Yamaha U1.  It was delivered a 
>week ago and the owner complains about a buzz when the a5 key is played.
>
>I noticed the following:
>
>The buzz comes from the bass section, more evident around the center of the 
>action.
>The buzz does not go away after I mute all bass strings and the a5 strings.
>I tightened (just a little) all flange screws.
>I checked all other screws - none that are loose.
>I removed the pedal rods - buzz still there.
>I took the fallboard out - still there.
>The buzz is considerably dampened when I push the B-flat2 hammer towards the 
>strings.
>I'm about ready to give up.
>
>I would appreciate any feedback!
>
>Jay Mercier
>
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