When the sound falls apart at higher volumes

[Andrew and Rebeca Anderson]

Ron,
Especially lower to mid treble.  I was thinking weight but hadn't got 
around to trying it.

Andrew

At 02:39 PM 7/1/2006, you wrote:


>>I recall that this phenomenon has been referred to here.  Have a 
>>piano in a rather live environment (tile floors, not much on the 
>>walls).  At higher volume playing the tone seems to "go out of 
>>focus" and gets rough/harsh.  I've wondered about what causes this 
>>and what approaches may be used to tame it.
>
>What part of the scale?
>
>
>>Would adding impedence to the bridge help this?
>
>Specificity - stiffness and/or mass?
>
>Ron N