When the sound falls apart at higher volumes

[David Love]

My experience is that these types of distortion are often soundboard
problems.  Voicing is probably the best way to minimize it.  It is not
likely to be cured by hanging fabrics.  A too live room sound is something
different than out of focus or rough and harsh.  Since I gather you are not
replacing a soundboard on this job you will be best served by judicious
voicing and recognizing the upper limits of what is probably a board that's
just a bit too loose.      

David Love
davidlovepianos at comcast.net 
www.davidlovepianos.com

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Andrew and Rebeca Anderson
Sent: Wednesday, June 28, 2006 2:26 PM
To: Pianotech List
Subject: When the sound falls apart at higher volumes

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.

Would adding impedence to the bridge help this?

Andrew Anderson