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
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