Renner hammers

[KeyKat88 at aol.com]

In a message dated 5/21/2006 12:19:51 PM Eastern Standard Time, 
Erwinspiano at aol.com writes:
SO I chose a hammer more similar in stiffness & more suited to the  pianos 
soundboard  impedance charachter.
Greetings,

       How do you check the sound board's impedance charachter? Is it a 
sceintific thing that is expressed by decibels or some other measurement...or is it 
an experience/feel judgement type measurement?

Julia Gottshall
Reading, PA 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20060530/d8ef43bf/attachment.html