[CAUT] [pianotech] FW: RE: New Ask Physicist question

[ron worth]

Gary, Dave,

I agree with Gary and the physicists' understanding.
Interesting to note that the "soundboard" in German is called 
the "resonanceboard" making it a acoustic resonator  - which
agrees with the understandings of the physicist and Gary.

In reply to Garys' understanding, I replaced the strings
with tuning forks (the mathematical equivalent except the strings
have 2 terminations points for the speaking length) in the 
hopes the imaginary analogy would make it clear what the 
"soundboard" is and what it does.

Some CAUTS have expressed they don't believe in the model 
of coupled motion for strings, which makes the coupled motions
of the string, bridge, and soundboard difficult to define or explain.

Ron

> Date: Sat, 16 May 2009 23:17:35 -0500
> From: rnossaman at cox.net
> To: ilvey at sbcglobal.net; pianotech at ptg.org
> CC: caut at ptg.org
> Subject: Re: [CAUT] [pianotech] FW: RE: New Ask Physicist question
> 
> David Ilvedson wrote:
> > List...
> > 
> > Here is the reply I received from "The Physicist"...whoever that is... '-]
> > 
> > David Ilvedson
> > 
> > ----- This is a forwarded message ----------------------------------------
> > From: "the physicist" <the_physicist at askthephysicist.com>
> > To: ilvey at sbcglobal.net
> > Received: 5/16/2009 1:17:39 PM
> > Subject: RE: New Ask Physicist question
> > 
> > 
> > A transducer normally refers to something which converts mechanical
> > vibrations into electrical vibrations. I would call the instruments you
> > refer to as amplifying the sound. There is more to it than that since they
> > also filter various components, that is they amplify some frequencies better
> > than others.
> > 
> > The Physicist
> > @AskThePhysicist.com
> 
> Well, that's about as cogent and useful as I expected.
> Ron N

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