circle of sound

[David Love]

And the point is?

David Love
davidlovepianos@comcast.net 

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Horace Greeley
Sent: Saturday, January 22, 2005 7:52 AM
To: Pianotech
Subject: RE: circle of sound


David,

At 07:42 AM 1/22/2005, you wrote:
>The massive and hardwood inner rim does contribute to the tone, not
>because it resonates like a soundboard, quite the contrary, its weight
>and rigidity probably influence the type and thickness of the
soundboard
>panel that must be used.  Compare the panel thickness on a Steinway
>versus a Boesendorfer and ask whether or not the size and material of
>the inner rim doesn't contribute to that design decision.

Hmmmm....Try putting a tuning fork on the rim of an S&S/M&H and then 
comparing what you hear when you do the same thing with other
instruments.

Horace



>David Love
>davidlovepianos@comcast.net
>
>-----Original Message-----
>From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
>Behalf Of Terry
>Sent: Saturday, January 22, 2005 4:47 AM
>To: Pianotech
>Subject: Re: circle of sound
>
>I don't know Ric, I'm not sure exactly how applicable it is, but the
>preferred material for high-fidelity speaker box or mounting platform
is
>MDF. Also, while it seems a good idea that every part of the piano
>should
>play its role, I'm not sure that all parts need to be little
>soundboards.
>MDF might not hold a screw well, might fall apart rather quickly in the
>water, but as far as just being an immobile hunk of very dense stuff
>that
>doesn't vibrate very well - which, I think, is the basic function of an
>inner rim - it think it fits that bill even better than many hardwoods.
>It's
>also dimensionally quite stable (I think).
>
>Hmmmmm, an MDF pre-formed inner rim?
>
>I'm really not suggesting that, but I find it difficult to imagine how
>it
>would be a detriment to the musical properties of a piano when used as
a
>case material.
>
>Terry Farrell
>
>Richard wrote:
>
> > Grin.... true enough Terry.... but then that said. Steinway does
>beleive
> > in the idea that every part of the piano should in someway or
another
> > contribute to the projection and quality of the sound. Solid
hardwoods
> > cases/rims... vs papboard...?  hmmm
>
>
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