CFS - trivia? more reply more back

[James Grebe]

Hi Del,
Your explanation sounds reasonable.

James Grebe
R.P.T. of the P.T.G
pianoman@inlink.com
Creator of Handsome Hardwood Caster Cups and Practical Piano Peripherals in
St. Louis, MO
-----Original Message-----
From: Delwin D Fandrich <pianobuilders@olynet.com>
To: pianotech@ptg.org <pianotech@ptg.org>
Date: Sunday, November 01, 1998 9:31 PM
Subject: Re: CFS - trivia? more reply more


>
>
>>-------------------------------------------
>
>Since soundboards don't amplify, we can rule out amplification as a
possible
>function of this device.  If memory serves -- and it's been quite a few
years
>since I've seen a Wurlitzer grand -- this device both stiffened and mass
loaded
>the soundboard in the region around the lower portion of the tenor bridge.
>Since this area is often too floppy it accepts energy from the bridge at a
>faster rate than is desirable.  This device slowed the transfer of energy,
thus
>extending the sustain time of the tenor unisons leading down to the
bass/tenor
>break.
>
>Del
>