Duplex

[Greg Newell]

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Del,
         How could you?!?!?!  You're contributing to my 
duplexophobia!   ;-0  How can I feel assured enough to try tuning one if I 
don't know which ones are permanent and which ones are not. I still say 
that if the bridge did a proper job of terminating the duplex would be a 
moot point anyway.

Best,
Greg



At 03:21 AM 11/20/2002, you wrote:


>----- Original Message -----
>From: "Greg Newell" <gnewell@ameritech.net>
>To: <pianotech@ptg.org>
>Sent: November 19, 2002 10:42 PM
>Subject: Duplex
>
>
> > Are all duplex bars moveable? Naturally the individual ones are but I seem
> > to recall some with locator pins that dictated where they would be placed
> > during stringing. If my memory is clear (this doesn't happen too often)
>how
> > can one tell if the locator pins are present or not? Attempting to move
>one
> > with a locator pin underneath and out of plain site could prove
>disastrous, no?
> >
> > Greg Newell
> > mailto:gnewell@ameritech.net
>
>Not all are moveable. As you mention, some pianos using individual rests,
>such as some of the early Baldwins and a couple of others whose manufacture
>escapes me, are not movable. (The Baldwin index pin you can see if you look
>carefully.) Others, such as the venerated Steinway, are movable only in
>sections. Still others are cast into the plate.
>
>The front duplex arrangements are some similar. Early Steinway front bearing
>bars were, shall we say, semi-adjustable in sections. Later they were, and
>still are, cast into the plate. Others, such as the M&H, are easily
>adjustable both front and back. One recent piano using a so-called tuned
>duplex--Schimmel?--has individual rests carefully et into a milled groove,
>or slot, in a brass plate. Pretty, but hardly adjustable.
>
>Del
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives

Greg Newell
mailto:gnewell@ameritech.net

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