Sohmer

[Paul]

Tom and Roy
There a re several Sohmer 45S's in this area. Most move radically with
humidity changes and several needed the pressure bar backed out. It had no
affect on tone etc., but made tuning much easier.

Paul Chick
----- Original Message -----
From: Tom Driscoll <tomtuner@mediaone.net>
To: <pianotech@ptg.org>
Sent: Sunday, October 15, 2000 9:17 PM
Subject: Re: Sohmer


> I  service a Sohmer 45S in a New England school  .  My experience with
this
> piano concurs with Newtons. Pitch fluctuates  wildly in tenor with
humidity
> changes . climate control was of minimal benefit. As for pressure bar
> adjustment , tunability can be improved  I'm sure, but the dominating
factor
> with this model is the instability. Question? Is this a soundboard -
> rib-backpost design flaw? I've been all over this piano and can't find
> anything wrong. Tom Driscoll
> ----- Original Message -----
> From: "Newton Hunt" <nhunt@jagat.com>
> To: <pianotech@ptg.org>
> Sent: Sunday, October 15, 2000 7:54 PM
> Subject: Re: Sohmer
>
>
> > Turn them suckers!!  Care must be taken when backing out
> > pressure bar screws, they can break easily because of the
> > pressure they are under.  There should be just enough
> > deflection of the wire to prevent it from dancing upon the
> > v-bar with a hard blow.  Any more than that is unnecessary
> > and undesirable.  Changing the angle of deflection with NOT
> > change tone or volume and very well improve tunability.
> >
> > Sohmer 45S uprights do not stay well in tune.  The middle
> > section goes radically out of tune when the humidity
> > changes.  You may consider installing a climate control
> > system to stabilize the piano.  Worked for me.
> >
> > Newton
>