Muting high treble

[Paul Chick (EarthLink)]

Why do you want to settle unisons during a pitch raise?

Paul Chick
----- Original Message -----
From: "Isaac OLEG SIMANOT" <oleg-i@wanadoo.fr>
To: <pianotech@ptg.org>
Sent: Sunday, March 24, 2002 2:15 AM
Subject: RE: Muting high treble


>
> I usually tune unisons as I go, but for PR where I use the strip method,
so
> the pass is the fastest , thanks to J. Coleman video where he PR a U3 I
> guess in 12 min.
>
> I suspect the PR with unissons tuning is better and stable, but I am
always
> reluctant to begin to tune at A0 without any control on temperament
before.
> Beside, the rare times I've done it it worked as a charm. Problem is that
it
> is boring to PR and tune unissons at the same time, so the strip method
> allows me to make it quick and dirty as wanted, and not to loose time by
> settling unissons as i go up the scale while PR (that I can't stand doing
> even if I don't want to !)
>
> Regards
>
> Isaac
>
>
>
> > -----Message d'origine-----
> > De : owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]De la part
> > de David Love
> > Envoyé : samedi 23 mars 2002 21:26
> > À : pianotech@ptg.org
> > Objet : Re: Muting high treble
> >
> >
> > I think you are better off tuning unisons as you go anyway.  If you are
> > setting the temperament aurally and need to use a mute strip for the
> > temperament octave (or two) then pull the unisons after setting the
> > temperament and tune unisons as you go the rest of the way.  I think it
> > makes for better stability.
> >
> > David Love
> >
> >
> > ----- Original Message -----
> > From: "Isaac OLEG SIMANOT" <oleg-i@wanadoo.fr>
> > To: <pianotech@ptg.org>
> > Sent: March 23, 2002 11:30 AM
> > Subject: RE: Muting high treble
> >
> >
> > >
> > >
> > > On some pianos the coupling effect put the unisson sharp after 1
second
> > > ringing.  the EDT will read an unison sharper than the one string
alone
> > > sounding, because you have to wait to have a clear pattern.
> > >
> > > That can depend of the way the unisons are done too.
> > >
> > >
> > > Isaac OLEG
> > >
> > >
> > >
> > > > -----Message d'origine-----
> > > > De : owner-pianotech@ptg.org
> [mailto:owner-pianotech@ptg.org]De la part
> > > de Don
> > > Envoye : samedi 23 mars 2002 07:30
> > > A : pianotech@ptg.org
> > > Objet : Re: Muting high treble
> > >
> > >
> > > Hi Jay,
> > >
> > > I have tried to measure the effect you are speaking of. It would be
rare
> > > for it to be as large 2 cents and it is inconsistant from piano to
piano
> > > even with the same make and model. I suspect if you are having
> > > this sort of
> > > pitch drop after doing a unison that plate flex (pitch correction) is
> > > making the difference.
> > >
> > > At 03:03 AM 3/23/02, you wrote:
> > > >I thought this phenomenon is just the opposite.  The pitch
> > > sounds 2-4 cents
> > > >sharper when the strip mute is in, compared to when it's out and
> > > after the
> > > >unisons are tuned. Isn't this common and tuners must compensate?
> > >  The pitch
> > > >difference is obvious when comparing a muted trichord - hearing just
> one
> > > >string compared to the overall pitch after tuning its two unisons.
> > > >
> > > >Jay Mercier
> > >
> > >
> > > Regards,
> > > Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.
> > >
> > > mailto:pianotuna@accesscomm.ca
> > > http://us.geocities.com/drpt1948/
> > >
> > > 3004 Grant Rd.
> > > REGINA, SK
> > > S4S 5G7
> > > 306-352-3620 or 1-888-29t-uner
> > >
> >
> >
>
>