Pitch Raise Questions

[Greg Torres]

Perhaps she meant 'without' the Verituner?

Best,
Greg Torres

----- Original Message -----
From: "Farrell" <mfarrel2@tampabay.rr.com>
To: <pianotech@ptg.org>
Sent: Tuesday, June 25, 2002 7:33 PM
Subject: Re: Pitch Raise Questions


> "Of course, I'd be much slower with that marvelous machine called the
Verituner!"
>
> Please expand on this and tell us why. Thanks.
>
> Terry Farrell
>
> ----- Original Message -----
> From: "SUSAN P SWEARINGEN" <ssclabr8@flash.net>
> To: <pianotech@ptg.org>
> Sent: Tuesday, June 25, 2002 6:23 PM
> Subject: Re: Pitch Raise Questions
>
>
> > I always pitch raise from A0 and tune the unisons as I go.  I use a
rubber
> > mute when I go from the single low bass strings to the bi-chords and
have
> > all the tri-chords strip muted.  When I get to the tri-chords I use a
> > pattern that speeds up things considerably.  I will tune the center
string
> > of, say, A4 (with my ETD).  I'll then pull out the left side of the
strip
> > mute and tune the left string of A4 to the center string of A4
(aurally).  I
> > will then move up to A#4 and tune the center string (with my ETD).  I
then
> > pull out the left side of mute as before and then tune the left string
of
> > A#4 to the center string of A#4 (aurally).  At this point, I drop back
down
> > to A4 and aurally tune the right string of A4 to open center and left
> > strings of A4. I then move up to B4 and repeat the procedure.  You would
be
> > surprised how fast this goes.  I'm a new tuner myself (Randy Potter
> > graduate) and doing pitch raises in this manner takes me about 20-25
> > minutes.  It allows me to schedule a 2-hour tuning appointment - pitch
> > raise, fine-tune, and make any minor repairs and adjustments.  Of
course,
> > I'd be much slower with that marvelous machine called the Verituner!
> >
> > I use 20% overpull in the bass, 35% overpull for the first 6 plain-wire
> > strings in the tenor, and 25% overpull for the rest of the piano.  Why?
> > Because Dr. Sanderson has shown that using these overpull amounts along
with
> > tuning unisons as you go, gets you very very close.  When using this
method,
> > I have found that strings tend to fall 1 to 2 cents away from perefect -
and
> > this is with pitch raises up to 100 cents.
> >
> > Corte Swearingen
> > ----- Original Message -----
> > From: "Farrell" <mfarrel2@tampabay.rr.com>
> > To: <pianotech@ptg.org>
> > Sent: Tuesday, June 25, 2002 8:31 AM
> > Subject: Re: Pitch Raise Questions
> >
> >
> > > Have you enjoyed your varying responses? Anything over 25 cents is a
pitch
> > raise (PR)? Anything over 4 cents is a PR? Use 25% offset? Use the SAT
PR
> > feature, but adjust offsets?
> > >
> > > I am also a Randy Potter grad. What all the above means is that you
need
> > to experiment and find out what works for you in various situations. All
the
> > responses are correct - for the person responding. I would give you a
whole
> > additional set of responses!
> > >
> > > My suggestion is to start by following Randy Potter instructions and
SAT
> > instructions. See how these guidelines work, and then modify them as you
see
> > fit, so that you get the results you want.
> > >
> > > I don't think you will find any definitive guidelines for when a pitch
> > raise is needed. It always comes down to a benefit/cost thing. If you do
not
> > use any pitch correction on a piano that is below standard pitch, and
you
> > use standard pitch as your target, you will ALWAYS end up with your
tuning
> > below standard pitch. Even if the piano is an average of ONE cent below
> > A440, if you use no pitch adjustment and a one pass tuning, the each
note on
> > the piano will end up approximately 1/4 of a cent below A440. Now, that
> > would be acceptable in most any situation.
> > >
> > > But what many do with a SAT, is use the SAT PR feature to calculate a
> > target pitch. Read your SAT manual. Instruction are pretty clear. Most
techs
> > would agree that using the SAT III PR feature on a piano that is between
2
> > and 5 cents flat will yield an acceptable tuning in one pass.
Personally, I
> > lean toward the 2-cent limit - some go to 10 or 20 cents in one pass.
I'm
> > simply not comfortable with that. But in any case, if you are doing a
> > one-pass tuning on a piano that is one/two cents or more flat - use the
SAT
> > PR feature.
> > >
> > > The SAT manual says to tune unisons as you tune each center string.
> > >
> > > Doing two passes is strictly up to you and the results you want. Two
> > passes will always get you a better tuning. On really junky pianos where
> > there is no hope for a fine tuning anyway, I will go up to 10 cents in
one
> > pass. On any better piano, I will go two passes for anything more that
about
> > 2 cents flat. It just comes out better for me that way.
> > >
> > > Regarding measuring how flat the piano is. The more notes you measure,
the
> > better idea you will have of average pitch deviation. I measure at least
all
> > the As, if not all the As and Ds, and sometime even more notes to get a
real
> > good idea of what I am dealing with and what my approach is going to be.
> > >
> > > Hope this helps. Good luck with the course. Check back in.
> > >
> > > Terry Farrell
> > >
> > > ----- Original Message -----
> > > From: <euphoniac@juno.com>
> > > To: <pianotech@ptg.org>
> > > Sent: Monday, June 24, 2002 11:19 PM
> > > Subject: Pitch Raise Questions
> > >
> > >
> > > > I am currently a Randy Potter student with some questions about
pitch
> > > > raising.  When I measure the pitch of A4 with my SAT III, how low
(in
> > > > cents) should it be for me to need to perform a pitch raise?  Also,
when
> > > > performing a pitch raise, is it better to raise only the single
strings
> > > > all the way up, or should I raise all of the strings of each note as
I
> > > > go?
> > > >
> > > > Thanks,
> > > >
> > > > Don Palmire
> > > >
> > >
> >
>