Verituner: more opinions

[Isaac OLEG SIMANOT]

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David,

Thanks for your comments. I am very happy to hear that you have a such good
experiment with your VT100.

Today I had to prepare and tune 3 Steinway D together for a jazz
improvisation performance, and the tunings sounds amazing . Each piano with
his own sound and personality, but a clearness and homogeneity that could
not be matched by other methods (in a little time)

What I appreciate the most using this wonderful machine is that it let me
work naturally and don't drive my ears in a pre-defined curve or partial
progression.
It follows the piano, as we all do when tuning (but the death tuners who
tune by A0 or A88 !)

I have a comment for you, you said that you can start with any note, but the
A4 is of great importance and is treated differently from the other notes
(and gives the pitch you know !) , as Dave Carpenter have write many times,
it is very important to begin with that note and obtain a complete iH
reading on it before tuning any other.

Welcome the happy vt100 users family !

Regards

Isaac
  -----Message d'origine-----
  De : owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]De la part de
David Love
  Envoyé : vendredi 15 février 2002 07:13
  À : Pianotech
  Objet : Verituner: more opinions


  I purchased the Verituner recently and have used it now for about a dozen
tunings.  I cannot compare it to the RCT or Tunelab, as I never used them,
but I will say that the VT does a marvelous job when compared to the SAT
III.  It's ability to measure (or premeasure) any or all notes and up to
eight partials of each note in order to calculate an inharmonicity curve
resolves many of the complaints I had about the SAT III which, unless
monitored very closely, sometimes delivered a less than satisfactory tuning
to my ear.  Though I had learned to work with the SAT III very effectively
by use of the DOB, two page memory for one piano, and direct interval
tuning, I find the VT to be much easier with more predictable results.

  The complaints listed earlier I find largely unwarranted.  One suggestion
was that the VT required a two pass tuning.  That is not true.  You can
premeasure any sequence of notes ( though it is suggested you always start
with A4) including notes in troublesome transition areas and the machine
will use the data to create a curve with smooth transitions.  Or, as I
believe Ron Koval mentioned, you can measure the whole piano before you
start tuning.  Not necessary, but It takes about 5 minutes.

  Another complaint was about the pitch raise function, or coarse tuning
mode as it is called.  The coarse tuning system requires lining up two
arrows rather than stopping a spinner and is a bit awkward at first.  When
used as a genuine first pass rough pitch raise, it does a perfectly adequate
job.  Moreover, you can set up the display with three different levels of
overpull which can appear simultaneously on the screen.  As you progress
through the scale and want to change the degree of overpull depending on the
section of the piano, you can just aim for the appropriate indicator.  These
settings are preset to 10/30/36 % overpull but can be adjusted to your own
preference.  I set mine at 15/30/36 which seems to work a little better for
me.  I pulled a small Yamaha today which ranged from 30c flat in the bass to
80c flat in the treble.  One rough pass, one fine tuning and the fine tuning
required very small adjustments.

  The display itself is perfectly readable and gives a lot of data.  The
large flat or sharp sign that appears if the spinner is moving too fast to
see I found helpful.

  You can adjust the stretch "style" from clean (narrow) to expanded as with
the SAT III DOB, but unlike the SAT III, changing the stretch style does not
preclude the machine using the inharmonicity readings to calculate an
acceptable curve.  My experience with the DOB is that you can actually put
the piano a bit out of tune by selecting an inappropriate amount of stretch.
I have not experimented fully with the "style" settings in the VT, but my
impression is that the machine seeks to find a balance between style
selections and what the piano dictates.  I think that is a better system.

  The 300 page memory can be upgraded to 1000 pages for an additional cost
(as Paul L mentioned).  There are presently a few glitches that are being
worked out with the upgraded memory, but I wonder just how important the
extra memory is.  If you believe that inharmonicity changes with weather,
then you would want to recalculate at each tuning anyway.  If you don't,
then since you can premeasure and a full 2 pass tuning is not required to
get excellent results, I don't consider it critical.

  It comes fully loaded with a variety of HT's and as difficult as it is to
admit, I actually like the way it tunes ET.

  The simple fact that it measures multiple partials (rather than one
targeted partial) on a given note simultaneously and uses that data
collectively and progressively to project a curve, puts it above any of the
machines that I'm familiar with.  There are other features that I haven't
mentioned, but I think it is truly state of the art.

  David Love

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