Basic SAT III (& VTD) Questions

[Dick Beaton]

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Wim

If the "F" you used was a wound string, you will get a lousy tuning. =
Measure the inharmonicity of the first wire string above F3 and use that =
number for the FAC and it will be a lot better.
Dick MT

  ----- Original Message -----=20
  From: Wimblees@AOL.COM=20
  To: pianotech@ptg.org=20
  Sent: Sunday, January 28, 2001 10:28 AM
  Subject: Re: Basic SAT III (& VTD) Questions


  In a message dated 1/27/01 9:51:32 PM Central Standard Time, =
joegum@webtv.net=20
  writes:=20



    Hi.  I had the opportunity this afternoon to experiment with an SAT =
III=20
    at a friend's home.  (My first experience with a VTD... II was =
trained=20
    years ago as an aural tuner.) I was led through the F-A-C procedure, =
set=20
    the temperament                              by device and tuned the =

    strip-muted middle register.  (The piano wasn't significantly out of =

    tune and very close to pitch.)  However, when I checked the octaves, =

    they were beating quite noticeably (one to two BPS).  Is this =
normal?=20
    Is it now in some circles considered acceptable for octaves to be=20
    stretched this much?  When you use a VTD in noisy conditions, how =
can=20
    you have faith in what it's telling you without the benefit of aural =

    verification?  If the stretch is adjustable, can the stretch be =
reliably=20
    individualized for each instrument without aural verification?  =
Thanks=20
    for letting me pop back onto the list and ask these questions.  -Joe =

    Gumbosky                       =20




  Joe=20

  When I first started using the SAT, (started with the SAT II and am =
now using=20
  the III), I had to used to how much the upper octaves were stretching, =

  compared to what I used to do by ear. At first I was bringing them =
back down,=20
  because it just didn't sound right to me. But now I have become =
accustomed to=20
  the stretching, and so far, (knock on wood) I have not had any =
complaints=20
  from clients.=20

  Willem=20

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