SAT III Problems and Questions

[David Love]

David I:

The octave was so clealy off that checks were hardly necessary to confirm 
it.  They were wide 1 to 2 bps, the 3rd 10th tests confirmed it and the 
progression of 10ths became quickly very ripe.

David Love


>From: "David Ilvedson" <ilvey@jps.net>
>Reply-To: pianotech@ptg.org
>To: "pianotech" <pianotech@ptg.org>
>Subject: Re: SAT III Problems and Questions
>Date: Wed, 21 Feb 2001 08:34:33 -0800
>
>David,
>
>What was your clue that the intervals were too wide?  What intervals are 
>you aurally using to keep tabs on the tuning?
>
>David I.
>
>*********** REPLY SEPARATOR  ***********
>
>On 2/21/01 at 3:47 PM David Love wrote:
>
> >I started using an SAT III about a year ago.  I find it to be a useful
> >tool,
> >certainly not an ear substitute, but useful.  I always take new FAC
> >readings
> >for each piano and I am confident that they are taken accurately.  Yet I
> >often find that as I progress through the piano the scale that the 
>machine
> >calculates from those readings is off.  When there is a problem it is 
>most
> >often noticeable in the 4th and 5th octaves (or going down in the bass).
> >The
> >octaves in this section are invariably too wide and not just by a little
> >bit--clearly objectionable.  For example, today I tuned a Steinway L 
>recent
> >model.  When I got to this problem section I set the pitch initially by
> >the
> >ETD and corrected to the flat side by ear.  Oddly, when I got to the 
>sixth
> >octave, the problem seemed to correct itself, i.e. the machine's scaling
> >was
> >now correct.  This implies, of course, that had I tuned strictly by the
> >machine, the 4th and fifth octaves would have been calculated too wide 
>and
> >the 6th octave too narrow.  What gives?  Is it possible that there is a
> >problem with this machine?  Is this sort of anomaly a regular occurrence?
> >
> >One more question.  When one alters the DOB on a page, does that
> >alteration
> >stay on that page even if you save a new FAC to that page? Or, when you
> >save
> >a new FAC reading to that page does it default back to its original
> >setting?
> >
> >Any input is appreciated.
> >
> >David Love
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>
>

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