SAT III Problems and Questions

David Ilvedson ilvey@jps.net
Thu, 22 Feb 2001 16:50:35 -0800


David

"very ripe" is a nice way to describe it...

David I.



*********** REPLY SEPARATOR  ***********

On 2/22/01 at 5:06 AM David Love wrote:

>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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