Aural Pitch Raise

[David Love]

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I take that back.  Going down in the bass, tune the lower note sharp but
keep in mind that the bass requires slightly less overpull than the
tenor or treble.  Since you are tuning outward from the middle of the
piano, the upper note will hopefully have fallen to "pitch" by the time
it is used as a reference note for the lower end of the piano.
Therefore, the lower will have to be tuned sharp.  
 
David Love
davidlovepianos@comcast.net 
-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of David Love
Sent: Friday, December 17, 2004 7:36 AM
To: 'Pianotech'
Subject: RE: Aural Pitch Raise
 
Count the number of beats flat at A4 and set it about 25% sharper than
it is flat.  10 beats flat, set it 2.5 beats sharp.  Stretch the octaves
a bit more going up to the top and in the bass.  The wider octaves going
up will compensate for greater overpull required in the treble and a
progressively flatter instrument as you add tension below.  The
overstretch in the bass will result in less overpull which the bass
requires.   Tune outward from the temperament octave A3:A4.  Expect to
do 2 rough passes before fine tuning.  ETD's are a lot easier.  
 
David Love
davidlovepianos@comcast.net 
-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Matthew Todd
Sent: Thursday, December 16, 2004 9:41 AM
To: Pianotech
Subject: Aural Pitch Raise
 
How does one go about doing a pitch raise without the use of an ETD?  Is
it a whole lot more difficult to do?  How do you do it?
Thank you!


Matthew Todd
Todd Piano Works
Piano Tuner/Technician
Tuning - Repairing - Regulating
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