Semi-"blind" PR

mps at usol.com mps at usol.com
Mon Jul 2 11:36:27 MDT 2007


Thank you Dave!!!


> 
>  I use a technique
> for pitch raising that incorporates only one rubber mute. With 
Tunelab,
> it is pretty quick, enabling me to get a fairly accurate pitch raise in
> 15 minutes.? With a 60+ cent PR, I just count on doing 3 pass 
tunings, though sometimes I
get lucky.
> 
> Here's how it goes:
> 
> Set the overpull
> percentage. I often use the standard 25% preset percentage, but 
on
> older pianos I will go between 10-15% overpull because the elasticity
> of the strings has decreased over time(not to mention fear of string
> breakage....:-)).
> 
> I work my way up the keyboard one note at a time from bass to 
treble.
> 
> Tune the low bass (no mutes)
> 
> Tune
> the bicords using no mutes. I watch the display on Tunelab to get 
the
> spike as close as possible to the desired pitch on the first string,
> then match the pitch of the second string to the first by ear. 
> 
> In
> the wires, I mute the last string to be tuned, then use the same
> technique of pulling the first string up using the visual display,
> matching the second to that by ear, then move the mute to the 
next set
> of strings and tune the final string of the unison.
> 
> After a few notes, I can do it mostly by feel and sound, only 
occasionally glancing at the
display.
> 
> It may not be as fast as a no mute technique, but for me it is far 
more accurate.
> 
>  
> 
> 
> Dave Stahl, RPT
> 
> Dave Stahl Piano Service
> 650-224-3560
> dstahlpiano at sbcglobal.net
> http://dstahlpiano.net/
> 
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