FAC for Spinet

David ilvedson ilvey@jps.net
Fri, 18 Feb 2000 08:17:39 -0800


Measure the stretch number for the first unwound string above 
the wound tenor strings, for example a G.  This might give you 
a 16.3 or whatever.  Simply step down to the F6 and enter it in.

David I.

From:           	pianolover@worldspy.net
Date sent:      	17 Feb 2000 20:30:37 -0800
To:             	pianotech@ptg.org
Subject:        	FAC for Spinet
Send reply to:  	pianotech@ptg.org

> While preparing to tune an old everett spinet today, I noticed wound bichords at F3. I couldn't remember the alternate (SAT) method for calculating the stretch. I normally Measure my FAC starting at F3, providing it is plain wire, which it alsmost always is. Can someone (who uses SAT) refresh 
my memory as to the alternate way to measure FAC when there are wound strings at F3? 
> 
> Also, when first checking pitch, if you find that a piano is only 5 or so  cents or less in the bass and mid-section, but way flat, say 15+ cents flat in the high treble, do you still charge for a pitch raise? 
> 
> Terry
> 
> 
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David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net


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