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Compensating nut, anybody ?


 :
8/20/2003 6:01 AM
scott
Compensating nut, anybody ?
This is something that corrects the intonation for the top 3 or so frets?  
 
Is it simply moving the nut towards the bridge a couple mm's?
 
8/20/2003 10:11 AM
Carl Gigun

yes, it corrects the fact that the first few fretted notes usually play sharp compared to the open note. If the nut height is set really low it's not usually needed.  
 
And yes, you move the nut towards the bridge a few mm. Use a tuner to set the open string to pitch then compare the first three fretted notes to it.  
 
Often only one ot two strings need help, low e usually.  
 
-Carl Gigun
 
8/20/2003 2:20 PM
Gus

Do a search for the 1980 PRS lute patent for a comp nut. I don't understand how the patent office granted a patent to BF. the PRS was granted 1980. IIRC the bass side is 1/32" closer and the treble side 1/64" closer with the 25" PRS scale.  
 
 
Gus
 
8/25/2003 7:04 PM
Mark Hammer

Feiten may have the patent for a number of reasons: 1) When he applied for it and when it became known to the rest of us as a commercial product/servicer may be two different times/dates, 2) he refers to his as a tuning *system* which may involve more than simply the nut, or at least the parameters of the nut you've described.
 
8/21/2003 1:00 AM
jaysg

also check out www.earvana.com
 
8/26/2003 12:11 AM
Mark
There's a tech's explanation of how he does it somewhere on the mimf.com site. Register and then poke around in their archive.
 

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