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PostPosted: Wed Oct 09, 2019 9:09 am 
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Joined: Sun Mar 09, 2014 8:13 pm
Posts: 1984
I've been looking at the Martin specs for string spacing at the saddle vs. nut width. Using 1 3/4" nut width and assuming 16" fretboard radius, I found varying string bridge spacing depending on neck profiles, ie:

2 1/6" string space for modified V, 2 1/8" for performing artist, 2 1/16" for modified low oval, and 2 1/4" for low profile.

Why?


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PostPosted: Wed Oct 09, 2019 9:38 am 
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Joined: Fri Mar 03, 2006 7:09 pm
Posts: 5936
Location: Hegins, Pa
where did you find that info
I can tell you that martin spacing's are
usually
nut 1 11/16 in
12th 2 1/8
bridge may be 2 1/8 to 2 3/16

nut 1 3/4
12 th 2 1/8 to 2 1/4
bridge
2 3/16 to 2 5/16

some custom spacing had been done but the standard is this.
In the older days before PLEC they nut was done with gauge and by eye so there may be
a variance because of that.

_________________
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com


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PostPosted: Wed Oct 09, 2019 12:12 pm 
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Joined: Sun Mar 09, 2014 8:13 pm
Posts: 1984
tippie53 wrote:
where did you find that info
I can tell you that martin spacing's are
usually
nut 1 11/16 in
12th 2 1/8
bridge may be 2 1/8 to 2 3/16

nut 1 3/4
12 th 2 1/8 to 2 1/4
bridge
2 3/16 to 2 5/16

some custom spacing had been done but the standard is this.
In the older days before PLEC they nut was done with gauge and by eye so there may be
a variance because of that.


Haha.

I transferred all of my notes into my new phone and it messed up the formatting. It dropped the note I made that these were the widths of necks at the 12th fret, but moved the bridge string spacing wording up, without the rest of the notes.

I knew that didn't seem right, because I copied and pasted info from Martin into my phone.


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PostPosted: Wed Oct 09, 2019 2:16 pm 
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Joined: Thu May 24, 2012 8:03 am
Posts: 1119
Location: Chestertown Maryland
John

I have always wondered about this. You want the strings to make a nice parallel to the edges of the fretboard. Scale length would have a tiny effect on it. Why would there be a variation at the bridge with a constant at the 12 fret?

nut 1 11/16 in
12th 2 1/8
bridge 2 1/8 to 2 3/16

Ed


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PostPosted: Wed Oct 09, 2019 4:20 pm 
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Joined: Fri Mar 03, 2006 7:09 pm
Posts: 5936
Location: Hegins, Pa
that is the way they did it
Just tradition

_________________
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com


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PostPosted: Sat Oct 12, 2019 11:13 am 
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Joined: Sun Aug 24, 2014 12:27 pm
Posts: 16
John, do you have the spacing for the old OM's 1 7/8" or 2" ?
Thanks
Brent


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