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  #1  
Old 06-19-2011, 11:32 AM
Haans Haans is offline
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Default New 17" jumbo 12 string Build, red maple/red spruce

I have built 17" mould for a 24-1/2+" scale Prairie State and decided to make the 12 string first.
Since I have a lot of maple laying around from mandolin building I decided to try it for a 12. Should be a lot like oak with a red spruce top. The instrument will have the ladder-X bracing for the top and ladder bracing for the back, and my usual laminated bracing, tone tubes, and heavy cables for a target tuning of B. Will have a couple of surprises cosmetically.
Here's the start:



Routing the rosette in some WIDE grain red spruce:



Center strip glued onto back:



Thanks for looking...
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Old 06-19-2011, 11:41 AM
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That Maple looks fantastic already! I will watch for the updates.
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  #3  
Old 06-19-2011, 10:28 PM
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I love 12 stringers! I'll be watching this thread for updates.
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Old 06-20-2011, 04:18 PM
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Great... Another fine build thread by MASTER BRENTRUP......And I've been GASSIN for a 12r.......
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Old 06-21-2011, 03:54 AM
Haans Haans is offline
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Thanks guys!
Rollie, I don't know about the "master" part, but as my friend Dave Ray used to say, "Too kind!".
Kyee, I love 12's too and pick up my VS scale 12 many more times than my VS scale 6 string.
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Old 06-21-2011, 08:18 AM
Laurent Brondel Laurent Brondel is offline
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What do you think of red maple Haans? Does it seem similar to big leaf in density and hardness? Plenty of it here in Maine. Nice flame!
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Old 06-22-2011, 04:06 AM
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Laurent, I've used a lot of red maple for Loar mandolin copies (originals were red maple/red spruce) and generally speaking, big leaf is darker sounding, while sugar is just too harsh. Euro is good, but I think that red has just the right balance of richness and clarity without being too shrill. It is my preferred maple and I use a very soft red for the sides and more of a medium red for the back. We'll see how it goes on a 12.
In addition, big leaf is really stringy and hard to sand. Quilted is a bear to sand.
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Old 06-25-2011, 03:30 AM
Haans Haans is offline
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Just a bit of progress on the 12...
Here, I've glued the P/H inlay to a piece of .1" tortoise celluloid, and am cutting it out. I will flip the tortoise over after cutout and reglue the inlay flush on the topside...


Here's the rosette VERY close up...


The layout of the ladder-X bracing for this scale length and box size...


Back face...
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Old 06-25-2011, 04:47 AM
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Great details.. the red in the rossette really pops, a nice contrast to the flamed Red Maple/Adi combo.. Your hybrid X- Ladder bracing scheme is pretty cool to .. This 12r is progressing nicely ...and will be a way cool musical tool.......
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Old 07-01-2011, 10:05 AM
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Thanks Rollie!
Here's the neck progress...


Peghead face...gonna have to make up a set of gold Grovers...



Ebony buttons I think...
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Old 07-07-2011, 12:41 PM
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Here's the top braced shy a ball end patch and splint over the X...

Still needs to be tapped out and refined.
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Old 07-11-2011, 06:00 AM
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Finally closed the box yesterday...
Here's a few photos.






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Old 07-15-2011, 08:25 AM
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Quote:
Originally Posted by Haans View Post
That bracing really looks interesting. I'm wondering when we'll see/hear that in a 6 string Grand Concert body
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  #14  
Old 07-16-2011, 05:15 AM
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Chuck, I just don't build 'em as fast as I used to, and I don't have to compete with the rest of these builders.
Afraid that ladder/X GC will be a while. A Stella 12 along with a 17" 6 string ladder/X are on the board. Maybe after those I'll get around to a GC.
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  #15  
Old 07-16-2011, 11:43 AM
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Here's the box closed and bound. Next is to fit the dovetail...








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