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Lutz/Bubinga - Thank you Mr Gore!
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Author:  Robbie_McD [ Sat Jul 14, 2012 7:49 pm ]
Post subject:  Lutz/Bubinga - Thank you Mr Gore!
This is my first build using Trevor's guidance to build an "active" back and tune the plates using spectrographic analysis....
I first strung it up last weekend, then disassembled and buffed it up this weekend.
All I can say is...WOW! This thing is a tone monster! Loud and clear. Did I say loud? Unbelievable.
Will post the finished analysis once I quit playing it endlessly....
Thank you Mr Gore!
Attachment:
IMG_3444 (Large).JPG
Author:  Trevor Gore [ Sun Jul 15, 2012 1:44 am ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Well done! There's nothing quite like happy customers....
Author:  SteveSmith [ Sun Jul 15, 2012 9:57 am ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
I'm jealous as I can't wait to try one. Unfortunately I'm using self discipline and forcing myself to finish the two that I already have underway before starting another one
Author:  klooker [ Sun Jul 15, 2012 12:11 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
So, did you do an X for the top?

Please share some more info about the build.

Kevin Looker
Author:  CharlieT [ Sun Jul 15, 2012 12:51 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
klooker wrote:
So, did you do an X for the top?

Please share some more info about the build.

Kevin Looker

+1 I'm curious too. :mrgreen:

Beautiful guitar based on the photo, Robbie! [:Y:]
Author:  Robbie_McD [ Sun Jul 15, 2012 3:48 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Sure! I am building two at once, this one was the first out the gate.
The build strategy was to keep them unadorned - no headstock or FB binding, no purfling, all-wood rosette, etc.
On an early build I suffered some fingerboard dive, so I have beefed up the UTB (a massive sapele beam) and am now using a "C" style heelblock.
I used Shane's Lutz/Bubinga, Lutz braces, Bloodwood binding, H. Mahogany neck, Ebony FB & Headplate, EVO Gold fretwire, 25" scale.
For fingerstyle I went with a wider nut at 1 13/16"
The top is X-Brace, the back is radial.
Attachment:
IMG_3380 (Large).JPG

I used a "C-Type" heelblock:
Attachment:
IMG_3381 (Large).JPG

Ready for the top:
Attachment:
IMG_3389 (Large).JPG

Inlay done:
Attachment:
IMG_3408 (Large).JPG

Pore-filling the bubinga:
Attachment:
IMG_3412 (Large).JPG

Wish I could take better guitar pix:
Attachment:
IMG_3432 (Large).JPG

Attachment:
IMG_3446 (Large).JPG
Author:  CharlieT [ Sun Jul 15, 2012 4:17 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Robbie - thanks for the additional information and photos! I may have to give the "active back" and spectrographic analysis a try. I have Trevor's books but have not had a chance yet to really dig into them. I guess I need to make the time. :mrgreen:

Again, the guitar is really beautiful! Love the silking on the top. [:Y:]
Author:  Robbie_McD [ Sun Jul 15, 2012 4:48 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Thanks Charlie!
Shane's Lutz is amazing....
Shoot me a line when you get geared up to start testing.
One thing I struggled with was interpreting the formulas from the book into Excel. (and I am a whiz with Excel...)
Took me a while but I finally got it dialed in with repeatable results that matched the examples in the book.
One other thing that I had not done before the books was to reduce the thickness of the top at the edge of the lower bout - this may also contribute to the amazing volume this guitar produces.
BTW, the lower bout is 15", so I believe the body size is close to OM...

Rob
Author:  Tony_in_NYC [ Sun Jul 15, 2012 5:23 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Nice job! Nice looking bubinga!
Author:  Robbie_McD [ Sun Jul 15, 2012 5:50 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
One other feature on this build was the backstrap.
I like to install some sort of veneer on the back of the headstock, if only to cover the scarf line.
On this build I created a very subtle profile at the thumbstop, and used mahogany veneer:
Attachment:
IMG_3448 (Large).JPG
Author:  CharlieT [ Sun Jul 15, 2012 6:02 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Robbie_McD wrote:
Thanks Charlie!
Shane's Lutz is amazing....
Shoot me a line when you get geared up to start testing.
One thing I struggled with was interpreting the formulas from the book into Excel. (and I am a whiz with Excel...)
Took me a while but I finally got it dialed in with repeatable results that matched the examples in the book.
One other thing that I had not done before out of the books was to reduce the thickness of the top at the lower bout - this may also contribute to the amazing volume this guitar produces.
BTW, the lower bout is 15", so I believe the body size is close to OM...

Rob


Thanks for the offer, Rob. I'll take you up on it when I get geared up to start testing.

I have two in the works right now with Lutz tops (from Shane)...an L-00 and a dread. Gotta agree with you...it is amazing spruce. I've been so impressed with how stiff and light it is that I've bought about 3 dozen sets. Super consistent, and cheap to boot.

Now I'm off to do some reading. 8-)
Author:  CharlieT [ Sun Jul 15, 2012 6:32 pm ]
Post subject:  Re: Lutz/Bubinga - Thank you Mr Gore!
Robbie_McD wrote:
One other feature on this build was the backstrap.
I like to install some sort of veneer on the back of the headstock, if only to cover the scarf line.
On this build I created a very subtle profile at the thumbstop, and used mahogany veneer:


Very nice! [:Y:]
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