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First Flamenco Negra.   You are logged in as Guest
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Posts: 9
Joined: Jul. 20 2019

First Flamenco Negra. 

I just completed my first Flamenco Negra. It has the flamenco sound, percussive, a lot of separation while played, much less sustain than my classical guitars and easy to play very fast. Before starting the project I was not sure I knew what a Flamenco Negra was. I luckily got my hands on a couple of good negras and was disabused of the notion that the Flamenco players were just jealous of the Classical guitar players, and negras were more like classical guitars than blancas. The best one I heard while having rosewood back and sides was very light relative to a classical and did sound like a flamenco guitar. With that in mind I voiced the top like my blancas: thin top and five fan braces tall enough to bring the resonance up to a 190 Hz T(1,1)2 target. I used Honduran Rosewood for the back and sides; not the best choice as it is very dense. I was able to thin the back to a bit under 2 mm because it was so stiff. With consideration toward low mass I also took the sides to 1.8 mm. The negras often have slot head tuners so I used spanish cedar.

I had a really good Carpathian spruce top set. I almost did not use it as it rang for ever. However, it was relatively stiff for its density, so I figured I would use it thinner than I would for a classical guitar (I dropped the vibrational stiffness to from 60 to 55 in the thickness calculations). I was going to drop the backs vibrational thickness as well but I was a afraid to thin it much under 2 mm. Here are my thickness calculations using the process and equations from the design volume of Gore/Gilet Contemporary Acoustic Guitar Design and Build books.

Final bracing

Top was installed with individual peones for linings to reduce the impedance top to side.

The guitar has a quick Shellac French Polish on a Silvertip epoxy pore fill.

Here is the final spectrum plot of the guitar frequency response.

Here is my flamenco teacher playing it capoed

Here I am playing it (I am not very good) but you can hear more of the guitar.

The guitar.

Images are resized automatically to a maximum width of 800px


John Parchem -
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 8 2021 22:27:27

Posts: 1485
Joined: Jan. 29 2012
From: Seattle, Washington, USA

RE: First Flamenco Negra. (in reply to johnparchem

Bang-up job, mate!


Ethan Deutsch
I always have flamenco guitars available for sale.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 9 2021 3:08:22

Posts: 8324
Joined: Oct. 16 2009

RE: First Flamenco Negra. (in reply to johnparchem

Oh you carved the heel with some panache’ !

  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 9 2021 3:11:32
ernandez R

Posts: 482
Joined: Mar. 25 2019
From: Alaska USA

RE: First Flamenco Negra. (in reply to johnparchem

Nice work!



I prefer my flamenco guitar spicy,
doesn't have to be fast,
should have some meat on the bones,
can be raw or well done,
as long as it doesn't sound like it's turning green on an elevator floor.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 9 2021 22:10:39
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