"The emperor has no clothes" https://youtu.be/RLj2gz-eMGM?t=1m59s
(Three-dimensional sound https://youtu.be/yp15_iiIK5U?t=18s)
21 features out of the box on AG Simplicio
https://youtu.be/LaZ4mcFKtVQ?t=2m
Although the guitar is a relatively young instrument, it offers a great potential to discover new ways and newer front-line standards which couldn’t be more suitable to the contemporary flamenco guitar player today.

As the whole spectrum of novel flamenco guitar techniques and its nuances are ever changing, now more than ever there is a need for pioneering and delving into fresher criteria to portray what playability means in the precise context of this
post-Paco de Lucia´s era we live in.

References to the history of the double sound hole on the top
Guitar made around 1929 by Francisco Simplicio
http://www.themomi.org/museum/mfa/popular_guitars/1929-30_F_Simplicio.html
Simplicio noticed a disadvantage of the traditional sound hole position in the weakening of the guitar top in a crucial area and also in a reduction of the sound emitting surface of the top (Huber, J.: The Development of the Modern Guitar, Westport, 1994, p.27). The increased sound emitting surface should also improve the sound emitting in the bass range (Stark, D.: Diplomarbeit – Entwurf und Bau einer Konzertgitarre mit doppelter Decke in Sandwichbauweise, Weimar, 2006, p.6)

Impact on the sound:

Omitting the sound hole or positioning it on both sides of the fingerboard leads to an enlarged vibrating surface of the top. Cue to the ratio between top length or width and top thickness, it is possible to:

– attain the same degree of flexibility of the top as in a traditional guitar, but obtaining a higher mass of the top (this leads to a better sustain without the loss of attack and responsiveness)

– attain a more flexible top than on a traditional guitar, but maintaining the same mass of the top (this leads to increased loudness and responsiveness without the loss of sustain).

In addition, the Helmholtz frequency http://polettipiano.com/Pages/airrese...
can be lowered significantly, which in turn has an impact on the tonal character of the instrument.

Simplicio 1929k-II New
https://youtu.be/n2bQjcaj2Cg


Video 1 https://youtu.be/D-wop1bkTeo?t=4m45s
Video 2 https://youtu.be/n2bQjcaj2Cg

Red Cedar top Simplicio 1929-II
https://youtu.be/D-wop1bkTeo?t=4m45s

Top model Balance Simplicio negra 1929f-II Wittner Pegs
https://youtu.be/bGfoxbdaBb4?t=3m20s



Koa Nergra Andalusian Simplicio 1929 II krz expanded trebles
https://youtu.be/Uz8rll4HuQg