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Although there is some debate as to who taught Torres, one theory is that some time around 1842, Torres may have gone to work for José Pernas in Granada, rapidly learning to build guitars.
He soon returned to Seville, and opened a shop on the calle Cerrageria No. 7 that he shared with Manuel Soto y Solares.
Although he made some guitars during the 1840s, it was not until the 1850s on the advice of the renowned guitarist and composer Julián Arcas, that Torres made it his profession, and he began building in earnest.
Julián Arcas offered Torres advice on building, and their collaboration turned Torres into an inveterate investigator of the guitar construction.
Torres reasoned that the soundboard was key.
To increase its volume, he made his guitars not only larger, but fitted them with thinner, hence lighter soundboards that were arched in both directions, made possible by a system of fan-bracing for strength. These bracing struts were laid out geometrically, based on two isosceles triangles joined at their base creating a kite shape, within which the struts were set out symmetrically.

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