An electrical guitar is a guitar with one or more electromagnetic transducers called “tablets” that turn the vibrations of the cords electrical signals able to be amplified and processed.
There are three fundamental types of electrics guitars: those of solid body, those of solid body semi and those of hollow body. Historically, first in inventing itself those went of hollow body, when deriving itself from box guitars to which a microphone was gotten up to be able to listen in the jazz bands. The guitars of solid body lack box of resonance, so that the body is a wood piece in which the microphones go inlays or “tablets”. The known models more are the Gibson Them Paul or the Fender Stratocaster and Telecaster. The electrical guitars of solid body semi are characterized to have, sometimes, holes to the outside with forms in “acoustic f” similar to those of the boxes of resonance of the violins and other instruments. The guitars semisolids, as the Gibson ES-335 or the Fender Telecaster Thin line has a central block to avoid you connect them.
The electrical guitar always needs to be connected to an amplifier or a system of amplification, tables of mixtures, etc., by means of a coaxial cable (normally a 6.3 connector jack monkey). The electrical guitar is one of the most important instruments nowadays, and still we would say essential in many modern musical sorts. The first company was Rickenbacker that in 1931 electronically commercializes an amplified instrument, steel to guitar Frying Bread that was touched in the lap. A year later sent the first electrical guitar, the Electro Spanish, although it was Gibson with its ES-150 that attracted the attention the guitarists of jazz of the time. The first magnetic tablet for electrical guitar was made by the American factory Rickenbacker in 1931 and it settled in constructed a Rickenbacker guitar of solid body in aluminum. The magnet of the tablet became with a tungsten and steel alloy. At the present time the cost of the tungsten is highest, for that reason Rickenbacker no longer makes these tablets. In 1932 the Dopyera brothers, founders of the Dobro Company, incorporated magnetic tablets in some of their famous resonant guitars in a joint project with the guitarist Art Simpson. The tablets of these guitars consisted of copper a surrounded thread magnet and, like the model of Rickenbacker, they had a high impedance of exit that towards which its adaptation to a valve amplifier was very good. These Dobro guitars are considered like the first commercialized electrical Spanish guitars. Later, in that same year, Dobro began to make electrical Hawaiians guitars of a single piece in injected aluminum.
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P Adames
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