When was the guitar invented?

In the late 1830s, the Spanish guitar maker Antonio de Torres realized that the shape of the sound board and the size of the hollow body could improve the guitar’s sound. To prove it, he made a guitar with a thin arched wooden top and papier mâché back and sides.

Instead of a hollow sounding board, an electric guitar has a magnetic “pickup” that turns a string’s vibration into an electrical signal, which is then changed into sound by an amplifier.

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"When was the guitar invented?" was posted on Monday, November 19th, 2007 at 2:38 am.