The Mandolin
a chordophone sounded by a plectrum
The mandolin is the soprano member of the mandolin family, as the violin is the soprano member of the violin family. Like the violin, its scale length is typically about 13 inches (330 mm). Modern American mandolins modelled after Gibsons have a longer scale, about 13+7⁄8 inches (350 mm). The strings in each of its double-strung courses are tuned in unison, and the courses use the same tuning as the violin: G3–D4–A4–E5.
