1.320 tuning fork

ES: diapasón, horquilla de afinación, I: diapason, corista, F: diapason, D: Stimmgabel, NL: stemvork, DK: stemmegaffel, S: stämgaffel, FI: viritysavain.

A two-pronged piece of steel used to indicate an absolute pitch, usually for A above middle C (440 cps/Hz), which is the international tuning standard. Tuning forks for other pitches are available.

See also

middle C.

Music glossary