DADDARIO / TUNING FORKS Eキー (329.6Hz)[PWTF-E]

D'Addario's TUNING FORKS E keys provide an accurate reference pitch of E (329.6 Hz) to assist in tuning by ear for guitar, bass, and orchestral instruments. It is ideal for classical, violin, and home studio use.

Tuning fork
Key of E (329.6Hz)
■How to use a tuning fork
Hold the handle of the tuning fork with one hand and lightly tap the side of the bilateral part on a hard surface such as your knee or a chair. The tuning fork resonates and produces a specific pitch, generally A (440 Hz) or E (329.6 Hz). The instrument is tuned to that pitch.