WITTNER No. 922 Tuning Fork (Square) with Case (A=440Hz)

To use a tuning fork, pinch the handle and lightly strike the tip to vibrate it. While it's vibrating, hold the tip of the handle close to your ear or the side of a piano or a hard object to hear the tone.

Example: The note produced by an A tuning fork is an A, which corresponds to the open A string used on many string instruments. Note that the A on a tuning fork is two octaves higher than the open A on the 5th string of a guitar, so you need to tune it using the harmonic of the 5th string, 5th fret. While it can be difficult to get used to, tuning with a tuning fork is a great ear-training tool, and in recent years it has become extremely popular as a soothing tool.

A (A) = 440 was established at an international conference held in London in 1939, and became the international standard in 1953, remaining unchanged to this day (2019). (Usually written as "A=440 Hz" or "A440") However, many orchestras and brass bands tune to a pitch of A=442 or higher, and A=442 in particular is the standard in classical music. Time signals on television, radio, and at 117 also sound three 440 Hz tones and a final 880 Hz tone (one octave higher than 440 Hz). Nickel-plated finish, Made in Germany Comes in its original case.