D'Addario Tuning Fork - Key of A (440Hz) Classical Guitar Case Via a six-position mode selector

Via a six-position mode selector

and precision potentiometers that guarantee knob positions will stay intact

This new version of the Rotomatics® uses the exact housing as the original

Flipping into Custom mode instantly changes the sound character to a cleaner analog tone with over twice the available delay time

- Koa Neck

D'Addario Tuning Fork - Key of A (440Hz) Classical Guitar Case Via a six-position mode selectorThe D'Addario A Tuning Fork makes it easy to tune any instrument by ear by providing an extremely accurate A440 reference Pitch. Perfect for tuning all instruments from guitar and bass to band and orchestra instruments. The D'Addario Tuning Forks provide an extremely accurate reference pitch for tuning all instruments by ear. The ergonomic comfort handle is easy to hold while striking and placing on any instrument or vibrating surface. The convenient