Used JOHN WALKER TUNING FORK Instrument Tuner or Metronome

Used John Walker 523.3 Hz C Tuning Fork

Estimated Year: Mid–Late 20th Century

Made in: England

Overview

This is a vintage John Walker tuning fork, precision-tuned to 523.3 Hz (note C) and made in England. John Walker tuning forks were widely used in medical, audiology, and laboratory environments, as well as by musicians and educators for accurate pitch reference and ear training.

This example is clearly stamped “523.3 C” and “John Walker – England” and includes its original protective sleeve along with the original inspection/tuning slip indicating calibration at 68°F. These are known for excellent pitch stability, long sustain, and consistent build quality compared to modern mass-produced tuning forks.

Features

- Precision-tuned to 523.3 Hz (note C)

- Medical and audiology-grade tuning fork

- Made in England

- Excellent sustain and pitch accuracy

- Stamped with frequency and maker

- Includes original sleeve and tuning/calibration tag

Condition

Very good used condition.

- No cracks, bends, or structural issues

- Light cosmetic wear from normal handling

- Rings clearly with strong sustain

Store Policies

- All items are tested before listing and again before shipping.

- Orders typically ship next business day.

- Shipping is available to the continental U.S. only.

- We do not accept trades on shipped items.

- Returns are accepted within 48 hours of delivery. The buyer covers return shipping, and a 20% restocking fee applies. If you have any questions before buying, feel free to message us—we’re happy to help.