3B Scientific 1002615 Tuning Fork C-Major, on Resonance Box

Set of four tuning forks for demonstrating C-major chord. Supplied on a sound box made of clear grained pine for especially long sustain from which the tuning forks can be removed. Includes a soft striking hammer (U10122).

Natural frequency, Internal length:

• c' = 256 Hz 11.81 in
• e' = 322 Hz 9.44 in
• g' = 384 Hz 7.48 in
• c" = 512 Hz 5.51 in