Lip whistle for experiments on pitch as a function of resonance space. Closed wooden whistle with a round cross-section and movable piston, chromatic range from g1 (392 Hz) to g² (794 Hz).
Frequency range: approx. 400 Hz –800 Hz
Resonance space: approx. 170 mm x 20 mm dia.
Length: approx. 250 mm
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