Tuning Fork, 440Hz, on Resonance Box

Tuning Fork, 440Hz, on Resonance Box Long-sustaining tuning fork mounted on a resonant chamber made of clear grained fir wood. Fork is removable and includes a soft striking hammer (U10122). Specifications: Natural frequency: 440 Hz Length of the tuning fork: approx. 170 mm Width of the tuning fork: approx. 33 mm Prongs dimensions: approx. 7mm x 12 mm with a distance of approx. 18 mm Resonance box: 180x90x50 mm³