For experiments in the field of sound transmission and damping;
battery-driven alarm with loud bell;
foam plate (D = 150 mm, H = 30 mm) to absorb the vibrations of the alarm bell;
dimensions: 115 x 60 x 170 mm
Experiment(s) - from the experiment manual P9102-5AE Acoustics, Vibrations and Waves, Demo (ENG)