The rotary subwoofer: a controllable infrasound source.
The rotary subwoofer is a novel acoustic transducer capable of projecting infrasonic signals at high sound pressure levels. The projector produces higher acoustic particle velocities than conventional transducers which translate into higher radiated sound pressure levels. This paper characterizes measured performance of a rotary subwoofer and presents a model to predict sound pressure levels.
Infrasound Laboratory, University of Hawaii, Kailua-Kona, Hawaii 96740, USA. jpark@isla.hawaii.edu
Joseph
J
Park
Milton
M
Garcés
Bruce
B
Thigpen