A set of loudspeakers designed for use in acoustics
experiments. Provides for examination of the behavior of
sound wave phenomena such as interference and reflection
and comparison with other types of wave phenomena such
as microwaves and ultrasonic waves. Appropriate for use
with BH-0119 Blinky, SH-7004, SH-7005 Stroblink or
the pulses generated in the TH-9780, TH-9781 Geiger
Tube by radioactive sources.