Oscillations and Waves > Instruments > Air Columns
DCS# ?
EDGE TONE DEMONSTRATOR
APPARATUS
wooden box with slit, wedge
202-06-C
air hose and connector
202
wireless microphone
201A
DESCRIPTION
Air jet from old organ pipe flue
and wooden wedge can produce a variety of edge tones, which may be
amplified with a microphone. Two main variables are velocity of
air in jet, and distance from jet aperture to wedge. A
low-pressure air regulator should be used to control the air from the
building air line.