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Description
The Astatic Model 631L is a noise cancelling dynamic microphone designed
for close talking, hand held applications in quality sound installations where
background noise is a problem. The frequency response, especially tailored
for voice communications, provides a crisp, clear, highly intelligible sound
with 360 degrees minimization of background noise. A soft lip guard is
positioned to assure proper close talk voice spacing by the operator. The
Model 631L, with modern "tear drop" styling, offers extreme reliability,
convenient handling, rugged construction and high performance for years
of dependable service.
The dynamic cartridge has a rugged polyester diaphragm which resists
moisture, temperature extremes, most acids, alkalies and solvents. Molded
in high impact Cycolac, the Model 631L comes with a permanently attached,
heavy duty, four conductor, two shielded, coil cord. The 631L has a simple
to operate DPDT long life, trouble free switch. The Model 631L has a low
impedance output and is factory wired normally open. The Model 631L
may be rewired in the field if a line shorting function is desired.
APPLICATIONS
The Astatic Model 631L, because of its' professional sound and rugged
construction and highly effective background noise reduction capabilities,
is an excellent choice for any application requiring a hand held, noise
cancelling microphones for difficult noise environments such as factories,
airports, restaurants, mills, etc. and for two-way communications in taxicabs,
buses, airplanes, helicopters, construction, police and fire vehicles, etc.
631L
DYNAMIC NOISE CANCELING
MICROPHONE
Commercial Audio Products