Astatic 611L - User Manual

Description
The Astatic Model 611L is an omnidirectional, dynamic microphone designed
for hand held applications in quality sound installations. The frequency
response, especially tailored for voice communications, provides a crisp,
clear, highly intelligible sound. The Model 611L, 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 611L comes with a permanently attached,
heavy duty, four conductor, two shielded, coil cord. The 611L has a simple
to operate 2PDT long life, trouble free switch. The Model 611L has a low
impedance output and is factory wired normally open. The Model 611L
may be rewired in the field if a line shorting function is desired.
APPLICATIONS
The Astatic Model 611L, because of its' professional sound and rugged
construction, is an excellent choice for any application requiring a hand
held, microphone for public address in industrial and general applications,
such as factories, airports, lobbies, restaurants, warehouses, etc. and for
two-way communications in taxicabs, buses, construction, police and fire
vehicles, etc.
611L
OMNIDIRECTIONAL
DYNAMIC MICROPHONE
Commercial Audio Products

Summary

Product Description

Product Applications

Technical Specifications

Cable Details

Four conductor, two shielded, permanently attached, heavy duty, neoprene jacketed coil cord that extends to 1.8m (6 ft.)

Switch Operation

Operated by press-to-talk lever, 2PDT long life, trouble free switch with spring return, has smooth feel.

Warranty Information

Astatic 611L Specifications

Audio Specifications

pattern	Omnidirectional
frequency response	100 to 7500 Hz
output level	-58 dB (0 dB = 1mw / 10 microbars), -76 dB (0 dB = 1 volt / microbar), 1.6 mV/PA
impedance	400 ohms, matches 150 to 1000 ohms

Cable

cable type	Four conductor, two shielded, permanently attached
cable material	neoprene jacketed coil cord
cable length	1.8 m

Weight and Dimensions

height	100 mm
width	75.4 mm
depth	54.8 mm
weight	227 grams