Astatic by CAD Omnidirectional Dynamic Desktop Microphone with Locking Switch

Frequencies taylored for intelligible speech communication.




This omnidirectional Astatic desktop microphone
is a dual impedance, dynamic mic that offers modern styling and features
in a rugged Cycolac housing. For all industrial and commercial public
address and paging applications. A slight rise above 200 Hz gives the
878HL microphone a natural and highly intelligible sound. The 878HL mic
offers a long-life DPDT leaf switch with three types of switch
activation: a momentary push bar, a locking on/off switch, and
lift-to-talk operation. The microphone's lift-to-talk operation can be
disabled with a slide switch located under the microphone base.

The
Astatic Desktop Mic is manufactured to take abuse and retain its
performance and appearance over a long life. Four molded, non-skid,
non-marring, permanently resilient shock isolation feet are located
under the base. The high or low impedance selector switch is located on
the bottom of the microphone. The 878HL mic is supplied with a 7'
four-conductor, two-shielded, cable wired normally open for relay
control. If a line-shorting switch function is desired, the Astatic
878HL can be easily rewired in the field. The wide band frequency
response is smooth and peak free.

Impedance
The
Astatic Model 877HL is a dual impedance microphone. The high impedance
position is 40,000 ohms and the low impedance is 400 ohms. The low
impedance position is recommended for long cable length requirements.
Cable lengths of 100' or more can be used in this position without loss
of level or deterioration of high-frequency response






Stylish, effective, and affordable. Order today.







Omnidirectional Dynamic Desktop Microphone with Locking Switch Specifications:

Operating Principle: Moving Coil Dynamic
Polar Pattern: Omnidirectional
Frequency Response: 50 to 12,000 Hz
HiZ Output Level: -55dB (0dB = 1 volt / microbar), -151 dB EIA
LoZ Output Level: -58 dB (0dB = 1mw / 10 microbars), -76 dB (0dB = 1 volt / microbar), -152 dB EIA
HiZ Impedance: 40,000 ohms, matches 100K ohms or greater
LoZ Impedance: 400 ohms, matches 125 to 1000 ohms
Switch: Control: DPDT professional long life leaf switches operated with a simple push-to-talk operation
Impedance: DPDT slide switch located on underside of the microphone
Cable: 7' of heavy-duty four-conductor (two-shielded) cable
Dimensions: 9-3/8" high x 4-11/32" wide x 5-27/32" deep
Weight: 24-1/4 oz.
Finish: Durable molded Cycolac in black with die cast base painted in a complimentary color








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