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Shure Incorporated
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522
Voice Communication Microphone
General Description
The Model 522 is a dynamic base-station microphone for radio communications, paging, and dispatching systems. Its cardioid
(unidirectional) pickup pattern suppresses unwanted background noise from nearby dispatchers, ventilating equipment, or of
fice machines. It also can reduce feedback in public address paging applications.
Features
Dual impedance (19 to 300 ohms or High)
Impedance change switch for convenient change-over
Finger-tip control bar (locking or non-locking action) to actuate microphone circuit and an external relay or control circuit
Long-life swtich to satisfy rigorous requirements of communications and paging systems
Sturdy, high impact ARMO-DUR , base and microphone case
Adjustable microphone height
Dependable under most operating conditions
Press-To-Talk Switch Operation
Press and hold the bar switch to talk. To lock the switch, press and pull it forward. To unlock the switch, move the bar back and
release.
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