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SHURE 522
SHURE-522
SGD 261.00

Availability: In stock

Desktop Cardiod Dynamic Voice Communication Mic

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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 office machines. It also can reduce feedback in public address paging applications.



 


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.




 


Impedance Selection


Use the switch located under the microphone base, near the cable entry, to select high (HI) or low (LO) impedance.


Use the low-impedance position for long cable lengths under conditions of severe hum disturbance. Use Shure Model A95 Series Line Matching Transformers when using a low-impedance microphone line with a high-impedance amplifier input.




 


Logic Connections


The RED and BLACK leads may be used to control an external relay or switching circuit.




Audio Connections



Unbalanced high-impedance operation:


Set the impedance switch to the HI position (as shipped). Connect the GREEN cable lead and the shield to the amplifier chassis ground. The WHITE cable lead is the "hot" conductor.




 


Balanced-line low-impedance operation:


Set the impedance switch to the LO position. Connect the shield to the amplifier chassis ground. The WHITE and GREEN cable leads are the "hot" conductors.


 


Cable-to-Connector Wiring














































Input TypeWire ColorFunctionXLR Connector1/4 in. Phone Plug
Unbalanced White Audio Pin 2 Tip
Green Audio Ground Pin 3 Sleeve
Shield Chassis Ground Pin 1 Sleeve
Balanced White Audio + Pin 2 Tip
Green Audio - Pin 3 Ring
Shield Chassis Ground Pin 1 Sleeve






 



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


Specifications

Transducer Dynamic
Polar Pattern Cardioid (Unidirectional)
Frequency Response 60 Hz to 11 kHz
Power Requirements None - Dynamic Mic
Output Impedance Dual: 150 Ohms (260 Ohms Actual) for Mic Inputs rated 19-300ohms & HIGH for High Impedance Mic Inputs
Output Connectors    2.1m (4-conductor)
Applications Intercom Systems, Dispatchers, etc.
Dimensions Adjustable (248 to 311.5 x 102mm) HxW
Weight 736 grams
Specialties Internal Rubber Vibration-Isolator

 

Click here to see User Guide

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