Shure 522 User manual
522
Voice Communication Microphone
Online user guide for Shure
Version: 4 (2019-I)
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Table of Contents
522Voice Communication Microphone 3
General Description 3
Features 3
Press-To-Talk Switch Operation 3
Impedance Selection 4
Logic Connections 4
Audio Connections 4
Unbalanced high-impedance operation: 4
Balanced-line low-impedance operation: 4
Specifications 5
Accessories 7
Replacement Parts 7
Certifications 7
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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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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 chas
sis 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 ca
ble leads are the "hot" conductors.
Cable-to-Connector Wiring
Input Type Wire Color Function XLR Connector 1/4 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
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Specifications
Type
Dynamic (moving coil)
Frequency Response
60 to 11,000 Hz
Polar Pattern
Cardioid
Output Impedance
Dual. "Low" is 260 ohms for connection to microphone inputs rated at 19 to 300 ohms and "High" for con
nection to high-impedance microphone inputs.
Sensitivity
at 1kHz, open circuit voltage, dependent on impedance setting
LOW -57.5 dB (1.3 mV)
HIGH -38.5 dB (12 mV)
Switch
Press-to-Talk
Switch
lockable, for microphone and an external relay or control circuit. Microphone circuit normally shorted
in both high and low impedance.
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Impedance
Selection
Switch
provides either high- or low-impedance operation.
Cartridge Shock Mount
Internal rubber vibration isolator
Cable
2.1 m (7 ft) four-conductor, two conductors shielded non-detachable
Housing
Two-tone gray ARMO-DUR, with dull-chrome-plated steel screen
Weight
736 g (1 lb 10 oz.)
1 Pa = 94 dB SPL
Typical Polar Pattern
Typical Frequency Response
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Overall Dimensions
Accessories
Replacement Parts
Cable C31C
On-Off Switch K141S
Certifications
This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking.
The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone: +49-7262-92 49 0
Fax: +49-7262-92 49 11 4
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