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19 April 2024
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SHURE 522 MICROPHONE Desktop, cardioid, telescopic

Stock code
74-6212
Brand
Shure
Model number
  • 522
SHURE 522 MICROPHONE Desktop, cardioid, telescopic
SHURE 522 MICROPHONE Desktop, cardioid, telescopic

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VAT / Delivery
No longer manufactured. Please contact Technical Support for alternatives.
RoHS Compliant

522 Desktop Microphone

The Model 522 is a dynamic base station microphone designed especially for radio communications, paging, and dispatching systems. Its cardioid (unidirectional) pickup pattern suppresses unwanted background noise -- the type of noise generated by other dispatchers working nearby, by ventilating equipment, or by office machines in the same area. It also eliminates or reduces feedback in public address paging applications.

522 with push-to-talk switch

Features

  • Dual impedance(19 to 300 ohms or High)
  • lmpedance 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 switch to satisfy rigorous requirements of communications and paging systems
  • Sturdy, high impact ARMO-DUR base and microphone case
  • Adjustable microphone height
  • Dependability -- under all operating conditions
  • Conversion kit available for Monitor/Transmit switching

Specifications

Type
Dynamic
Frequency Response
60 to 11,000 Hz
 
view larger
Polar Pattern
Cardioid (unidirectional) - uniform with frequency, symmetrical about axis
Impedance
Dual. Microphone rating impedance is 150 ohms (260 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms and "High" for connection to high-impedance microphone inputs. Switch is in high-impedance position as supplied. To change impedance, see sections on lmpedance Selection and Connections in User Guide.
Sensitivity (AT 1,000 HZ):
  LOW   HIGH
Open Circuit Voltage* -57.5 dB   -38.5 dB
(Ref. 1V/Pascal (1.3 mV)   (12 mV)
*(1 Pa = 94 dB SPL)
Switch
Press-to-Talk Switch - locking or nonlocking operation to actuate microphone circuit and an external relay or control circuit. Microphone circuit normally shorted in both high and low impedance.
Impedance Selection Switch - double-pole double- throw slide switch in microphone base to provide 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
Case
Two-tone gray ARMO-DUR® with dull-chrome-plated steel screen
Dimensions
See User Guide
Net Weight
736 grams (1 Ib 10 oz)
Shipping Weight
1020 grams (2 Ib 4 oz)

User Guides

SHURE MICROPHONES - Desk top

Aimed at paging,dispatching and radio communications applications, these microphones have bases, designed to be positioned on a desk or bench, supporting a vertical shaft to position the microphone capsule. A switch on the upper surface of the base of each model simultaneously switches the microphone on and provides a control circut for external equipment.

450-Series 2

This is a 'high output', dynamic, omnidirectional, desktop microphone designed for 'paging and dispatching applications'.The frequency response is 'tailored for optimum speech intelligibility'. There is a 'fingertip control bar' operating the press-to-talk switch, with 'lock-on option for hands-free operation'. Microphone height is adjustable. A slide switch in the base selects low or high impedance. The fixed cable is a 2.1m, four-conductor cable with two conductors shielded, no connector.

522

With a cardioid pick-up pattern, this is a dynamic microphone designed especially for base station 'radio communications, paging, and dispatching systems'. The cardioid pickup pattern 'suppresses unwanted background noise, the type of noise generated by other dispatchers working nearby, by ventilating equipment, or by office machines in the same area'. It also 'eliminates or reduces feedback in public address paging applications'. A 'finger-tip control bar' (locking or non-locking action) actuates microphone circuit and an external relay or control circuit. Microphone height is adjustable. A slide switch in the base selects low or high impedance. The fixed cable is a 2.1m, four-conductor cable with two conductors shielded, no connector.