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Shure 522 Dual Impedance Desktop Base Station Cardioid Dynamic Microphone (Discontinued)
Part # 522
Model # 522

The Shure Model 522 is a dynamic base station microphone designed especially for radio communications, paging, and dispatching systems.

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Description

Details

Shure 522 Dual Impedance Desktop Base Station Dynamic Microphone for Public Address and Paging Applications

The Shure Model 522 is a dynamic base station microphone designed especially for indoor communication systems such as 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. The 522 is suitable for high noise environments.

Press-to-Talk Switch is lockable, for microphone and an external relay or control circuit. Microphone circuit normally shorted in both high and low impedance. 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.

Features

Features

  • Frequency response tailored for voice communications
  • Directional microphone element
  • Switch-selected dual impedance output
  • PTT switch that can be locked “On” for hands-free operation
  • Four conductor, shielded, bare-ended (no connector), straight cable
  • Adjustable height
  • Does not require DC power for operation
Specification
Frequency Response60 to 11,000 Hz
Polar PatternCardioid (unidirectional) - uniform with frequency, symmetrical about axis
ImpedanceDual imp. 150 ohms (260 ohms actual) for connection to mic inputs rated at 19 to 300 ohms and High
Cartridge Shock Mountlnternal rubber vibration-isolator
Cable2.1 m (7 ft) four-conductor, two conductors shielded non-detachable
CaseTwo-tone gray ARMO-DUR with dull-chrome-plated steel screen
Weight736 g (1 Ibs 10 oz)
Shipping Weight1020 g (2 Ibs 4 oz)
Documents

Documents

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