527C Handheld Microphone

The Shure Model 527C is a dynamic handheld communications microphone designed for use in a variety of mobile and fixed station applications, including police, transportation, amateur radio and similar applications. The 527C offers extremely low sensitivity to hum pickup and low susceptibility to radio-frequency interference. A built-in solid state amplifier permits the use of up to 30 m (100 ft) of unshielded cable.

527C with Built-in Transistor Amplifier (300 Hz to 5 kHz)

A transistorized communications microphone designed for use in a variety of mobile and fixed-station applications, including police, transportation, amateur radio and similar applications.

• Built-in amplifier
• Frequency response from 300 to 5,000 Hz, tailored for voice communications
• Low sensitivity to hum
• Low susceptibility to radio-frequency interference
• “Million-Cycle” leaf-type switch stands up under severe operating conditions and constant use
• High-impact ARMO-DUR case — lighter and stronger than die-cast metal, comfortable to the touch in hot or cold weather
• Rugged and dependable under all operating conditions
• Long-life neoprene-jacketed coil cord

Type

Dynamic (with transistor preamplifier)

 

Frequency Response

300 to 5,000 Hz

  view larger

 

Sensitivity (at 1,000 Hz)

Open Circuit Voltage ­31dBV/Pascal (28 mV)

1 Pascal = 94 dB SPL

 

Load lmpedance Range

220 to 2,200 ohms

 

Maximum Signal (with 10 Vdc, 470 ohm load

135 dB SPL at 1,000 Hz produces +10 dBV (3.2V) at 10% THD

 

DC Supply Voltage and Current

4 to 35 Vdc

 

Switch

Double-pole, single-throw, leaf-type

 

Cable

Non-detachable, 1.8 m (6 ft), 4-conductor, neoprene-jacketed coil cord

 

Case

Black high-impact ARMO-DUR®

 

Dimensions

See User Guide

 

Net Weight

342 grams (12 oz)

 

Packaged Weight

483 grams (17 oz)

• FAQ's for 527C