Shure 577B Dynamic Microphone

Shure 577B Dynamic Microphone

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The Shure 577B is a dynamic handheld cardioid microphone designed for paging and broadcast applications. The microphone's noise cancelling characteristics make it deal for high noise environments such as factories, news choppers, dispatch depots, etc. The contoured frequency response accentuates vocals providing better intelligibility and clarity. A mounting bracket is supplied to provide convenient hang-up when the microphone is not in use.

Noise cancelling characteristics
Contoured frequency response
4-conductor shielded connection
Suitable for paging and PA systems in medical offices, factories, airport terminals, etc

Shure 577B Features:
  • Frequency response designed for voice communications
  • Directional mic element
  • Minimal pick-up of background noise due to close-talk design
  • Rugged, high impact ARMO-DUR® case
  • Double-pole, single-throw PTT switch designed for constant usage
  • Four conductor, shielded, bare-ended (no connector) coil cord
  • Does not require DC power for operation

Shure 577B Specifications:
  • Type Dynamic, noise-canceling
  • Frequency Response 100 to 5,000 Hz
  • lmpedance Rated at 150 ohms (175 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms.
  • Output Level Open Circuit Voltage: -66.0 dBV/Pa* (0.5 mV) *0 dB = 1 volt per 1 Pascal/94 dB SPL

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