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Shure Incorporated - 503BG
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Cardioid Dynamic Microphone for Indoor Communication Systems

Series: Shure
Model: 503BG
  • Optimized performance in voice processing and computer voice recognition applications
  • Smooth frequency response with excellent fidelity in the voice range
  • Cardiod pickup pattern and close-talking operation keep unwanted signals and background noise at low levels
  • Constant output over voice spectrum when close talked
  • Humbucking coil minimizes undesirable hum effects such as CRT interference
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The model 503BG is a Unidirectional Dynamic Microphone developed for computer voice recognition applications. The microphone offers excellent voice fidelity while reducing background noise. Also use the 503BG in other close-talking applications such as paging and talkback. The 503BG features a low-impedance, moving coil type transducer with an integral humbucking coil and an attached two-conductor shielded cable with a built-in strain relief. It produces a frequency response with an essentially constant output voltage over the voice spectrum when used close to the sound source. The 503BG’s case is aluminum with a black enamel finish. It mounts to a gooseneck, a fixed pipe or a microphone stand using a standard 5/8”-27 thread. To secure the mounted BG503, tighten the 4-40 screw with the supplied #4 Allen (hexhead) wrench.
  • Optimized performance in voice processing and computer voice recognition applications
  • Smooth frequency response with excellent fidelity in the voice range
  • Cardiod pickup pattern and close-talking operation keep unwanted signals and background noise at low levels
  • Constant output over voice spectrum when close talked
  • Humbucking coil minimizes undesirable hum effects such as CRT interference
  • Low-impedance design permits long cable runs in extreme hum fields
  • Small unobtrusive design does not interfere with CRT visibility
  • Rugged and reliable for years of consistent operation

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