Shure 503BG Cardioid Gooseneck Dynamic Computer/Voice Recognition Microphone, 100 to 7000 Hz Frequency Response


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About Shure 503BG

Developed for computer voice recognition applications, the Shure 503BG 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.

Shure 503BG Features

  • Frequency response tailored for voice communications
  • Directional microphone element
  • Minimal pick-up of background noise due to close-talk design
  • Hum-bucking coil reduces induced noise from computer displays
  • Attaches to flexible gooseneck arm (not included)
  • Two conductor, shielded, bare-ended (no connector), straight cable
  • Does not require DC power for operation

Shure 503BG Specifications

(Close Talking) Dynamic
Polar Pattern
Frequency Response
100 to 7,000 Hz
170 ohms actual
Output Level (Open Circuit Voltage)
-61.5 dBV/Pa (.84mV)
-41.5 dB (8.4 mV)
Hum Pickup
Maximum 15 dB equivalent SPL in m0e field
1.2 m (4 ft) two-conductor shielded
Aluminum with black enamel finish; stainless steel screen
Dimensions (L x Diameter)
Microphone: 2.63 x 1.375" (67 x 34.9mm)
4.5 oz. (128 g)
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