Designed for indoor communication systems, including transportation, restaurant, and industrial applications. Suitable for environments with high levels of background noise.

Note: For proper operation, mouth-to-microphone distance should be 2 inches (5 cm) or less.

Application

Paging/Two-way Radio/Intercom

Microphone Type

Dynamic:

Simple, rugged diaphragm/coil. handles extreme volume levels without distortion.

Polar Pattern

Cardioid:

Picks up the most sound in front of the microphone and some from the sides. Less susceptible to feedback in high volume environments.

Frequency Response

Tailored:

Smooth, extended response. Tuned to accentuate specific types of instruments or voices.

Form Factor

Gooseneck

Model Line

Other

Downloads
503BG User Guide (PDF)
Related Links
FAQ's for 503BG
Features
  • Frequency response tailored for voice communications
  • 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
Specifications
Type
Dynamic, unidirectional (cardioid), close-talking
Frequency Response
100 to 7,000 Hz
lmpedance
170 ohms
Output Level
-61.5 dBV/Pa (.84mV) : 1 Pa = 94 dBSPL; -41.5 dB (8.4 mV): 0 dB = 1V/100 microbar
Accessories
Name Availability
G12

G12

12 inch (30.48 cm) chrome gooseneck.

A13HDB

A13HDB

Mounting Flange, Heavy Duty, Black.

A12

A12

Mounting Flange, 5/8''-27 Threaded.

A13HD

A13HD

Mounting Flange, Heavy Duty, Silver.

G12B

G12B

Black 12 inch (30.48 cm) gooseneck for Shure 503BG, 515BSL and 515BSLX microphones.

G18A

G18A

18 Inch (46 cm) Chrome Side-Vent Gooseneck.

G6A

G6A

Chrome side-vent gooseneck, 6-inch (15.24 cm).

R172

R172

Replacement cartridge for the Shure 503BG microphone