503BG
“Close-Talk” Microphone
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.
- Applications
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Paging
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Intercom
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Voice Recognition
- Microphone Types
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Dynamic:
Simple, rugged diaphragm/coil. handles extreme volume levels without distortion.
- Polar Patterns
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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 Responses
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Tailored:
Smooth, extended response. Tuned to accentuate specific types of instruments or voices.
- Form Factors
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Gooseneck
- Model Lines
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Other
- Related Links
- FAQ's for 503BG
- Features
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- 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
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- 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
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Name Availability 
G12
12 inch (30.48 cm) chrome gooseneck.
Where To Buy
G12B
Black 12 inch (30.48 cm) gooseneck for Shure 503BG, 515BSL and 515BSLX microphones.
Where To Buy 
G18A
18 Inch (46 cm) Chrome Side-Vent Gooseneck.
Where To Buy 
G6A
Chrome side-vent gooseneck, 6-inch (15.24 cm).
Where To Buy
R172
Replacement cartridge for the Shure 503BG microphone
Where To Buy 
A12
Mounting Flange, 5/8''-27 Threaded.
Where To Buy 
A13HD
Mounting Flange, Heavy Duty, Silver.
Where To Buy 
A13HDB
Mounting Flange, Heavy Duty, Black.
Where To Buy - User Guides
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File Language Type File Size 503BG User Guide English PDF 202 kb