By: Shure
Microphones, Headphones & Wireless systems
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Voice Communication Microphone
The Shure Specialty to General Communications Microphone Series 514 B is a low impedance, dynamic, hand-held microphone designed for paging and public address systems. It provides clear, natural voice response and high intelligibility.

The 514-B connects to microphone inputs rated at 19 to 300 O. It can be used in applications that require long cable lengths, or where severe hum conditions are present. For connection to high impedance inputs, use Shure A95 Series Line Matching Transformers.

The microphone is provided with a four-conductor (two shielded) coiled cable and a “Million-Cycle” leaf-type switch designed for constant use under the most rigorous conditions. The 514B fits naturally and comfortably in the hand and is not affected by heat or humidity. The exclusive ARMO-DUR® case resists mechanical shocks and vibration, and is impervious to oil, fumes, salt spray, ultraviolet radiation, and corrosion.
Smooth, extended frequency response from 100 to 6,000 Hz-provides highly intelligible voice response
“Million-Cycle” leaf-type switch-provides outstanding reliability, even under extreme conditions
Tough ARMO-DUR case
Long-life, neoprene-jacketed, coiled cable
Supplied mounting bracket fits hang-up button on back of microphone

Type Dynamic
Frequency Response 100 to 6,000 Hz
Impedance Microphone rating impedance is 150 O (200 O actual) for connection to microphone inputs rated at 19 to 300O
Output Level Open Circuit Voltage= –36.5 dB (15 mV)*; –56.5 dBV/Pa (1.5 mV)**
Switch Push-to-talk, leaf-type switch to actuate microphone circuit and relay or switching circuit. Microphone circuit normally open
Cable 1.5 m (5 ft) extended, four-conductor, two-conductors shielded, neoprene-jacketed, coiled cable
Case Matte black ARMO-DUR
Net Weight 200 grams (7 oz)
Packaged Weight 372 grams (13 oz)

*0 dB = 1 volt per 100 microbars
**1Pascal = 94 dB SPL

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Prices and specifications subject to change without notice.