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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
*0 dB = 1 volt per 100 microbars**1Pascal = 94 dB SPL
| 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)|
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Audio Video Supply Inc.
4575 Ruffner St
San Diego, CA 92111
Prices and specifications subject to change without notice.