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Shure BETA 54

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Supercardioid Condenser Headworn Microphone, 5’ Attached Cable w/TA4F Connector
The Shure BETA 54 is a subminiature, electret condenser headworn microphone. It provides uncompromised sound quality and reliability with minimal visibility in applications such as broadcast, theater, and touring. Despite the small size, the condenser element delivers full, clear, and natural reproduction of speech and vocals. 

The microphone features a durable, low-profile wire frame headband which is fully adjustable for stability and comfort. A plastic carrying case protects the microphone and its accessories. 

Supercardioid polar pattern provides maximum gain-before-feedback and ambient rejection
Extended frequency response tailored for vocal performances
Able to handle extremely high sound pressure levels (SPL)
Snap-fit foam windscreens stay in place during intensive movement
Available with an in-line preamp or with a TA4F connector for wireless applications
Condenser (electret bias)
Frequency Response
50Hz to 20KHz

Polar Pattern
Output Noise (equivalent dBSPL, A-weighted)
39.0 dB typical; 42.0 dB maximum
Signal-to-Noise Ratio
55.0 dB at 94 dB SPL
Recommended Minimum Input Impedance
>1 kilohm
Preamp Output Impedance
136 ohms
Output Level, open circuit, ref. 1v/Pa at 1 kHz
-52.0 +/- 3.0dB 2.51mV
Maximum Sound Pressure Level
149 dBSPL at 1% THD/1 kilohm load
Dynamic Range
110 dB (max. SPL with 1k load, minus typical A-wt. noise)
Current Drain
4.6 mA (preamp and microphone)
Output Polarity
Positive pressure on the diaphragm produces a positive voltage at:
Pin 2 relative to pin 3 at the output connector of the preamp
Power Requirements
Phantom power; 11 to 52 Vdc positive on pins 2 and 3, return on pin 1 (ground)
Net Weight
135.35 g (4.75 oz.) microphone and in-line preamp
1.5 m (5 ft.), small-diameter, shielded, with mini 4-pin connector (TA4F)
More Information
UPC 042406113441
Weight 1.0000
Brand Shure
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