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Audio-Technica UA851R UniPoint Boundary Microphone

B&H # AUU851R MFR # U851R
Audio-Technica UA851R UniPoint Boundary Microphone

Audio-Technica UA851R UniPoint Boundary Microphone Back View Accessories

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Product Highlights

  • Optimized for Speech

You Pay: $219.00

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The Audio-Technica UA851R is a high quality surface-mounted boundary microphone designed for audio capturing in conference rooms, board rooms, class rooms, stage performances, podiums, houses-of-worship and more. The UA851R features a frequency response designed to enhance intelligibility of speech. The sleek rugged enclosure provides a low-profile while housing a cardioid, condenser element.

The cardioid pattern is effective in minimizing noise and feedback at the off-axis sections of the microphone, resulting in greater signal to noise ratio. The UA851R's capsules are interchangeable; omni-directional and hyper-cardioid polar patterns are available. The output connection features a pivot motion for easy installation on flat surfaces. The microphone operates on an external 11-52VDC phantom power supply source.

Optimized For Speech
The UA851R features a frequency response curve, designed to enhance intelligibility of speech.
Cardioid Pattern
The cardioid polar pattern is effective in rejecting off-axis audio signal that can cause noise and feedback.
PivotPoint Rotating Output Connection
The connector features a pivoting motion, which aids in surface mounting.
UniSteep Filter
A low-frequency filter minimizes low frequency rumble and noise caused by vibration, proximity effect, ambiance, etc.
UniGuard RFI Shielding
UniGuard shielding protects against noise caused by radio frequency interference that may occur.
Transducer Condenser
Polar Pattern Half-cardioid
(cardioid in hemisphere above mounting surface)
Frequency Response 30Hz to 20KHz
Dynamic Range (Typical) Phantom: 111dB,1KHz at Max SPL
Signal-to-Noise Ratio 72dB, 1KHz at 1 Pa
Maximum Input Sound Level Phantom: 133dB SPL, 1KHz at 1% T.H.D.
Power Requirements 11-52VDC, 2 mA typical
Output Impedance Phantom: 200 ohms
Output Connectors Integral 3-pin XLRM-type
Pad No
Low Frequency Roll-Off 80Hz, 18dB/octave
Dimensions 3.31 x 2.48 x 0.87" (84 x 63 x 22mm) (HxWxD)
Weight Microphone: 8.6 oz (244g)
Audio-Technica UA851R UniPoint Boundary Microphone
  • Soft Protective Pouch
  • 1 Year Warranty
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