Audio-Technica U851A Cardioid Condenser Boundary Microphone

Audio-Technica U851A Cardioid Condenser Boundary Microphone

Audio-Technica U851A Cardioid Condenser Boundary Microphone

B&H # AUU851A MFR # U851A
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Product Highlights

  • Cardioid/Half-Cardioid Polar Pattern
  • 30 Hz to 20 kHz Frequency Range
  • Accepts Battery & Phantom Power
  • XLR Output
  • Eliminates phase-distortion & RFI
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Audio-Technica U851A overview

  • 1Description

The U851A from Audio-Technica is a boundary microphone for surface-mount applications. It operates in a cardioid/half-cardioid polar pattern, though its condenser-element is switchable. Offering a frequency range of 30 Hz to 20 kHz, this microphone works with an AA battery as well as phantom power, and boasts an SPL of 123 dB to 133 dB depending on the method of power used.

Key Features
  • Designed for surface-mount applications such as sound reinforcement, conferencing, television sound, and more
  • Rotating output connector allows XLR cable to exit from the back or the bottom of the microphone, depending on your preference
  • Off-axis rejection for maximum gain before microphone feedback
  • Rejection of RFI (radio frequency interference) through UniGuard technology
  • Small-diameter capsule near boundary for eliminating phase-distortion whilst delivering a high-output signal
  • Steep low-frequency attenuation for increased sonic response without affecting vocal quality
  • Durable casing
  • Non-slip silicone foam pads minimize coupling and other problems due to surface-to-surface microphone vibration
  • Operates on battery or phantom power
UPC: 042005139132
In the Box
Audio-Technica U851A Cardioid Condenser Boundary Microphone
  • AT8531 Power Supply
  • Battery
  • Soft Protective Pouch
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Audio-Technica U851A specs

    Analog Performance
    Sound Field Mono
    Transducer Condenser
    Polar Pattern Cardioid
    Frequency Range 30 Hz to 20 kHz
    Signal to Noise Ratio 72 dB A-Weighted
    Maximum SPL 133 dB SPL
    THD 1%
    Impedance 270 Ohms
    Sensitivity 8.9 mV/Pa
    Low-Cut Filter 18 dB/Octave @ 80 Hz
    Dynamic Range 111 dB
    Output Connectors 1 x 3-Pin XLR
    Battery Type 1 x AA
    Operating Current Consumption 2 mA
    Operating Voltage 11 to 52 V
    Length 4.25" / 10.79 cm
    Weight 8.6 oz / 244 g
    Packaging Info
    Package Weight 1.65 lb
    Box Dimensions (LxWxH) 10.2 x 5.1 x 2.7"

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