Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black)

Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black)

Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black)

B&H # AUU891RX MFR # U891RX
Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black)

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Product Highlights

  • Cardioid Polar Pattern
  • 30 Hz to 20 kHz Frequency Response
  • 11 to 52V Phantom Power
  • Selectable 80 Hz Low-Cut Filter
  • Rotating TB3M Output Connector
  • Ideal for Surface-Mount Applications
  • Multi-Mode Activation Switch
  • UniGuard RFI Shielding
  • Die-Cast Case
  • Includes 25' Cable
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Color: Black

Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black) Audio-Technica U891RWx Cardioid Condenser Boundary Microphone with Switch (White)

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Audio-Technica U891Rx overview

  • 1Description

The U891Rx from Audio-Technica is a black cardioid condenser boundary microphone designed to deliver high output with low phase distortion in surface-mount configurations for conferencing, live sound, theater, and studio recording. It features a cardioid polar pattern above the mounting surface, providing 120 degrees of acceptance. The small-diameter capsule yields minimal phase distortion and a frequency response of 30 Hz to 20 kHz. UniGuard RFI shielding reduces radio frequency interference, and a selectable 80 Hz low-cut filter lessens rumble.

The multi-mode activation switch can be set for one of three functions, Touch On/Off (latching), Touch-to-Talk (momentary on), or Touch-to-Mute (momentary off). The microphone’s heavy die-cast case has silicon foam bottom pads that decrease the transfer of vibration and surface noise. The TB3M output with a PivotPoint rotating connector allows the cable to exit from either the rear or the bottom of the mic. A 25' TB3-female to standard XLR male cable is supplied.

The U891Rx requires 11 to 52V phantom power.

  • Cardioid polar pattern provides 120 degrees of acceptance (cardioid above mounting surface)
  • Optional interchangeable elements (available separately) offer omnidirectional and hypercardioid polar patterns
  • 30 Hz to 20 kHz frequency response
  • Selectable 18 dB per octave, 80 Hz low-cut filter
  • Requires 11 to 52V phantom power
  • TB3M output with PivotPoint rotating connector allows cable to exit from either the rear or the bottom of the microphone
  • Ideal for surface-mount applications such as sound reinforcement, conferencing, and studio recording
  • Multi-mode activation switch can be set to any of three operating modes: Touch On/Off (latching), Touch-to-Talk (momentary on), and Touch-to-Mute (momentary off)
  • Small-diameter UniPoint capsule minimizes phase distortion
  • UniGuard RFI shielding reduces radio frequency interference
  • Die-cast case
  • Low-profile design with low-reflectance finish
  • Silicon foam bottom pads minimize the transfer of surface vibrations
  • Includes 25' (7.6m) 2-conductor, shielded cable with TA3F and XLRM connectors
  • Includes protective pouch
UPC: 042005165865
In the Box
Audio-Technica U891Rx Cardioid Condenser Boundary Microphone with Switch (Black)
  • Protective Pouch
  • 25' TA3F to XLR-M Cable
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Audio-Technica U891Rx specs

    Analog Performance
    Sound Field Mono
    Operating Principle Pressure Gradient
    Transducer Condenser
    Diaphragm Not specified by manufacturer
    Tube No
    Polar Pattern Cardioid

    Cardioid in hemisphere above mounting surface

    Frequency Range 30 Hz to 20 kHz
    Signal to Noise Ratio Cardioid: 68 dB 
    Equivalent Noise Level Not specified by manufacturer
    Maximum SPL Cardioid: 130 dB SPL
    Pad None
    THD 1%
    Impedance 200 Ohms
    Load Impedance Not specified by manufacturer
    Sensitivity Cardioid: -34 dB
    Low-Cut Filter 18 dB/Octave @ 80 Hz
    CMRR Not specified by manufacturer
    Dynamic Range Cardioid: 104 dB
    General
    Output Connectors 1 x TB3M
    Cable Length 25'; / 7.62 m
    Operating Current Consumption 4 mA
    Operating Voltage 11 to 52 V
    Length 4.25" / 107.95 mm

    Width: 3.31" / 84 mm
    Height: 0.91" / 23 mm

    Weight 9.3 oz / 264 g
    Packaging Info
    Package Weight 1.3 lb
    Box Dimensions (LxWxH) 10.0 x 5.0 x 2.6"

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