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Multidirectional Condenser Boundary Microphone

U843R
  • Multidirectional cardioid condenser elements mounted in a single housing. U843R can be adjusted to proper positioning simply of divided angle between 90° to 120° by two corresponding elements (Ch1 and Ch3). Each elements can be powered and used individually or in any combination.
  • Designed for surface-mount applications such as high-quality sound reinforcement and provide total coverage of round table or longer table with fewer microphones.
  • U843R is ideal for a variety of video and audio conferencing application, especially when used with an Audio-Technica automatic SmartMixer™.
  • Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance.
  • UniGuard™ RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI).
  • Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone.
  • Low-profile design with low-reflectance finish for minimum visibility.
  • Extended model :
    • U843Rc - Unterminated
    • U843Rd - Terminiated for mixer using D-sub connector
    • U843Rx - Terminiated with a specialized connector and included a conversion cable to three XLR-3M output


    With three cardioid condenser elements in a single housing, U843R is easily reposition two elements to offer 360° or 300° coverage. Since elements can be powered and used individually or in any combination, further flexibility is easily achieved. For example, with three elements powered in the 120° position, the microphone can be combined to a omindirectionalry mic; with two elements powered in the 90° position, the microphone can be combined to bidirectional coverage; with fewer microphones, they provide total coverage of round table or longer table.
    Installation and repositioning are extremely quick, thanks to four recessed pathways on the base of the microphone that enable the user to route the cable as required to accommodate any installation requirements; no tools or disassembly are needed. The microphone also offers Audio-Technica’s innovative UniGuard® RFI-shielding technology.



    • audio technica U843R
    • audio technica U843R

    • U843R Specifications

    Element

    Fixed-charge back plate, permanently polarized condenser
    Polar Pattern

    Hemispherical Cardioid x 3 (combine to omin-directional or bidirectional)
    Frequency Response

    70 ~ 16,000 Hz
    Open Circuit Sensitivity

    -37 dB (14.1 mV) re 1V at 1 Pa
    Impedance

    100 Ω
    Maximum Input Sound Level

    134 dB SPL, 1 kHz at 1% T.H.D.
    Dynamic Range (Typical)

    105 dB, 1 kHz at Max SPL
    Signal-To-Noise Ratio

    65 dB, 1 kHz at 1 Pa
    Phantom Power

    11-52V DC, 2mA typical
    Switch

    The lever of elements can adjust the
    Weight

    160 g (less cable)
    Dimensions

    20.0 mm (height), 85.0 mm (maximum body diameter)
    Cable

    7.6 m long (permanently attached to micro- phone), 4 mm diameter, 6 conductor, shielded cable
    Output Connector

    U843Rc - Unterminated
    U843Rd - Terminiated for mixer using D-sub connector
    U843Rx - Terminiated with a specialized connector and included a conversion cable to three XLR-3M output
    Accessories Furnished

    Soft protective pouch

    Download

    audio technica support U843R_QSG.pdf - U843R Quick Start Guide
    audio technica support U843R_UM_EN.pdf - U843R User Manual
    audio technica support U843R_UM_TC.pdf - U843R User Manual (Chinese)
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