AT891R/C (DISCONTINUED)

Cardioid Condenser Boundary Microphone with local or remote switching -

MSRP* US$300.00

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.



  • Features
  • Specifications
  • Downloads

  • Features


    • Ideal for high-quality sound reinforcement, conferencing and other demanding surface-mount applications

    • External contact closure capability permits control of remote devices from microphone switch

    • Ultra-quiet electronic switch can be set to any of three operating modes: "touch-on/touch-off," "touch-to-talk" and "touch-to-mute"

    • Red LED on top indicates when mic is "on"

    • Switchable 80 Hz hi-pass filter

    • Self-contained power module

    • Rugged, low-profile housing with low-reflectance black finish

    • Rubber non-slip bottom pad minimizes mechanical coupling of surface vibrations to the microphone

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNCardioid
    FREQUENCY RESPONSE30-15,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave
    OPEN CIRCUIT SENSITIVITY-35 dB (17.7 mV) re 1V at 1 Pa
    IMPEDANCE200 ohms
    MAXIMUM INPUT SOUND LEVEL133 dB SPL, 1 kHz at 1% T.H.D.
    DYNAMIC RANGE (typical)106 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO67 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS11-52V DC, 4 mA typical
    SWITCHESTouch-sensitive switch: on, off
    Switch function: touch on/off, momentary on, momentary off
    Control (operating mode selection): local, remote
    Low cut: flat, roll-off
    CONTACT CLOSUREClosure I/O voltage: -0.5V to 5.5V
    Closure through current: 100 mA
    Power dissipation: 720 mW
    On resistance: 20 +/- 8 ohms
    I/O leakage current: 400 nA
    WEIGHT5.8 oz (165 grams)
    DIMENSIONS2.87" (73.0 mm) maximum width,
    4.33" (110.0 mm) maximum length,
    0.85" (21.5 mm) maximum height
    CABLE20' (6.1 m) long, 0.13" (3.2 mm) diameter, 5-conductor, shielded, unterminated, attaches to microphone via screw terminals, output end stripped and tinned for connection to electrical device
    ACCESSORIES FURNISHEDSoft protective pouch, hole plug
    Click on the chart to view the larger image
    POLAR PATTERN
    POLAR PATTERN
    FREQUENCY RESPONSE
    FREQUENCY RESPONSE



    Conditions
  • Downloads

    AT891R C Specification Sheet (pdf 131.16 KB)
    Optional Windscreens / Mounts