AT841a (DISCONTINUED)

Omnidirectional Condenser Boundary Microphone

MSRP* US$297.00

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



  • Features
  • Specifications
  • Downloads

  • Features


    • Designed for surface-mount applications requiring high-quality sound pickup

    • Heavy die-cast case and rubber bottom pad minimize coupling of surface vibration to the microphone

    • Operates on battery or phantom power

    • Low-profile design for minimum visibility

    • Detachable 25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F connectors

    • Also available in white as AT841WA

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNOmnidirectional
    FREQUENCY RESPONSE30-20,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 18 dB/octave
    OPEN CIRCUIT SENSITIVITYPHANTOM: -42 dB (7.9 mV) re 1 V at 1 Pa
    BATTERY: -44 (6.3 mV) re 1 V at 1 Pa
    IMPEDANCEPHANTOM: 200 ohms
    BATTERY: 270 ohms
    MAXIMUM INPUT SOUND LEVELPHANTOM: 133 dB SPL, 1 kHz at 1% T.H.D.
    BATTERY: 119 dB SPL, 1 kHz at 1% T.H.D.
    DYNAMIC RANGE (typical)PHANTOM: 104 dB, 1 kHz at Max SPL
    BATTERY: 90 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO65 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS9-52V DC, 2 mA typical
    BATTERY TYPE1.5V AA/UM3
    BATTERY CURRENT / LIFE0.4 mA / 1200 hours typical (alkaline)
    SWITCHOff, on-flat, on-roll-off
    WEIGHT (MICROPHONE)2.8 oz (80 g)
    WEIGHT (POWER MODULE)5.2 oz (147 g)
    DIMENSIONS (MICROPHONE)2.56" (65.0 mm) diameter,
    0.59" (15.0 mm) height
    DIMENSIONS (POWER MODULE)3.27" (83.0 mm) H x
    2.48" (63.0 mm) W x
    0.87" (22.0 mm) D
    OUTPUT CONNECTOR (POWER MODULE)Integral 3-pin XLRM-type
    CABLE25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded, with TA3F connectors
    ACCESSORIES FURNISHEDAT8531 power module; battery; soft protective pouch
    Click on the chart to view the larger image
    POLAR PATTERN
    POLAR PATTERN
    FREQUENCY RESPONSE
    FREQUENCY RESPONSE



    Conditions
  • Downloads

    AT841a, AT841Wa Specification Sheet (pdf 108.67 KB)
    Optional Windscreens / Mounts