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ATM73a (DISCONTINUED)

Cardioid Condenser Headworn Microphone


U.S. Two-Year Limited End-User Warranty

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



  • Overview
  • Features
  • Specifications
  • Downloads
  • Reviews
  • Q & A

  • Overview


    This product has been discontinued. Please see a combination of the ATM73cH and AT8545 as a replacement option.

    Ideal for drummers, keyboard players or anyone requiring hands-free operation, the ATM73a features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module operates on battery or phantom power.
  • Features


    • Ideal for drummers, keyboard players or anyone requiring hands-free operation

    • Comfortable, unobtrusive headband design with side-of-mouth pickup
    • Belt-mounted power module operates on battery or phantom power

    • Cardioid polar pattern improves isolation of desired sound source

    • Also available as ATM73cW – less power module; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak® wireless systems

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNCardioid
    FREQUENCY RESPONSE40-15,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 18 dB/octave
    OPEN CIRCUIT SENSITIVITYPHANTOM: -55 dB (1.7 mV) re 1V at 1 Pa
    BATTERY: –56 dB (1.5 mV) re 1V at 1 Pa
    IMPEDANCEPHANTOM: 200 ohms
    BATTERY: 270 ohms
    MAXIMUM INPUT SOUND LEVELPHANTOM: 146 dB SPL, 1 kHz at 1% T.H.D.
    BATTERY: 132 dB SPL, 1 kHz at 1% T.H.D.
    DYNAMIC RANGE (typical)PHANTOM: 111 dB, 1 kHz at Max SPL
    BATTERY: 97 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO59 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS11-52V 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)1.1 oz (31 g)
    WEIGHT (POWER MODULE)4.9 oz (139 g)
    DIMENSIONS (MICROPHONE)0.39" (10.0 mm) diameter
    DIMENSIONS (POWER MODULE)3.31" (84.0 mm) H x
    2.48" (63.0 mm) W x
    0.87" (22.0 mm) D
    DIMENSIONS (HEADSET)6.49" (165.0 mm) nominal at widest point,
    2.64" (67.0 mm) flexible boom
    OUTPUT CONNECTOR (POWER MODULE)Integral 3-pin XLRM-type
    CABLE4.6' (1.4 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor shielded cable with TA3F-type connector
    ACCESSORIES FURNISHEDAT8531 power module; AT8128 windscreen; AT8125 windscreen; battery
    AUDIO-TECHNICA CASE STYLEM5
    Click on the chart to view the larger image



    Conditions
  • Downloads

    ATM73a Specification Sheet (pdf 334.13 KB)
    ATM73a Submittal Sheet (pdf 367.39 KB)
    Optional Windscreens / Mounts
  • Reviews

  • Q & A