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ATM73a

Cardioid Condenser Headworn Microphone
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Details

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.

 

    • 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

ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Cardioid
FREQUENCY RESPONSE 40-15,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY PHANTOM: -55 dB (1.7 mV) re 1V at 1 Pa BATTERY: –56 dB (1.5 mV) re 1V at 1 Pa
IMPEDANCE PHANTOM: 200 ohms BATTERY: 270 ohms
MAXIMUM INPUT SOUND LEVEL PHANTOM: 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 RATIO 59 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
BATTERY TYPE 1.5V AA/UM3
BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical (alkaline)
SWITCH Off, on-flat, on-roll-off
WEIGHT (MICROPHONE) AT8480 shock mount for 5/8"-27 threaded stands; protective carrying case1.1 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
CABLE 4.6' (1.4 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor shielded cable with TA3F-type connector
ACCESSORIES FURNISHED AT8531 power module; AT8128 windscreen; AT8125 windscreen; battery
AUDIO-TECHNICA CASE STYLE M5`

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