Audio Technica ATM73A Cardioid Condenser Headworn Microphone

Audio Technica ATM73A
Audio Technica ATM73A   

Audio Technica ATM73A Cardioid Condenser Headworn Microphone

Product Code: ATM73A

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Features

  • Ideal for drummers, keyboard players
  • Hands-free operation
  • Comfortable, unobtrusive headband design
  • Belt-mounted power module operates on battery or phantom power
  • Also available without power module, unterminated cable (ATM73ac)
  • Also available with HRS4-pin connector (ATM73cW) for A-T wireless systems

The ATM73a is a headworn condenser microphone with a cardioid polar pattern. It is designed for use by performing musicians and others who require professional-quality vocal pickup with hands-free operation. Ideal for drummers, keyboard players, the ATM73a features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module operates on battery or phantom power.

Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Cardioid
Frequency Response 40 - 15,000 Hz
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 148 dB SPL, 1 kHz at 1% T.H.D.; 158 dB SPL, with 10 dB pad (nominal 
Low Frequencey Roll Off 80 Hz, 18 dB/octave
Switches  Off, on-flat, on-roll-off 
Dynamci Range 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 Reqirements 11-52V DC, 2 mA typical
Battery Type  1.5V AA/UM3 
Battery Life  0.4 mA / 1200 hours typical (alkaline) 
Weight Microphone: 31 g (1.1 oz)
Power module: 139 g (4.9 oz)
Dimensions Microphone: 10.0 mm (0.39") diameter
Power module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Headset: 165.0 mm (6.49") nominal at widest point, 67.0 mm (2.64") 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 AT8531 power module ; AT8128 windscreen ; AT8125 windscreen ; battery