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
3' (0.9 m) cable permanently attached between microphone and power module
Also available as:
ATM73ac -- less power module; 55" (1.4 m) cable, unterminated;
ATM73cW -- less power module; 55" (1.4 m) cable terminated with 4-pin HRS connector for A-T UniPak™ wireless systems

MPN: ATM73A
UPC: 042005309368

Element, Phantom Power Requirements
- Condenser
- 9 - 52V, 2 mA typical

Polar Pattern Battery Type
- Cardioid
- 1.5V AA/UM3

Frequency Response Battery Current/Life
- 60 - 15,000 Hz
- 1 mA/1000 hours typical

Open Circuit Sensitivity Switch
- -56 dB (1.5 mV) re 1V at 1 Pa
- Off/on-flat/on-roll-off

Impedance Low Frequency Roll-off
- 200 ohms
- 150 Hz, 6 dB per octave

Maximum Input Sound Level Weight
- 135 dB SPL, 1 kHz at 1% T.H.D.
- 1.1 oz (31 g)

Signal to Noise Ratio Power Module
- 60 dB, 1 kHz at 1 Pa
- In-line

Dynamic Range (Typical) Output Connector
- 101 dB, 1 kHz at Max. SPL
- XLRM-type (power module)