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Description:

ATM73A, ATM 73A, ATM-73A

Manufacturer's website

- 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
- Also available as:
ATM73ac -- less power module; 55 in (1.4 m) cable, unterminated
ATM73cW -- less power module; 55 in (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	60-15,000 Hz
LOW FREQUENCY ROLL-OFF	150 Hz, 6 dB/octave
OPEN CIRCUIT SENSITIVITY	-56 dB (1.5 mV) re 1V at 1 Pa
IMPEDANCE	200 ohms
MAXIMUM INPUT SOUND LEVEL	135 dB SPL, 1 kHz at 1 percent T.H.D.
DYNAMIC RANGE (typical)	101 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO	60 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS	9-52V DC, 2 mA typical
BATTERY TYPE	1.5V AA/UM3
BATTERY CURRENT / LIFE	1 mA / 1000 hours typical
SWITCH	On-flat, on-roll-off (phantom) Off, on-flat, on-roll-off (battery)
WEIGHT (MICROPHONE)	1.1 oz (31.2 g)
WEIGHT (POWER MODULE)	5.2 oz (147.4 g)
DIMENSIONS (MICROPHONE)	0.98 in (25.0 mm) long, 0.39 in (10.0 mm) diameter
DIMENSIONS (POWER MODULE)	3.27 in (83.0 mm) H x 2.48 in (63.0 mm) W x 0.87 in (22.0 mm) D
DIMENSIONS (HEADSET)	6.49 in (165.0 mm) nominal at widest point, 2.64 in (67.0 mm) flexible boom
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
CABLE	3.0 ft (0.9 m) long (permanently attached between microphone and power module)
ACCESSORIES FURNISHED	AT8530 power module; AT8128 windscreen; AT8125 windscreen; battery
AUDIO-TECHNICA CASE STYLE	M5

SPECIFICATION GRAPHS
Click on the chart to view the larger image
		POLAR PATTERN
		FREQUENCY RESPONSE