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Audio-Technica ATM73ac

Subminiature Omnidirectional Condenser Lavalier Microphone

140.00

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

Minimum 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)

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

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