ELEMENT

Fixed-charge back plate, permanently polarized condenser

POLAR PATTERN

Omnidirectional

FREQUENCY RESPONSE

30-20,000 Hz

LOW FREQUENCY ROLL-OFF

80 Hz, 18 dB/octave

OPEN CIRCUIT SENSITIVITY

Phantom: -45 dB (5.6 mV) re 1V at 1 Pa 
Battery: -46 dB (5.0 mV) re 1V at 1 Pa

IMPEDANCE

Phantom: 200 ohms 
Battery: 270 ohms

MAXIMUM INPUT SOUND LEVEL

Phantom: 135 dB SPL, 1 kHz at 1% T.H.D. 
Battery: 121 dB SPL, 1 kHz at 1% T.H.D.

DYNAMIC RANGE (typical)

Phantom: 106 dB, 1 kHz at Max SPL 
Battery: 92 dB, 1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO

65 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)

0.09 oz (2.5 g)

WEIGHT (POWER MODULE)

4.9 oz (139 g)

DIMENSIONS (MICROPHONE)

0.81" (20.5 mm) long, 
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

OUTPUT CONNECTOR (POWER MODULE)

Integral 3-pin XLRM-type

CABLE

6' (1.8 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor, shielded cable with TA3F-type connector

ACCESSORIES FURNISHED

AT8417 clothing clip; AT8531 power module; AT8116 windscreen; battery; protective carrying case

AUDIO-TECHNICA CASE STYLE

M1