Specifications

Feature	Value	Comment
ELEMENT	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN	Omnidirectional
FREQUENCY RESPONSE	20-20,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY	Phantom: -43 dB (7.0 mV) re 1V at 1 Pa Battery: -46 dB (5.0 mV) re 1V at 1 Pa
IMPEDANCE	Phantom: 200 ohms Battery: 250 ohms
MAXIMUM INPUT SOUND LEVEL	Phantom: 138 dB SPL, 1 kHz at 1% T.H.D. Battery: 116 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	Phantom: 108 dB, 1 kHz at Max SPL Battery: 86 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO	64 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	Flat, roll-off (recessed)
WEIGHT (MICROPHONE)	0.02 oz (0.5 g)
WEIGHT (POWER MODULE)	3.6 oz (102 g)
DIMENSIONS (MICROPHONE)	0.63" (16.0 mm) long, 0.20" (5.0 mm) diameter
DIMENSIONS (POWER MODULE)	5.71" (145.0 mm) long, 0.83" (21.0 mm) diameter
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
CABLE	9.8' (3.0 m) long (permanently attached to microphone), 0.08" (2.0 mm) diameter, 2-conductor, shielded cable with TA3F output connector that mates with TB3M jack on power module
ACCESSORIES FURNISHED	AT8537 power module; AT8439 cable clip; clothing clip base; viper clip base; magnet clip base and plate with lanyard; three single mic holders; two double mic holders; two element covers; two windscreens; battery; protective carrying case
AUDIO-TECHNICA CASE STYLE	M29
Release Date
First seen	10 September 2007

Audio-Technica AT899