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
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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
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
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