Element
Fixed-charge back plate permanently polarized
condenser
Polar Pattern
Omnidirectional in hemisphere above mounting surface
Frequency Response
30-20,000 Hz -
LOW FREQUENCY ROLL-OFF
80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY
Phantom: –39 dB (11.2 mV) re 1V at 1 Pa
Battery: –40 dB (10.0 mV) re 1V at 1 Pa
Impedance
Phantom: 200 ohms
Battery: 270 ohms
Maximum Input Sound Level
Phantom: 132 dB, 1 kHz at 1% T.H.D.
Battery: 122 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range (typical)
Phantom: 111 dB, 1 kHz at Max SPL
Battery: 101 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio
73 dB, 1 kHz at 1 Pa
Phantom Power Requirements
11-52V DC, 2 mA typical |
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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)
2.8 oz (78 g)
Weight (Power Module)
4.9 oz (139 g)
Dimensions (Microphone)
2.56" (65.0 mm) diameter,
0.59" (15.1 mm) height
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
25.0' (7.6 m) long (permanently attached to microphone),
0.13" (3.2 mm) diameter, 2-conductor, shielded
cable with TA3F-type connector
Accessories
AT8531 power module; battery; soft protective
pouch
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