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Audio-technica-at831b.3249842
8.4 out of 10

Audio-Technica AT831b

Clip-on lavalier mic also excels in acoustic guitar applicatio Read more

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Specifications

Feature
Value
Comment
ELEMENT
Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN
Cardioid
FREQUENCY RESPONSE
40-18,000 Hz
LOW FREQUENCY ROLL-OFF
80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY
Phantom: -44 dB (6.3 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)
0.1 oz (2.8 g)
WEIGHT (POWER MODULE)
4.9 oz (139 g)
DIMENSIONS (MICROPHONE)
0.98" (25.0 mm) long, 0.40" (10.2 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
Clothing clip; AT8444 instrument adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case
AUDIO-TECHNICA CASE STYLE
M1
Release Date
First seen
10 September 2007