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Audio Technica AT831B
Audio Technica AT831B Description:
Clips on to provide crisp, full-sounding voice or instrument pickup. Operates on battery or phantom power. 6' cable to power module. Cardioid pattern. 40Hz - 20kHz frequency response. On/off and roll-off switch.
Audio Technica AT831B Features:
Clip-on lavalier mic also excels in acoustic guitar applications
Provides crisp, full-sounding voice and instrument pickup
Operates on battery or phantom power
6' cable permanently attached between mic and power module
Cardioid polar pattern
40Hz-20kHz frequency response
Open circuit sensitivity: -44dB (phantom), -45dB (battery)
Low frequency roll-off: 80Hz, 18dB per octave
Signal to noise ratio: 65dB, 1kHz at 1 Pa
Includes foam windscreen, clothing clip, instrument adapter, power module, battery, and protective case
Audio Technica AT831B Specifications:
ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Cardioid
FREQUENCY RESPONSE 40-20,000 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: -45 dB (5.6 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 AT8417 clothing clip; AT8444 instrument adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case
He wasn't a great father. He was a great musician. That's always been a touchy one, and it will be until I can find the answer, but I don't know if there is one. Julian Lennon
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Page updated: Sunday, November 4, 2007. E.&O.E.
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