AT815B LINE AND GRADIENT CONDENSER MICROPHONE (discontinued)

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AUDIO TECHNICA - AT815B LINE AND GRADIENT CONDENSER MICROPHONE - discontinued - click image for new model
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Designed for video production and broadcast (ENG/EFP) audio acquisition, the AT815b provides the narrow acceptance angle desirable for long-distance sound pickup, along with excellent sound rejection from the sides and rear of mic. The roll-off position reduces the pickup of low-frequency ambient noise (such as traffic, air-handling systems, etc.), room reverberation and mechanically coupled vibrations.




 SPECIFICATIONS

 
ELEMENT Fixed-charge back plate, permanently polarized condenser

POLAR PATTERN Line + gradient

FREQUENCY RESPONSE 30-20,000 Hz

LOW FREQUENCY ROLL-OFF 180 Hz, 12 dB/octave

OPEN CIRCUIT SENSITIVITY Phantom: -38 dB (12.5 mV) re 1V at 1 Pa
Battery: -39 dB (11.2 mV) re 1V at 1 Pa

IMPEDANCE Phantom: 500 ohms
Battery: 600 ohms

MAXIMUM INPUT SOUND LEVEL Phantom: 130 dB SPL, 1 kHz at 1% T.H.D.
Battery: 115 dB SPL, 1 kHz at 1% T.H.D.

DYNAMIC RANGE (typical) Phantom: 106 dB, 1 kHz at Max SPL
Battery: 91 dB, 1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO 70 dB, 1 kHz at 1 Pa

PHANTOM POWER REQUIREMENTS 9-52V DC, 2 mA typical

BATTERY TYPE 1.5V AA/UM3

BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical

SWITCH Flat, roll-off (recessed)

WEIGHT 7.1 oz (200 g)

DIMENSIONS 18.11" (460.0 mm) long,
0.83" (21.0 mm) diameter

OUTPUT CONNECTOR Integral 3-pin XLRM-type

ACCESSORIES FURNISHED AT8405a stand clamp for 5/8"-27 threaded stands; AT8135 windscreen; battery; protective carrying case

AUDIO-TECHNICA CASE STYLE SG3



 SPECIFICATION GRAPHS

 
Click on the chart to view the larger image
  POLAR PATTERN POLAR PATTERN
  FREQUENCY RESPONSE FREQUENCY RESPONSE

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