Audio Technica AT857QMA Gooseneck Miniature Microphone
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Audio Technica AT857QMA Gooseneck Miniature Microphone

The Audio Technica AT857QMa is a wide-range condenser microphone designed for quality sound reinforcement, professional recording, television, and other demanding sound pickup applications. A 3-pin male connector insert at the base allows the AT857QMa to be plugged directly into a 3-pin panel jack connector or a standard microphone cable. With an overall height of 14.51 inches, its small diameter alternating gooseneck design permits highly flexible positioning while maintaining a smooth, well-contoured appearance. An external 9V to 52V DC source is required to power the unit.

Audio Technica AT857QMa Gooseneck Microphone Features
  • Designed for high-quality sound reinforcement, professional recording and broadcasting
  • Extended frequency response and uniform cardioid (120º) polar pattern
  • Small-diameter, alternating gooseneck design permits highly flexible positioning
  • Plugs into any standard XLRF-type surface or cable connector
  • Overall length of 14.51 inches (368.6 mm)
A flat-response/ low-roll-off switch is built into the integral power module of the microphone. The low-roll-off feature attenuates low-frequency response to compensate for proximity effect if the unit is used very close. Low roll-off can also be used to minimize background ambiance, air conditioning rumble, mechanical noise, etc., improving the quality of sound pickup under difficult conditions.

The microphone element is enclosed in a rugged housing with a low-reflectance black finish.

The provided AT8102 two-stage foam windscreen simply slips over the head of the microphone, effectively reducing wind noise or popping when used extra close.
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Audio Technica AT857QMA Gooseneck Microphone Specifications

  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern:  Cardioid
  • Frequency Response:  30-20,000 Hz
  • Low Frequency Roll-Off:  150 Hz, 6 dB/octave
  • Open Circuit Sensitivity:  -43 dB (7.0 mV) re 1V at 1 Pa
  • Impedance:  200 ohms
  • Maximum Input Sound Level:  139 dB SPL, 1 kHz at 1% T.H.D.
  • Dynamic Range (typical): 112 dB, 1 kHz at Max SPL
  • Signal to Noise Ratio:  67 dB, 1 kHz at 1 Pa
  • Phantom Power Requirements:  9-52V DC, 2 mA typical
  • Switch:  Flat, roll-off
  • Weight:  4.2 oz (120 g)
  • Dimensions: 
    • 14.51 inches (368.6 mm) long
    • 0.47 inches (12.0 mm) head diameter
    • 0.98 inches (25.0 mm) base diameter
  • Output Connector:  Integral 3-pin XLRM-type
  • Accessory Furnished:  AT8102 two-stage foam windscreen


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