AFM3

カテゴリー:

AFM3

AFM3 is a Real Professional HALF INCH Measurement Microphone which meets IEC651 Type 1 standards. With its preamp and capsule combination, its high speed and high precision performance are very suitable for transducer measurements in research, development and manufacturing.

Features

  • Allows a use of long, inexpensive, coaxial cables
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  • Low noise and high dynamic range
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  • High sensitivity and frequency response stability
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  • Can operate in a wide range of environmental conditions
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  • For high fidelity, professional use
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  • Fine grained nickel foil Cu alloy
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  • Meet the spec. IEC651 Type 1
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  • Preamplifier comparable with B&K type 2699
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  • Capsule compare with B&K type 4190
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  • Application Its high speed and high precision performance are very suitable used for sound level meter, transport-noise measurement, architectural acoustics, electro-acoustics etc.
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    Specifications

  • PREAMPLIFIER Frequency:
    		•  1Hz~200 KHz
  • Input Impedance:
    		•  >1000MΩ
  • Output Impedance:
    		•  50Ω (unbalanced)
  • Load:
    		•  >10KΩ
  • Gain:
    		•  0dB±0.5dB
  • Noise:
    		•  <3.5μV (short circuit 1000pF)
  • Maximum output:
    		•  5Vrms
  • Input:
    		•  ø11.7mm, 60 UNS
  • Output:
    		•  BNC connector
  • Dimension:
    		•  ø13.2 x ø12.7 x 16mm
  • Weight:
    		•  8 grams
  • CAPSULE Elements:
    		•  Condenser Microphone
  • Frequency:
    		•  20Hz~20kHz
  • Sensitivity:
    		•  50mV/Pa (-26dB±2dB;1V/pa=0dB)
  • Equivalent Noise Level:
    		•  17dB (A)
  • Max. Sound Pressure Level:
    		•  146 dB (PEAK)
  • Polar Pattern:
    		•  Omnidirectional

    Diagrams

    Frequency Response
    Polar Pattern