Prepolarized Electret Measurement Microphones Datasheets

1/2" Prepolarized Low Noise Microphone -- 378A04
from PCB Piezotronics, Inc.

The 378A04 is a matched system comprised of a high sensitivity microphone and a low noise preamplifier that contains a built-in filter that enables the free-field response to remain flat over a wide frequency range. The system requires a minimum of 4 mA and measures to 5.5 dBA (typical) within a... [See More]

  • Polarization: Prepolarized Electret
  • Frequency Response: 10 to 20000
  • Sound Field: Free-Field
  • Dynamic Range: 80
High Intensity Acoustic Sensor -- 765M20
from Columbia Research Labs, Inc.

The Models 765M20 and 765M22 High Intensity Acoustic Sensors (Microphones) are designed for the measurement of gas-borne sound in industrial applications. These sensors have been constructed for use in corrosive environments that are compatible with the type 316 stainless steel diaphragm. The... [See More]

  • Polarization: Prepolarized Electret
  • Frequency Response: 2 to 8000
  • Sound Field: Pressure Field
  • Dynamic Range: ? to 191
Measurement Microphone -- M2010
from NTi Audio AG

The M2010 and M2015 are compact, high-performance measurement microphones dedicated to research, design lab, end-of-line testing and service with the Flexus FX100 Audio Analyzer. They are particularly suited for applications with restricted available space. Features: 1/2" Omni-directional,... [See More]

  • Polarization: Prepolarized Electret
  • Dynamic Range: 24 to 145
  • Frequency Response: 20 to 20000
  • Nominal Size: 1/2"