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  • Writer's pictureSSPL

Prepolarized, Random Incidence 1/2" Microphone And Preamplifier

Model 377A21 (cartridge) and Model 378A21 (cartridge and preamplifier system) are used in diffuse field applications and measure the entire human audible range and beyond. Accurate response is provided where high frequencies need to be measured precisely.

  • Ideal for aircraft and auto cabin noise measurements

  • Industry first 4Hz - 25kHz 1/2" random incidence microphone

  • Wide dynamic range - 22dBa to 150dB


  • Cabin noise (automobile and aircraft)

  • Environmental noise

  • White goods testing

  • Room acoustics

  • General, mid to high, amplitude noise measurements

  • General, mid to high, frequency measurements

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