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Microphones, Preamplifiers, Calibrators

146AE Rugged Automotive Microphone

  • Shock & Drop Resistant
  • Water, Oil and Dustproof (IP67 Rated)
  • High Temperature (250F)
  • Replaceable Filter in Gridcap
  • Power On Indicator
  • Repairable Diaphragm
Attachments:
Download this file (146AE_Brochure.pdf)GRAS 146AE Brochure[pdf]5949 kB

GRAS 42AG Calibrator

  • 94 or 114 dB
  • 250 Hz or 1 KHz
  • IEC: 60942 class 1
  • ANSI: S1.40
  • Fits 1", 1/2", 1/4", 1/8" mics

Rion NC-74 Sound Calibrator

  • 94 dB ± 0.3 dB
  • 1 KHz ± 2%
  • Class 1
  • Fits 1" and 1/2" Microphones
  • Automatic Atmospheric Pressure Compensation
Attachments:
Download this file (NC-74_Datasheet_0510-1 (1).pdf)Rion NC-74 Sound Calibrator[Datasheet]159 kB

gras preamplifiers

  • Comprehensive selection
  • Constant Voltage
  • Contstant Current (IEPE)
  • 1/4" and 1/2"
Attachments:
Access this URL (/attachments/article/15/GRAS_Selection_Guide_Mics_Preamps_July_2011.pdf)GRAS_Selection_Guide_Mics_Preamps_July_2011.pdf[Explains various microphone designs and preamplifier powering methods.]0 kB

gras microphones

  • Comprehensive selection
  • Polarized and pre-polarized
  • Array
  • Outdoor
  • Surface Mics
Attachments:
Download this file (GRAS_Selection_Guide_Mics_Preamps_July_2011.pdf)GRAS Microphone and Preamplifier Selection Guide[Explains various microphone designs and preamplifier powering methods.]1438 kB

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