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GRAS Preamplifiers

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  • Comprehensive selection
  • Constant Voltage
  • Contstant Current (IEPE)
  • 1/4" and 1/2"

G.R.A.S. Sound & Vibration offers the most comprehensive selection of microphones and preamplifiers in the industry.  The attachement below  GRAS Microphone and Preamplifier Selection Guide may be helpful in understanding the fundamental characteristics and differences of the different types of microphones and preamplifiers.
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