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2683

Dual Preamp for Sound Intensity Probes

Dual Preamplifier for sound intensity probes

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Dual Preamp for Sound Intensity Probes

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Designed to allow calibration of ½" and 1" condenser microphones by the insert voltage technique, either in conjunction with the reciprocity method or with a known sound source. The insert calibration facility is used for reciprocity and insert voltage calibration of condenser microphones in accordance with IEC 1094 – 1: 1992 and ANSI S1.10.

  • Insert voltage calibration of condenser microphones for open-circuit voltage determination
  • Calibration of condenser microphones with respect to reciprocity calibration methods
  • General sound measurements in connection with Brüel & Kjær condenser microphones
Key attributes for Microphone Pre Amplifier
Polarization Classical
Lower frequency 250 Hz
Higher frequency 10 kHz
Diameter 1/2 inch
Minimum Temperature -20 °C
Maximum Temperature 60 °C
Minimum Temperature -4 °F
Maximum Temperature 140 °F
Connector Lemo 7-pin
Calibration facility CIC