Sound calibrator

Typical applications and use

  • Microphone calibration
  • Microphone comparisons
GRAS 42AG Multifunction Sound Calibrator, Class 1

Sound pressure level: 94 dB or 114 dB
Frequency: 250 Hz or 1 kHz
ANSI: S1.40
IEC: 60942 class 1

GRAS 42AG Multifunction Sound Calibrator, Class 1

The GRAS 42AG Multifunction Sound Calibrator is a portable, battery-operated precision microphone calibrator. The calibrator can be used directly on 1" microphones. Adapters for calibrating 1/2" (factory mounted), 1/4" and 1/8" microphones are included.

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