Low frequency calibrator

Typical applications and use

  • Low-frequency pressure response measurements
  • Low-frequency phase response measurements
  • Comparative measurements
  • Single and dual-channel measurements
GRAS 42AE Low Frequency Calibrator

Sound pressure level: 140 dB
Freq range: 0.01 to 250 Hz

GRAS 42AE Low Frequency Calibrator

The GRAS 42AE Low-Frequency Calibrator permits microphone calibration at frequencies down to 0.01 Hz for both front and rear-vented microphones. It produces a constant sound pressure level down to very low frequencies...