Microphone calibration systems - Brüel & Kjær Sound & Vibration

TYPE 9721-A

Microphone Secondary Calibration System
Designed for calibration of working standard microphones and other types of microphone.
TYPE 9719

Microphone High-pressure Calibration System
Designed for the level linearity and harmonic distortion of measurement microphones and pressure sensors.
TYPE 9757

Low Frequency Calibration System
Designed for the low-frequency frequency response of measurement microphones and other types of microphone.
TYPE 9721-B

Microphone Phase Match Calibration System
Designed for phase match, amplitude match and pressure-residual intensity index measurement of sound intensity microphone pairs.
TYPE 9699

Microphone Primary Calibration System
Designed for calibration of laboratory standard microphones.