GRAS 67AX
ø400 mm CCP Ground Array Microphone Kit

The 67AX is a ground array microphone kit designed for the aerospace industry, i.e. for measurement of noise from overhead aircraft.

The microphone set is designed to sit asymmetrically in the mounting to attain a more uniform frequency response for measurements.

GRAS 67AX ø400 mm CCP Ground Array Microphone Kit

Typical applications and use

  • Ground array measurements
  • General noise measurements
  • Ideal for the aerospace industry

Design

The 67AX is a ground array microphone kit designed for the aerospace industry, i.e. for measurement of noise from overhead aircraft.

The microphone set is designed to sit asymmetrically in the mounting to attain a more uniform frequency response for measurements.

The GRAS 47AX microphone is a IEC 61094 1/2” CCP Flush-mount Microphone Set with a dynamic range from 22 dB to 150 dB and a frequency range from 3.15 Hz to 20 kHz. Its height of only 8 mm (to the diaphragm) is the ideal match for the design of the 67AX. The built-in preamplifier is a low noise constant current power (CCP) type, with a built-in TEDS circuit for automatic transducer identification.

GRAS 67AX ø400 mm CCP Ground Array Microphone Kit

GRAS 67AX ø400 mm CCP Ground Array Microphone Kit datasheet

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