Type 67AX

Type 67AX
The 67AX is a CCP Ground Array Microphone Kit that consists of a ½" IEC 61094 precision, prepolarized pressure microphone, an integrated CCP1 preamplifier with built-in TEDS2, and a 400 mm diameter mounting plate.
The microphone sits asymmetrically in the mounting plate to attain a more uniform frequency response for measurements. Typical applications for the 67AX include ground array measurements and general noise measurements. The 67AX is ideal for the aerospace industry.
Specifications Type 67AX
Specifications Type 67AX
Nominal sensitivity:
12.5 mV/Pa at 250 Hz
Dynamic range (upper limit):
146 dB re. 20μPa (3% distortion)
Dynamic range (lower limit):
22 dB(A) re. 20μPa (thermal noise)
Frequency response:
5 Hz - 12.5 kHz (±1 dB)
3.15 Hz - 20 kHz (±2 dB)
Output connector:
Coaxial Microdot
Temperature Range:
-30 °C to +70 °C
Output cable:
Integrated with coaxial Microdot connector,
plus an adapter for BNC cable
Cable length: 1.5 m
9.20 mm (with grid)
8 mm (without grid)
13.5 mm (microphone)
18.2 mm (preamplifier)
400 mm (mounting plate)
15 g (microphone only)
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