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Click to enlargeThe Type 40AU is a laboratory-standard microphone which can be used, for example, in couplers, ear simulators, enclosures and at boundaries. It is an externally polarised pressure microphone with a large dynamic range and an extended frequency response.

This microphone is capable of measuring sound pressure levels up to 160 dB re. 20µPa.

Download PDF Data Sheet: pd_40AU_ver_17_09_04.PDF

Related Products:

Type 40AD
Type 40AG
Type 40AO
Type 40AP
Type 40BD
Type 40BH
Type 40BP
Type 40DD
Type 40DP
Type 40EN
Type 40EU

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Specifications Type 40AU (LS2aP)

Sensitivity:

12.5 mV/Pa

Dynamic range:

27 - 160 dB re. 20µPa

Frequency range:

3.15 Hz - 20 kHz

Polarisation voltage:

200 V

Outside diameter (front:

13.2 mm

and back):

12.7 mm

Length: (with and

12.5 mm

without protection grid):

11.6 mm

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Updated 6. december 2006

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