½" Free-field microphone Type 40AN - Low-frequency

 
The Type 40AN is a high-sensivity free-field microphone similar to the Type 40AF except for its lower-limiting frequency which is below 1 Hz and makes it suitable for infra-sound measurements.
 
Download PDF Data Sheet: pd_40AN_ver_13_09_02.PDF
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Specifications Type 40AN
Sensitivity

50 mV/Pa

Frequency range

1 Hz - 20 kHz

Dynamic range

15 dB - 146 dB re. 20µPa

Polarisation voltage

200 V

Outside diameter (with protection grid)

13.2 mm

Length (with and

16.2 mm

without protection grid)

15.3 mm

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Array Microphone Type 40PQ
Environmental Microphone Type 41AL
¼" Free-field microphone Type 40BF - High-level
½" Free-field microphone Type 40AC - Wide-frequency
½" Free-field microphone Type 40AE - Prepolarised
½" Free-field microphone Type 40AF - High-sensitivity
½" Free-field microphone Type 40AN - Low-frequency
¼" Free-field microphone Type 40BE - Prepolarised, High-level
1" Low-noise Level Microphone System - Type 40HF
¼" Preamplifiers 26AA, AB, AC, AL, AN and TC - Type 26A+ Series
¼" CCP Preamplifier - Type 26CB
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½" CCP Preamplifier - Type 26CA
½" Preamplifiers 26AG, AH, AJ, AK, AM and TK - Type 26A+ Series
Constant voltage
Intensity Power Module - Type 12AB
Power Module - Type 12AD
Power Module - Type 12AG
Power Module - Type 12AK
Power Module - Type 12AN
Power Module - Type 12AA
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Outdoor Microphone for 0° incidence - Type 41AM
Outdoor Microphone for 90° incidence - Type 41CN
¼" Pressure microphone Type 40BD - Prepolarised, High-level
¼" Pressure microphone Type 40BP - High level
¼" Pressure microphone Type 40BH - Very high level
½" Pressure microphone Type 40AD - Prepolarised
½" Pressure microphone Type 40AG - High frequency
½" Pressure microphone Type 40AP - High sensitivity
½" Pressure microphone Type 40AO - Prepolarised, Wide frequency
1" Pressure microphone Type 40EN
1/8" Pressure microphone Type 40DP, High level, High frequency
CCP Probe microphone Type 40SC
Probe microphone Type 40SA
½" Random-incidence microphone - Type 40AR
½" Random-incidence microphone Type 40AQ - Prepolarised
Intensity-microphone calibrator Type 51AB
¼" Intensity-microphone pair Type 40BI
½" Sound-intensity microphone pairs Type 40AI/40AK
X-Y-Z Intensity probe Type 50VX
Sound calibrator Type 42AB
Actuator supply Type 14AA
Pistonphone Type 42AA
Pistonphone Type 42AD
Pistonphone Type 42AC
Artificial ear Type 43AD
NBS 9-A coupler RA0075
IEC 318 ear simulator RA0039
IEC 711 ear simulator RA0045
Mouth simulator Type 44AA
Acoustic transducers
Acoustic transducer Type 21SB
Acoustic transducer Type 21SP
Input module Type AC0014
Hydrophone Type 10CA
Hydrophone Type 10CT
Hydrophone Type 10CC
Hydrophone Type 10CD
Hydrophone Type 10CE
Hydrophone Type 10CF
Hydrophone Type 10CH
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Voltage preamplifier Type 12CA
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½" Pressure microphone Type 40AU - Laboratory standard
½" Low-noise Level Microphone System - Type 40HH
1" Pressure microphone Type 40EU - Laboratory standard
Technical notes
TEDS - plug and play
¼" TEDS microphones