1 in prepolarized pressure microphone

Precision Condenser Microphone

Model 377A15

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  • CE
  • IP

1 in prepolarized pressure microphone

  • Nominal Microphone Diameter: 1"
  • Frequency Response Characteristic: Pressure
  • Frequency Range: (+/-2dB)5 to 8000 Hz
  • Inherent Noise: 10 dB(A) re 20 µPa
  • Dynamic Range: >150 dB re 20 µPa

Specification Notes


[1] Typical.
[2] re 250 Hz
[1] Typical.
[2] re 250 Hz
[1] Typical.
[3] Prepolarized
[1] Typical.
[4] See PCB Declaration of Conformance PS167 for details.

English: SI:
Performance
Nominal Microphone Diameter 1" 1"
Frequency Response Characteristic Pressure Pressure
Open Circuit Sensitivity (+/-2 dB) -26 dB re 1 V/Pa -26 dB re 1 V/Pa [2]
Open Circuit Sensitivity 50 mV/Pa 50 mV/Pa [2]
Frequency Range (+/-2 dB) 5 to 8000 Hz 5 to 8000 Hz
Lower Limiting Frequency 1 to 3 Hz 1 to 3 Hz
Resonant Frequency (90° Phase Shift) 8600 Hz 8600 Hz [1]
Inherent Noise 10 dB(A) re 20 µPa 10 dB(A) re 20 µPa [1]
Inherent Noise <11.5 dB(A) re 20 µPa <11.5 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit) >150 dB re 20 µPa >150 dB re 20 µPa
Standards Designation (IEC 61094-4) WS1P WS1P
Environmental
Temperature Range (Operating) -40 to +248 °F -40 to +120 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) +0.006 dB/°F +0.01 dB/°C [1] [2]
Static Pressure Coefficient -0.012 dB/kPa -0.012 dB/kPa [1] [2]
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) +/-0.001 dB/%RH +/-0.001 dB/%RH [2]
Influence of Axial Vibration (0.1g (1 m/s²)) 66.5 dB re 20 µPa 66.5 dB re 20 µPa [1]
Electrical
Capacitance 45 pF 45 pF [1]
Polarization Voltage 0 V 0 V [3]
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Mounting Thread (Preamplifier) 0.9098-60 UNS 23.11mm-60 UNS
Mounting Thread (Grid) 0.9098-60 UNS 23.11mm-60 UNS
Size - Diameter (with grid) 0.936 in 23.77 mm
Size - Diameter (without grid) 0.936 in 23.77 mm
Size - Height (with grid) 0.748 in 19 mm
Size - Height (without grid) 0.668 in 17 mm
Weight 1.08 oz 30.6 gm [1]

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1

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