1/4 free-field, prepolarized condenser microphone, typical sensitivity= 2 mv/pa (±3 db), 5.4 hz to 80 khz (± 2 db).

Precision Condenser Microphone

Model 377C01

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  • CE
  • IP

1/4" free-field, prepolarized condenser microphone, typical sensitivity= 2 mV/Pa (±3 dB), 5.4 Hz to 80 kHz (± 2 dB).

  • Nominal Microphone Diameter: 1/4"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (+2 / -3dB)3 to 100000 Hz (3 to 100000 Hz)
  • Inherent Noise: <35 dB(A) re 20 µPa
  • Dynamic Range: (3% Distortion Limit)166 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 1/4" 1/4"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Open Circuit Sensitivity (±3 dB) -54 dB re 1 V/Pa -54 dB re 1 V/Pa [2]
Open Circuit Sensitivity 2.0 mV/Pa 2.0 mV/Pa [2]
Frequency Range (+2 / -3 dB) 3 to 100000 Hz 3 to 100000 Hz
Frequency Range (±2 dB) 4 to 80000 Hz 4 to 80000 Hz
Frequency Range (±1 dB) 6 to 12500 Hz 6 to 12500 Hz
Lower Limiting Frequency (-3 dB) 0.25 to 3.0 Hz 0.25 to 3.0 Hz
Resonant Frequency (90° Phase Shift) 62 kHz 62 kHz [1]
Inherent Noise <35 dB(A) re 20 µPa <35 dB(A) re 20 µPa
Dynamic Range(3% Distortion Limit) 166 dB re 20 µPa 166 dB re 20 µPa [1]
Standards Designation (IEC 61094-4) WS3F WS3F
Environmental
Temperature Range (Operating) -40 to +248 °F -40 to +120 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) 0.003 dB/°F 0.006 dB/°C [1] [2]
Static Pressure Coefficient -0.009 dB/kPa -0.009 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)) 60 dB re 20 µPa 60 dB re 20 µPa [1]
Electrical
Capacitance (Polarized) 4.5 pF 4.5 pF [1]
Polarization Voltage 0 V 0 V [3]
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Mounting Thread 0.2244 - 60 UNS 5.7 mm - 60 UNS
Mounting Thread 0.25 - 60 UNS 6.35 mm - 60 UNS
Size - Diameter (with grid) 0.28 in 7.0 mm
Size - Diameter (without grid) 0.25 in 6.4 mm
Size - Height (with grid) 0.41 in 10.5 mm
Size - Height (without grid) 0.36 in 9.1 mm
Weight 0.06 oz 1.8 gm [1]

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1

Product Videos


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