Model : 377C41 | Precision Condenser Microphone

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1/2" condenser microphone, free-field, 200 V Polarization

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (±2dB)3.15 to 20000 Hz
  • Dynamic Range: >146 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Open Circuit Sensitivity (±(1.2 dB)(at 250 Hz) ) -27 dB re 1 V/Pa -27 dB re 1 V/Pa [2]
Open Circuit Sensitivity (at 250 Hz) 44.5 mV/Pa 44.5 mV/Pa [2]
Frequency Range (±2 dB) 3.15 to 20000 Hz 3.15 to 20000 Hz
Lower Limiting Frequency (-3 dB) 1.0 to 2.4 Hz 1.0 to 2.4 Hz
Resonant Frequency (90° Phase Shift) 14000 Hz 14000 Hz [1]
Dynamic Range (3% Distortion Limit) >146 dB re 20 µPa >146 dB re 20 µPa
Dynamic Range (Cartridge Thermal Noise) <15 dB(A) re 20 µPa <15 dB(A) re 20 µPa [1]
Standards Designation (IEC 61094-4) WS2F WS2F
Environmental
Temperature Range (Operating) -40 to +302 °F -40 to +150 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) 0.0033 dB/°F 0.006 dB/°C [1]
Static Pressure Coefficient -0.01 dB/kPa -0.01 dB/kPa [1]
Influence of Humidity (0 to 95%, non-condensing) -0.1 to 0.1 dB -0.1 to 0.1 dB
Influence of Axial Vibration (0.1g (1 m/s²)) 62 dB re 20 µPa 62 dB re 20 µPa [1]
Influence of Magnetic Field (60 Hz, 80 A/m) 0 dB re 20 µPa 0 dB re 20 µPa [1]
Long Term Stability (68°F (20°C)) >1000 years/dB >1000 years/dB
Electrical
Capacitance (Polarized) 15 pF 15 pF [1]
Polarization Voltage 200 V 200 V
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Equivalent Volume 0.0027 45 mm³ [1] [2]
Size - Diameter (with grid) 0.52 in 13.2 mm
Size - Diameter (without grid) 0.5 in 12.7 mm
Size - Height (with grid) 0.64 in 16.3 mm
Size - Height (without grid) 0.61 in 15.5 mm
Weight 0.32 oz 9 gm [1]
* All specifications are at room temperature unless otherwise specified
.


Specification Notes


[1] Typical.
[2] re 250 Hz
[1] Typical.
[2] re 250 Hz


Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1


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