Model: 377C13

$790.00 USD
(Pricing valid in US only)

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1/2" pressure, prepolarized condenser microphone, 12.6 mV/Pa (+/-2 dB), 3.2 Hz to 20 kHz (+/-2 dB), 4Hz to 12.5 kHz (+/-1 dB)

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Pressure
  • Frequency Range: (±2dB) 3.15 to 20000 Hz
  • Dynamic Range: 162 dB re 20 µPa

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Nominal Microphone Diameter1/2"1/2" 
Frequency Response CharacteristicPressurePressure 
Open Circuit Sensitivity12.6 mV/Pa12.6 mV/Pa[2] 
Open Circuit Sensitivity (±2 dB)-38.0 dB re 1 V/Pa-38.0 dB re 1 V/Pa[2] 
Frequency Range (±2 dB)3.15 to 20000 Hz3.15 to 20000 Hz 
Frequency Range (±1 dB)4 to 12500 Hz4 to 12500 Hz 
Lower Limiting Frequency (-3 dB)1.0 to 2.4 Hz1.0 to 2.4 Hz 
Resonant Frequency (90° Phase Shift)19000 Hz19000 Hz[1] 
Inherent Noise18 dB(A) re 20 µPa18 dB(A) re 20 µPa[1] 
Dynamic Range (3% Distortion Limit)162 dB re 20 µPa162 dB re 20 µPa[1] 
Standards Designation (IEC 61094-4)WS2PWS2P 
Temperature Range (Operating)-40 to +248 °F-40 to +120 °C 
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C))0.004 dB/°F0.008 dB/°C[1][2] 
Static Pressure Coefficient-0.006 dB/kPa-0.006 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 dB re 20 µPa66 dB re 20 µPa[1] 
Capacitance (Polarized)14 pF14 pF[1] 
Polarization Voltage0 V0 V[3] 
Housing MaterialStainless AlloyStainless Alloy 
Mounting Thread0.4606 - 60 UNS11.7 mm - 60 UNS 
Mounting Thread0.5 - 60 UNS12.7 mm - 60 UNS 
Size - Diameter (with grid)0.52 in13.2 mm 
Size - Diameter (without grid)0.5 in12.7 mm 
Size - Height (with grid)0.48 in12.3 mm 
Size - Height (without grid)0.46 in11.8 mm 
Weight0.23 oz6.5 gm[1] 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Typical.
[2] re 250 Hz
[3] Prepolarized
[4] See PCB Declaration of Conformance PS167 for details.
ACS-20Calibration of Precision Condensor Microphones(1)
Optional Versions:
No optional versions
Product Documents
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