Model : 377B11 | Precision Condenser Microphone

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$ 790.00 USD
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1/2" pressure, prepolarized condenser microphone typical sensitivity= 50 mV/Pa (+/-1.5 dB), 3.15 Hz to 10 kHz (+/-2 dB).

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Pressure
  • Frequency Range: (±2dB)3.15 to 10000 Hz
  • Inherent Noise: 14 dB(A) re 20 µPa
  • Dynamic Range: 146 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic Pressure Pressure
Open Circuit Sensitivity (±1.5 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) 3.15 to 10000 Hz 3.15 to 10000 Hz
Frequency Range (±1 dB) 5 to 7500 Hz 5 to 7500 Hz
Lower Limiting Frequency (-3 dB) 1.0 to 2.4 Hz 1.0 to 2.4 Hz
Resonant Frequency (90° Phase Shift) 12000 Hz 12000 Hz [1]
Inherent Noise 14 dB(A) re 20 µPa 14 dB(A) re 20 µPa [1]
Dynamic Range (3% Distortion Limit) 146 dB re 20 µPa 146 dB re 20 µPa [1]
Environmental
Temperature Range (Operating) -40 to +248 °F -40 to +120 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) 0.005 dB/°F 0.009 dB/°C [1] [2]
Static Pressure Coefficient -0.01 dB/kPa -0.01 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)) 63 dB re 20 µPa 63 dB re 20 µPa [1]
Electrical
Capacitance (Polarized) 11 pF 11 pF [1]
Polarization Voltage 0 V 0 V [3]
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Mounting Thread 0.4606 - 60 UNS 11.7 mm - 60 UNS
Mounting Thread 0.5 - 60 UNS 12.7 mm - 60 UNS
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 16.2 mm
Size - Height (without grid) 0.6 in 15.3 mm
Weight 0.28 oz 7.8 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
[1] Typical.
[3] Prepolarized
[1] Typical.
[4] See PCB Declaration of Conformance PS167 for details.


Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1


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