377b02 microphone with a 426a13 short preamplifier

ICP Microphone System

Model 376B02

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  • CE
  • IP

377B02 microphone with a 426A13 short preamplifier

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (±2dB)3.75 to 20000 Hz
  • Inherent Noise: <18.5 dB re 20 µPa
  • Dynamic Range: >135 dB re 20 µPa

Specification Notes


[1] TEDS Capable Digital Communication, compliant with IEEE 1451.4
[2] re 250 Hz
[3] Typical.
[2] re 250 Hz
[4] Prepolarized
[3] Typical.
[5] Venting through Preamp.
[6] See PCB Declaration of Conformance PS076 for details.

English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Sensitivity (±1.5 dB) -26 dB re 1 V/Pa -26 dB re 1 V/Pa [2]
Sensitivity 50 mV/Pa 50 mV/Pa [2]
Frequency Range (±2 dB) 3.75 to 20000 Hz 3.75 to 20000 Hz
Frequency Range (±1 dB) 7 to 10000 Hz 7 to 10000 Hz
Lower Limiting Frequency (3) 1.0 to 3.0 Hz 1.0 to 3.0 Hz
Inherent Noise (Linear) <18.5 dB re 20 µPa <18.5 dB re 20 µPa
Inherent Noise <16.5 dB(A) re 20 µPa <16.5 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit) >135 dB re 20 µPa >135 dB re 20 µPa
TEDS Compliant Yes Yes [1]
Environmental
Temperature Range (Operating) -40 to +158 °F -40 to +70 °C
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) 0.005 dB/°F 0.009 dB/°C [3] [2]
Static Pressure Coefficient -0.013 dB/kPa -0.013 dB/kPa [3] [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 [3]
Electrical
Polarization Voltage 0 V 0 V [4]
Excitation Voltage 20 to 32 VDC 20 to 32 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Maximum Output Voltage ±8 Vpk ±8 Vpk
Output Impedance <50 Ohm <50 Ohm
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear [5]
Electrical Connector 10-32 Jack 10-32 Jack
Mounting Thread (Grid) 0.5 - 60 UNS 0.5 - 60 UNS
Size - Diameter (with grid) 0.52 in 13.2 mm
Size - Diameter (without grid) 0.50 in 12.7 mm
Size - Height (with grid) 1.85 in 47.0 mm
Size - Height (without grid) 1.81 in 46.0 mm
Weight 0.41 oz 11.6 gm [3]

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
ACS-63 Calibration for microphone/preamplifier with TEDS programming 1