Model : 378C10 | ICP Microphone System

Click for lead times
Lead Time for 1-10 is 5 Wks
Lead Time for 11-20 is 7 Wks
$ 1,375.00 USD
(Pricing valid in US only!)

1/4" pressure, prepolarized 377C10 microphone and 426B03 preamplifier. TEDS programmed

This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
377C10
426B03

  • Nominal Microphone Diameter: 1/4"
  • Frequency Response Characteristic: Pressure
  • Frequency Range: (±2dB)5 to 70000 Hz (5 to 70000 Hz)
  • Dynamic Range: 173 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/4" 1/4"
Frequency Response Characteristic Pressure Pressure
Sensitivity (±3 dB) -60 dB re 1 V/Pa -60 dB re 1 V/Pa [3]
Sensitivity 1.0 mV/Pa 1.0 mV/Pa [3]
Frequency Range (±2 dB) 5 to 70000 Hz 5 to 70000 Hz
Lower Limiting Frequency (-3 dB) 0.75 to 4.0 Hz 0.75 to 4.0 Hz
Inherent Noise 50 dB(A) re 20 µPa 50 dB(A) re 20 µPa [1] [4]
Dynamic Range (3% Distortion Limit) 173 dB re 20 µPa 173 dB re 20 µPa [1]
TEDS Compliant Yes Yes [2]
Environmental
Temperature Range (Operating) -40 to +176 °F -40 to +80 °C [5]
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) 0.004 dB/°F 0.007 dB/°C [1] [3]
Static Pressure Coefficient -0.003 dB/kPa -0.003 dB/kPa [1] [3]
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) ±0.0014 dB/%RH ±0.0014 dB/%RH [3]
Influence of Axial Vibration (0.1g (1 m/s²)) 66 dB re 20 µPa 66 dB re 20 µPa [1]
Electrical
Polarization Voltage 0 V 0 V [6]
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 [7]
Electrical Connector 10-32 Jack 10-32 Jack
Mounting Thread (Grid) 0.25 - 60 UNS 0.25 - 60 UNS
Size - Diameter (with grid) 0.28 in 7.1 mm
Size - Diameter (without grid) 0.25 in 6.35 mm
Size - Height (with grid) 2.07 in 52.6 mm
Size - Height (without grid) 2.02 in 51.3 mm
Weight 0.27 oz 7.8 gm [1]
* All specifications are at room temperature unless otherwise specified
.


Specification Notes


[1] Typical.
[2] TEDS Capable Digital Memory and Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[4] A-Weighted inherent noise is specified from 20 Hz - 20 kHz.
[1] Typical.
[3] re 250 Hz
[5] Limited to 70°C if ICP current >10mA
[6] Prepolarized
[1] Typical.
[7] Venting through Preamp.
[8] See PCB Declaration of Conformance PS167 and PS076 for details.


Accessories


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


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