Model : 378C01 | ICP Microphone System

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Lead Time for 11-20 is 7 Wks
Lead Time for 21-30 is 8 Wks
1/4 free-field, prepolarized 377c01 microphone and 426b03 preamplifier. teds programmed
$ 1,465.00 USD
(Pricing valid in US only!)

1/4" free-field, prepolarized 377C01 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.
377C01
426B03

  • Nominal Microphone Diameter: 1/4"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (+2 / -3dB)4 to 100000 Hz
  • Dynamic Range: 165 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/4" 1/4"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Sensitivity (±3 dB) -54 dB re 1 V/Pa -54 dB re 1 V/Pa [ 3]
Sensitivity 2.0 mV/Pa 2.0 mV/Pa [ 3]
Frequency Range (+2 / -3 dB) 4 to 100000 Hz 4 to 100000 Hz
Frequency Range (±2 dB) 5 to 80000 Hz 5 to 80000 Hz
Frequency Range (±1 dB) 7 to 12500 Hz 7 to 12500 Hz
Lower Limiting Frequency (3) 0.75 to 4.0 Hz 0.75 to 4.0 Hz
Inherent Noise 42 dB(A) re 20 µPa 42 dB(A) re 20 µPa [ 1] [ 4]
Dynamic Range (3% Distortion Limit) 165 dB re 20 µPa 165 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)) 0.003 dB/°F 0.006 dB/°C [ 1] [ 3]
Static Pressure Coefficient -0.009 dB/kPa -0.009 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)) 60 dB re 20 µPa 60 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 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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