Model : 378C20 | ICP MICROPHONE SYSTEM

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Lead Time for 1-10 is 5 Wks
Lead Time for 11-20 is 7 Wks
1/2 prepolarized random-incidence condenser microphone, 50 mv/pa (+/-1.5 db), with 1/2 icp® preamplifier
$ 1,320.00 USD
(Pricing valid in US only!)

1/2" prepolarized random-incidence condenser microphone, 50 mV/Pa (+/-1.5 dB), with 1/2" ICP® preamplifier

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Random Incidence
  • Frequency Range: (±2dB)3.75 to 16000 Hz
  • Dynamic Range: 137 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic Random Incidence Random Incidence
Sensitivity (±1.5 dB) -26 dB re 1 V/Pa -26 dB re 1 V/Pa [ 3]
Sensitivity 50 mV/Pa 50 mV/Pa [ 3]
Frequency Range (±2 dB) 3.75 to 16000 Hz 3.75 to 16000 Hz
Frequency Range (±1 dB) 7 to 6300 Hz 7 to 6300 Hz
Lower Limiting Frequency (3) 1.0 to 3.0 Hz 1.0 to 3.0
Inherent Noise 16 dB(A) re 20 µPa 16 dB(A) re 20 µPa [ 1]
Dynamic Range (3% Distortion Limit) 137 dB re 20 µPa 137 dB re 20 µPa [ 1]
TEDS Compliant Yes Yes [ 2]
Environmental
Temperature Range (Operating) -40 to +176 °F -40 to +80 °C
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) 0.005 dB/°F 0.009 dB/°C [ 1] [ 3]
Static Pressure Coefficient -0.01 dB/kPa -0.01 dB/kPa [ 1] [ 3]
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) ±0.001 dB/%RH ±0.001 dB/%RH [ 3]
Influence of Axial Vibration (0.1g (1 m/s²)) 63 dB re 20 µPa 63 dB re 20 µPa [ 1]
Electrical
Polarization Voltage 0 V 0 V [ 4]
Excitation Voltage 20 to 30 VDC 20 to 30 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 ±7 Vpk ±7 Vpk
Output Impedance <50 Ohm <50 Ohm
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear [ 5]
Electrical Connector BNC Jack BNC 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) 3.62 in 91.9 mm
Size - Height (without grid) 3.58 in 90.9 mm
Weight 1.63 oz 45.8 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
[ 1] Typical.
[ 3] re 250 Hz
[ 4] Prepolarized
[ 1] Typical.
[ 5] Venting through Preamp.
[ 6] See PCB Declaration of Conformance PS064 for details.


Accessories


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


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