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Model: 378B11

$1,120.00 USD
(Pricing valid in US only)


1/2-inch pressure, prepolarized microphone and preamplifier, TEDS programmed

This model includes a 1/2" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
377B11
426E01

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Pressure
  • Frequency Range: (±2dB) 3.75 to 10000 Hz (3.75 to 10000 Hz)
  • Dynamic Range: 137 dB re 20 µPa

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 English:SI: 
Performance
Nominal Microphone Diameter1/2"1/2" 
Frequency Response CharacteristicPressurePressure 
Sensitivity50 mV/Pa50 mV/Pa[3] 
Sensitivity (±1.5 dB)-26 dB re 1 V/Pa-26 dB re 1 V/Pa[3] 
Frequency Range (±2 dB)3.75 to 10000 Hz3.75 to 10000 Hz 
Frequency Range (±1 dB)7.0 to 7500 Hz7.0 to 7500 Hz 
Lower Limiting Frequency (-3 dB)1.0 to 3.0 Hz1.0 to 3.0 Hz 
Inherent Noise16 dB(A) re 20 µPa16 dB(A) re 20 µPa[1] 
Dynamic Range (3% Distortion Limit)137 dB re 20 µPa137 dB re 20 µPa[1] 
TEDS CompliantYesYes[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/°F0.009 dB/°C[3][1] 
Static Pressure Coefficient-0.01 dB/kPa-0.01 dB/kPa[3][1] 
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 µPa63 dB re 20 µPa[1] 
Electrical
Polarization Voltage0 V0 V[4] 
Excitation Voltage20 to 30 VDC20 to 30 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Bias Voltage10 to 14 VDC10 to 14 VDC 
Maximum Output Voltage±7 Vpk±7 Vpk 
Output Impedance<50 Ohm<50 Ohm 
Physical
Housing MaterialStainless AlloyStainless Alloy 
VentingRearRear[5] 
Electrical ConnectorBNC JackBNC Jack 
Mounting Thread (Preamplifier)0.5 - 60 UNS0.5 - 60 UNS 
Size - Diameter (with grid).52 in13.2 mm 
Size - Diameter (without grid).50 in12.7 mm 
Size - Height (with grid)3.62 in91.9 mm 
Size - Height (without grid)3.58 in90.9 mm 
Weight1.63 oz45.8 gm[1] 

All specifications are at room temperature unless otherwise specified.


CE

Product Notes
[1] Typical.
[2] TEDS Capable Digital Communication, compliant with IEEE 1451.4
[3] re 250 Hz
[4] Prepolarized
[5] Venting through Preamp.
[6] See PCB Declaration of Conformance PS064 for details.
Accessories:
Supplied
ACS-63Calibration (with TEDS) of Precision Condenser Microphones and Preamplifiers together (mated pair).(1)
Optional Versions:
No optional versions
Product Documents
Additional Downloads
Microphone - Safe Handling and Maintenance

Prepolarized vs. externally polarized microphones