Model : 426A10 | Microphone Preamplifier

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1/2 icp® preamplifier with 20 hz high pass filter (for prepolarized microphones)
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1/2" ICP® preamplifier with 20 Hz high pass filter (for prepolarized microphones)

  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: -40 to +176 °F ( -40 to +80 °C)
  • Output Voltage: ±7 Vpk
  • Size - Length: 3.18 in ( 80.7 mm)

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English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Gain -0.1 dB -0.1 dB [ 1] [ 3]
Frequency Response (±0.1 dB) (re 1 kHz) 80 to 125000 Hz 80 to 125000 Hz
Frequency Response (-3 dB) (re 1 kHz) <10 Hz <10 Hz
Phase Linearity (<1 °) 500 to 20000 Hz 500 to 20000 Hz
Phase Linearity (-1 to +10 °) 50 to 500 Hz 50 to 500 Hz
Electrical Noise (A-weight) <3.6 µV <3.6 µV [ 3]
Electrical Noise (A-weight) 2.6 µV 2.6 µV [ 1] [ 3]
Electrical Noise (Flat 20 Hz to 20 kHz) <11.2 µV <11.2 µV [ 3]
Electrical Noise (Flat 20 Hz to 20 kHz) 7.8 µV 7.8 µV [ 1] [ 3]
Distortion (3 V rms input at 1 kHz) <-70 dB <-70 dB
Output Slew Rate 2 V/µS 2 V/µS [ 1]
TEDS Compliant Yes Yes [ 2]
Environmental
Temperature Range (Operating) -40 to +176 °F -40 to +80 °C
Temperature Response <0.05 dB <0.05 dB
Humidity Range (Non-Condensing) 0 to 95 %RH 0 to 95 %RH
Humidity Sensitivity <0.05 dB <0.05 dB
Electrical
Excitation Voltage 20 to 32 VDC 20 to 32 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Impedance (Input) 2 GOhm 2 GOhm [ 1]
Capacitance (Input) 0.2 pF 0.2 pF [ 1]
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Impedance (Output) <50 Ohm <50 Ohm
Output Voltage (Maximum) ±7 Vpk ±7 Vpk
Physical
Housing Material Stainless Steel Stainless Steel
Size - Diameter 0.5 in 12.7 mm
Size - Length 3.18 in 80.7 mm
Weight 1.34 oz 38 g [ 1]
Electrical Connector BNC Jack BNC Jack
Mounting Thread (Microphone to Preamplifier) 0.4606 - 60 UNS 11.7 mm - 60 UNS
* All specifications are at room temperature unless otherwise specified
.




Specification Notes


[ 1] Typical.
[ 2] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4
[ 3] Measured with an 18 pF reference microphone.
[ 1] Typical.
[ 4] See PCB Declaration of Conformance PS073 for details.


Accessories


Supplied
ERC-16 Calibration of ICP® microphone preamplifier 1


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