preamplifier for 1/4 side vented prepolarized microphones.

Microphone Preamplifier

Model 426A05

  • CE
  • IP

Preamplifier for 1/4" side vented prepolarized microphones.

  • Nominal Microphone Diameter: 1/4"
  • Temperature Range: -40 to 158 °F (-40 to 70 °C)
  • Output Voltage: ±8 V
  • Size - Length: 1.74 in (44.2 mm)

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 PS076 for details.

English: SI:
Performance
Nominal Microphone Diameter 1/4" 1/4"
Gain -0.19 dB -0.19 dB [1] [3]
Frequency Response (±0.1 dB) (re 1 kHz) 5 to 126000 Hz 5 to 126000 Hz
Frequency Response (±0.2 dB) (re 1 kHz) 3.2 to 126000 Hz 3.2 to 126000 Hz
Frequency Response (-3 dB) (re 1 kHz) <0.7 Hz <0.7 Hz
Phase Linearity (<1 °) 63 to 20000 Hz 63 to 20000 Hz
Electrical Noise (A-weight) <3.2 µV <3.2 µV [3]
Electrical Noise (A-weight) 1.9 µV 1.9 µV [1] [3]
Electrical Noise (Flat 20 Hz to 20 kHz) <5.6 µV <5.6 µV [3]
Electrical Noise (Flat 20 Hz to 20 kHz) 3.4 µV 3.4 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 158 °F -40 to 70 °C
Temperature Range (Storage) -40 to 185 °F -40 to 85 °C
Temperature Response <0.03 dB <0.03 dB
Humidity Range (Non-Condensing) 0 to 95 %RH 0 to 95 %RH
Humidity Sensitivity <0.03 dB <0.03 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) 20000000000 Ohm 20000000000 Ohm [1]
Capacitance (Input) 0.15 pF 0.15 pF [1]
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Impedance (Output) <50 Ohm <50 Ohm
Output Voltage (Maximum) ±8 V ±8 V [1]
Physical
Housing Material Stainless Steel Stainless Steel
Size - Diameter 0.25 in 6.4 mm
Size - Length 1.74 in 44.2 mm
Weight 0.21 oz 6 gm
Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack
Mounting Thread 0.2244 - 60 UNS 5.7 mm - 60 UNS

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
ERC-16 Calibration of ICP® microphone preamplifier 1

Product Videos


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