Model : 426A07 | Microphone Preamplifier

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$ 625.00 USD
(Pricing valid in US only!)

ICP® short preamplifier 1/4-inch to be used with prepolarized condenser microphone, 10-32 Connector.

  • Nominal Microphone Diameter: 1/4"
  • Gain: -0.25 dB
  • Temperature Range: -40 to 158 °F (-40 to 70 °C)
  • Output Voltage: ±8 V
  • Size - Length: 1.2 in (29.5 mm)

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English: SI:
Performance
Nominal Microphone Diameter 1/4" 1/4"
Gain -0.19 dB -0.19 dB [1] [2]
Gain -0.25 dB -0.25 dB [1] [4]
Frequency Response (±0.2 dB) (re 1 kHz) 2.5 to 126000 Hz 2.5 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) <2.5 µV <2.5 µV [2]
Electrical Noise (A-weight) 1.8 µV 1.8 µV [1] [2]
Electrical Noise (Flat 20 Hz to 20 kHz) <5.6 µV <5.6 µV [2]
Electrical Noise (Flat 20 Hz to 20 kHz) 3.5 µV 3.5 µV [1] [2]
Electrical Noise (A-weight) 3.3 µV 3.3 µV [1] [4]
Electrical Noise (Flat 20 Hz to 20 kHz) 5.9 µV 5.9 µV [1] [4]
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 [3]
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 ±8 V ±8 V [1]
Physical
Housing Material Stainless Steel Stainless Steel
Size - Diameter 0.25 in 6.4 mm
Size - Length 1.2 in 29.5 mm
Weight 0.13 oz 3.6 gm
Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack
Mounting Thread (Microphone to Preamplifier) 0.2244 - 60 UNS 5.7 mm - 60 UNS
* All specifications are at room temperature unless otherwise specified
.


Specification Notes


[1] Typical.
[2] Measured with an 18 pF reference microphone.
[3] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4, uses DS2431.
[4] Measured with a 6 pF reference microphone.
[1] Typical.
[5] See PCB Declaration of Conformance PS076 for details.


Accessories


Supplied
ERC-16 Calibration of ICP® microphone preamplifier 1


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