1/4" Preamplifiers

1/4" ICP® Preamplifier for Prepolarized Microphones. These low-noise, general purpose, prepolarized microphone preamplifiers are powered by any constant current (2-20 mA) ICP® sensor power supply. All models are supplied with TEDS capability and are designed to be used with prepolarized microphones.

To compare all 1/4" prepolarized preamplifier specifications see below.

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Model Number

Model:426B03

  • Nominal Microphone Diameter: 1/4"
  • Nominal Microphone Diameter: 1/4"
  • Temperature Range: (Operating)-40 to 176 °F
  • Temperature Range: (Operating)-40 to 80 °C
  • Output Voltage: (Maximum)±8 Vpk
  • Output Voltage: (Maximum)±8 Vpk
  • Size - Length: 1.74 in
  • Size - Length: 44.2 mm
$670.00 USD
(Pricing valid in US only)
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Model Number

Model:426A05

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

Model:426A07

  • Nominal Microphone Diameter: 1/4"
  • Nominal Microphone Diameter: 1/4"
  • Gain: -0.25 dB
  • Gain: -0.25 dB
  • Temperature Range: (Operating)-40 to 158 °F
  • Temperature Range: (Operating)-40 to 70 °C
  • Output Voltage: ±8 V
  • Output Voltage: ±8 V
  • Size - Length: 1.2 in
  • Size - Length: 29.5 mm
$710.00 USD
(Pricing valid in US only)
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