1/2" Preamplifiers

​1/2' ICP® Preamplifier for Prepolarized MicrophonesThese 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 prepolarized preamplifier specifications see below.

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Model Number

Model:HT426E01

  • Nominal Microphone Diameter: 1/2"
  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: (Operating)-40 to +257 °F
  • Temperature Range: (Operating)-40 to +125 °C
  • Output Voltage: (Maximum)±7 Vpk
  • Output Voltage: (Maximum)±7 Vpk
  • Size - Length: 3.5 in
  • Size - Length: 89 mm
$645.00 USD
(Pricing valid in US only)
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Model Number

Model:426E01

  • Nominal Microphone Diameter: 1/2"
  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: (Operating)-40 to +176 °F
  • Temperature Range: (Operating)-40 to +80 °C
  • Output Voltage: (Maximum)±7 Vpk
  • Output Voltage: (Maximum)±7 Vpk
  • Size - Length: 3.18 in
  • Size - Length: 80.7 mm
$560.00 USD
(Pricing valid in US only)
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Model Number

Model:426A13

  • Nominal Microphone Diameter: 1/2"
  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: (Operating)-40 to 158 °F
  • Temperature Range: (Operating)-40 to 70 °C
  • Output Voltage: ±8 V
  • Output Voltage: ±8 V
  • Size - Length: 1.4 in
  • Size - Length: 35.7 mm
$670.00 USD
(Pricing valid in US only)
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Model Number

Model:426A11

  • Nominal Microphone Diameter: 1/2"
  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: (Operating)-4 to +158 °F
  • Temperature Range: (Operating)-20 to +70 °C
  • Output Voltage: (Maximum)5 Vpk
  • Output Voltage: (Maximum)5 Vpk
  • Size - Length: 4.25 in
  • Size - Length: 108.0 mm
$920.00 USD
(Pricing valid in US only)
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Model Number

Model:426A10

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