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Preamplifiers for Externally Polarized Microphones

1/2" and 1/4" preamplifiers are optimized for use with externally polarized microphones. They are compatible with all brands of microphones that meet IEC 61094 standard and connect to 200V power supplies via a 7-pin cable with LEMO® connector. Model 426A30 is a rugged 1/2" preamplifier. Model 426B31 is a 1/4" preamplifier with an integral ­10 foot (3m) cable that terminates with a 7-pin LEMO® connector.

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Model 426A30

  • 1/2"
  • 1/2"
  • (Operating)-40 to +185 °F
  • (Operating)-40 to +85 °C
  • (with +36 V power supply)28 Vpp
  • (with +36 V power supply)28 Vpp
  • 5.2 in
  • 132 mm
$650.00 USD
(US Domestic Pricing Only)
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Model 426B31

  • 1/4"
  • 1/4"
  • (Operating)-4 to 167 °F
  • (Operating)-20 to 75 °C
  • (Maximum)±50 V
  • (Maximum)±
  • 4 in
  • 101.6 mm
$810.00 USD
(US Domestic Pricing Only)
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