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Vacuum tubes by use » HAM Radio tubes » GU43B / GU-43B tube
GU43B / GU-43B tube
Manufacturer: Poljaron factory
$65.00/ea
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last 1 pc.
The GU-43B tetrode is used for wideband power amplification at frequencies up to 100 MHz in RF equipment. The GU-43B has similar characteristics to the 4CX1000 tube.

  • Cathode: indirectly heated, oxide-coated.
  • Envelope: glass-to-metal.
  • Cooling: forced air.
  • Height: at most 125 mm.
  • Diameter: at most 100 mm.
  • Mass: at most 1.5 kg.
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