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» Vacuum tubes by use » HAM Radio tubes » GK-71 (graphite plate) tube
GK-71 (graphite plate) tube
Manufacturer: Ulyanovsk factory
GK-71 (graphite plate) tube
GK-71 (graphite plate) tube
GK-71 (graphite plate) tube
$35.00/ea
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Average delivery time to United States is 19 days.

The GK71 tube is 125 watt pentode with a maximum frequency of 20 MHz. Made for a military equipment. NEW, NOS and never used before!

  • Name: GK71 / ГК71 / ГК-71;
  • Type: pentode;
  • Cathode type: tugsten, carbidized, direct heating;
  • Application field: Oscillation and power amplification;
  • Brief application: amplification, oscillation;
  • Envelope: glass with base;
  • Cooling method: air;
  • Dimensions: 195mm x 68mm;
  • Mass: 320g;
  • Filament voltage: 20 V;
  • Filament current: 2.7 - 3.5 A;
  • Normal anode voltage: 1,5 kV;
  • Mutual conductance: 3.1 to 4.9 mA/V;
  • Gain coefficient: 4 to 6;
  • Output power: 125 W;
  • Maximum anode voltage: 2 kV;
  • Maximum operating frequency: 20 MHz.

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