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1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 0
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 1
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 2
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 3
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 4
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 5
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 6
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 7
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 8
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 9
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 10
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 11
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 0
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 1
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 2
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 3
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 4
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 5
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 6
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 7
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 8
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 9
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 10
1 X GU-81M HIGH POWER 750W 50MHz PENTODE HAM TRANSMITTING GENERATOR TUBE 1 PCS, US $49.00 – Picture 11

1 X Gu-81m High Power 750w 50mhz Pentode Ham Transmitting Generator Tube 1 Pcs

US $49.00

  • Payment in USA shipping from Europe, Ukraine
  • Jan 29th
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With a heat voltage range of 11.8-13.4V and an anode voltage of 3kV, this tube also has a filament current of 10.5A and anode current of 20mA. The GU-81M has a reverse current of the first grid at 50mkA and leakage current between electrodes at 20mkA. The bias voltage of the first grid ranges from -115 to -160V, and the steepness of the characteristic is 4.5-6.5mA/V. The anode can develop up to 600W, and the operating frequency is 50MHz. The resistance in a circuit of the anode is 2000 Ohms. For convenient payment, a representative in the U.S. can accept VISA/Master Credit Card payments via PayPal. The buyer is responsible for the fixed $25.00 shipping and handling fee to any country worldwide. This item will be carefully packaged and shipped via REGISTERED Airmail from Ukraine. Delivery time to the USA and Europe is estimated to be within 14 days, and 20 days to Asia, Australia, and the South America, pending customs delays. For sale is a new 1988 Russian GU-81M high power pentode transmitting generator tube, capable of producing an impressive 750W at 50MHz. This glass design tube features ambient cooling and has never been used before.
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Brand Rjazan
Country/Region of Manufacture Russian Federation
Model GU-81M
Country of Manufacture Russian Federation

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