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GU-78B Svetlana Power Tetrode. New Old Stock The Svetlana GU-78B is HF-VHF POWER TETRODE. Really possible 4kW HF-VHF from one tube. Now Svetlana factory price is 59000 rubles ($2350) per tube! Cathode: indirectly heated, oxide-coated. Envelope:coaxial, metal-ceramic. Note: before use Svetlana tubes also NOS tubes it is necessary to preparation procedure for a vacuum restored. Any powerful vacuum tubes do not put easy similarly to an electric bulb. Anode voltage it is necessary to raise from 50 % to 100 % gradually with tube protecting from pulse current if shoots... See some info (Gettering and Arcing): This Sale is for ONE GU-78B tube, New Old Stock. In very good condition! The return to innocence. Just believe in destiny... (please look at our rules and privacy policy) |
k_hobbs@machine--tools.com (Kerri Hobbs) for additional information. This email is used for forwarding to newsgroup user.
