WebThe GU-74B is a decent tube at its original Russian specs but the 4CX800A version is a complete fraud. It is a 600W dissipation tube and loses emission rapidly when run … WebThe Svetlana 4CX800A ceramic tetrode has a great power to price ratio. I just purchased two spare NOS tubes on ebay for $52 each for my QRO HF2500DX amplifier. What a bargain compared to the price of the 3-500Z, 3CX800, 8877 and other tubes built by Eimac. The 4CX800’s provide a power gain of 40X or 16dB on 160 and 80 meters where I do …
1 x NEW GU-74B GU74B Tube Nos 4cx800 EU SELLER eBay
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GU-74B USSR Power Tetrodes tube Svetlana brand NOS. Visual …
Web10 giu 2024 · GU-74B (original box) 410,00 $ Russian tetrode tube GU-74B are direct replacements for use in some of the best-built RF power amplifiers, including Alpha 99, … WebGU-84b maximum anode dissipation power is 2.5 kW. With this power the tube needs really big blower that can give 75 mm H2O pressure and 2.5 m³/min airflow. With 1.6 kW dissipation tube needs 30 mm pressure and … WebAmplifier, Linear, 160-6 meters, One Svetlana GU-74B (4CX800A) Tube, 1000 W Output PEP, 240 Vac NEMA 6-15P Plug Installed. Part Number: AOM-1000-240. 5.0 out of 5 stars. Estimated Ship Date: Today. Free Shipping; Documentation; Charts & Guides; Multiple Images; View; Estimated Ship Date: Today. falcon 9 landing 2017