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Cathode: Coated Unipotential
Download NL-5557/FG17 Datasheet (PDF)
It is widely used in RF amplifiers
These high-efficiency tubes are ideal for demanding RF and power amplifier applications
572B/T160L Bundle:Matched Quad Cathode: Coated Unipotential572B tube specs The 572B is designed for reliable operation in high power applications, offering excellent performance characteristics that make it suitable for both audio and RF applications. These tubes are particularly valued in amateur radio amplifiers, broadcast transmitters, and high end audio equipment where consistent performance and reliability are crucial. Their robust construction and efficient heat dissipation capabilities make them
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