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The 572B is a rugged graphite-anode transmitting triode widely used in ham radio linear amplifiers. Shuguang has produced it since 1988 and remains one of the few sources worldwide.
Lineup
572B
Graphite-anode RF workhorse.
Specifications
Click an image to view the full-size specification sheet.
📄 Shuguang Catalogue 2024 (PDF)
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*We also accept custom orders for factory-level burn-in, precision testing, matched pairs / quads, special grading and OEM requirements. For a quotation or consultation, please contact us here.