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The 5U4G is the big coke-bottle directly-heated rectifier – high current capability and vintage looks, the standard choice for 300B and 2A3 amplifiers.
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5U4G
Directly-heated full-wave rectifier in the classic ST bottle.
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.