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The 5881A is the rugged military version of the 6L6 family, one of Shuguang’s flagship OEM tubes since 1998, fitted in countless guitar amplifiers worldwide.
Lineup
5881A
Tough, consistent, road-proven – a guitar amp standard.
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.