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The 805A is a graphite-plate transmitting triode for big SET amplifiers, delivering dramatic dynamics. Shuguang’s 805A was design-finalized in 2006, followed by the Nature Sound 805A-T in 2012.
Lineup
805A-T (Nature Sound)
Premium version with selected graphite plate.
805A
Classic series version.
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.