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The SG-50 is Shuguang’s tribute to the legendary type 50 directly-heated triode – the most romantic-sounding of all vintage triodes. Design-finalized in 2005 for modern SET builders.
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SG-50
Modern production type-50 DHT for single-ended amplifiers.
📄 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.