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The 12AX7 (ECC83) is the world’s most popular high-mu twin triode, the standard first-stage tube of guitar amplifiers and hi-fi preamps. Shuguang has been producing the 12AX7 family since 2000, from the workhorse 12AX7B to the premium Nature Sound 12AX7-T.
Lineup
12AX7B
Classic series – reliable standard version with balanced, dynamic sound.
12AX7-T (Nature Sound)
Premium Nature Sound series – selected materials, lower noise and richer harmonic texture.
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.