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Shuguang Treasure series 2A3C-Z
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Shuguang Treasure series 2A3C-Z

Chinese Shuguang Treasure 2A3C-Z New Version.
The carbon-sprayed black glass treasure series has better product stability, matching accuracy and sound quality than ordinary products.
2A3C is a direct-heated cathode power double triode, it is used in classA1, AB1 amplifier.