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Shuguang Treasure series CV181-Z
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Shuguang Treasure series CV181-Z

Chinese Shuguang Treasure CV181-Z New Version.
The carbon-sprayed black glass treasure series has better product stability, matching accuracy and sound quality than ordinary products.
CV181-Z is double triode, used in voltage amplification circuit, Can be replaced directly by 6N8P and 6SN7GT.