2A3

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Manufacture:PENTA LABRATORIES
Price: JPY 11,818(pair)
22-35356-38289-00
Shop: Osu shop
Arrival: 2025-08-24 19:20:43
It seems to be a vacuum tube made in China due to the pair tube direct heat triode structure PENTA LABRATORIES sorting sphere measurement value 62/62 (rejection value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
  
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