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(!!) (Best Single) 12BH7A Tungsol black plates

(!!) (Best Single) 12BH7A Tungsol black plates "O" getter halo like new 1960 era (12.9ma/13.0ma) 1-2% section balance

$ 69.99

1 platinum low noise tube) 12BH7A Tungsol black plates "O" getter halo like new 1960 era -  1-2% section balance

12.9ma Gm=3300

13.0ma Gm=3200

 


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