(!!!!) (Single) 6CG7 Tungsol NOS 1960 era black shield between plates – pin #3 slightly shorter (8.6ma/10ma) Title: 6CG7 Tungsol 1960 era

1 low noise tube) 6CG7 Tungsol NOS 1960 era black shield between plates good printing

pin #3 shorter than the others – see photos

1 section) 8.6ma Gm=2600

1 section) 10ma Gm=2900

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