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(!!) (Single) 6060=12AT7 Brimar Thorn UK square black plates triple mica large "O" getter halo 1960 NOS (6.4/8.4ma) (Premium low noise 12AT7)

$ 34.99

1 low noise tube) 6060=12AT7 Brimar Thorn "T" UK square black plates triple mica large "O" getter halo 1960 NOS in white box

1 section) 6.4ma Gm=3400

1 section) 8.4ma Gm=4400

 

Good Ma range 7-9ma

Good Gm range 4000-5000

 

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