(!!!!) (Best Westinghouse Single) 6SN7GTB Westinghouse USA gray plates NOS 1961 (8.4/9.2ma)
$ 59.90
1 Low Noise Tube) 6SN7GTB Westinghouse USA gray plates NOS "O" getter halo
(61-35=1961)
8.4ma Gm=2700
9.2ma Gm=2800
Good Ma range 7-10ma
Good Gm range 2400-2600
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