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(!!!) (Best Pair) 6SN7GTA Westinghouse USA black plates NOS 1955 era (7.0/7.6ma and (7.0/7.9ma)
(!!!) (Best Pair) 6SN7GTA Westinghouse USA black plates NOS 1955 era (7.0/7.6ma and (7.0/7.9ma)
$ 109.99
1 Low Noise pair) 6SN7GTA Westinghouse USA black plates NOS "O" getter halo 1955
1 tube) 7.0/7.6ma Gm=2500/2600 in GTB box
1 tube) 7.0/7.9ma Gm=2400/2500 in GTB box
Good Ma range 7-10ma
Good Gm range 2400-2600
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 (Best Pair) 6SN7GTA Westinghouse USA black plates NOS 1955 era (7.0/7.6ma and (7.0/7.9ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_e801347c-20bd-4525-9779-afd5d3492530.jpg?v=1765470545){kind=link}
 (Best Pair) 6SN7GTA Westinghouse USA black plates NOS 1955 era (7.0/7.6ma and (7.0/7.9ma) "Pin It")