(!) (Best Pair #2) 6SF7 Raytheon NOS 1955 (12.8ma and 13.4ma)
$ 11.99
1 pair) 6SF7 Raytheon NOS 1955
1 tube) 13.4ma Gm=2200
1 tube) 12.8ma Gm=2100
Good Ma 11.5-12.5ma
Good Gm = 2000
See more: vacuum tube
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 (Best Pair #2) 6SF7 Raytheon NOS 1955 (12.8ma and 13.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/7_1_e87b5743-8daa-41ed-a38e-b0833e56ec71.jpg?v=1782754530){kind=link}
 (Best Pair #2) 6SF7 Raytheon NOS 1955 (12.8ma and 13.4ma) "Pin It")