(!!) (Pair) 6SF5 RCA metal can NOS 1948-1957 (1.2ma and 1.0ma)
$ 10.99
1 matched pair) 6SF5 RCA metal can NOS
1 tube) 1.2ma Gm=1400 RCA Victor 1948
1 tube) 1.0ma Gm=1600 RCA 1957
Good Ma = .9 - 1.0ma
Good Gm = 1400-1500
(6SF5=6F5 without top cap and 7B4)
(6SF5GT are used in Fi X 2A3/45 SET amp)
(6SF5GT have gain similar to a 12AX7)
(Vplate=240V, Vgrid=-1V, Mu=110, Gm=2120, Rplate=52Kohms, Pout=.48 watts)
- Masco MA-808
- Supro amp
- Fi 2A3
See more: vacuum tube
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 (Pair) 6SF5 RCA metal can NOS 1948-1957 (1.2ma and 1.0ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_244ff548-a7a8-4a34-9b13-a73a8f7a2278.jpg?v=1732001960){kind=link}
 (Pair) 6SF5 RCA metal can NOS 1948-1957 (1.2ma and 1.0ma) "Pin It")