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(!!) (SINGLE) E80CF=7643 Telefunken Germany <> bottom NOS Gold Pins with warranty sheet 1965 (13.0/11.4ma) (6BL8 sub)
(!!) (SINGLE) E80CF=7643 Telefunken Germany <> bottom NOS Gold Pins with warranty sheet 1965 (13.0/11.4ma) (6BL8 sub)
$ 79.99
1 tube) E80CF=7643 Telefunken Germany <> bottom NOS Gold Pins with warranty sheet 1965
triode) 13.0ma Gm=5000
pentode) 11.4ma Gm=6700
Good Triode section Ma and Gm = 12-13ma Gm= 4500-5000
Good Pentode section Ma and Gm = 9-11ma Gm = 6000-6500
(The E80CF is a "SPECIAL QUALITY" medium-mu triode/pentode. Specs are similar to 6BL8=ECF80)
- McIntosh MR-67 tuner
See more: vacuum tube
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 (SINGLE) E80CF=7643 Telefunken Germany <> bottom NOS Gold Pins with warranty sheet 1965 (13.0/11.4ma) (6BL8 sub) "Pin It")