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E80CF Telefunken Germany <> bottom NOS Gold Pins rebranded Siemens 1970-1971 (6BL8 sub)

E80CF Telefunken Germany <> bottom NOS Gold Pins rebranded Siemens 1970-1971 (6BL8 sub)

$ 27.99

1 tube) E80CF Telefunken <> bottom NOS Gold Pins rebranded Siemens 1970-1971

triode) 12.4ma Gm=4800

pentode) 7.6ma Gm=5400

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

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