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(!!!) (Best Single) E80CF=7643 Valvo branded Amperex Germany PQ NOS 1961 (Premium 6BL8 SUB) (Highest mA and Gm)
(!!!) (Best Single) E80CF=7643 Valvo branded Amperex Germany PQ NOS 1961 (Premium 6BL8 SUB) (Highest mA and Gm)
By Tube World
$ 54.99
E80CF=7643 Amperex Germany PQ NOS made by Valvo Hamburg Germany 1961 (Triode/Pentode)
12.4ma Gm=5000 (triode)
14.2ma Gm=7300 (pentode)
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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 (Best Single) E80CF=7643 Valvo branded Amperex Germany PQ NOS 1961 (Premium 6BL8 SUB) (Highest mA and Gm) "Pin It")