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(!!!!!) (Best Pair #2) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (14/9ma and 12.0/8.2ma) (best sound) (McIntosh, Allnic)
(!!!!!) (Best Pair #2) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (14/9ma and 12.0/8.2ma) (best sound) (McIntosh, Allnic)
$ 134.99
1 pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971
1 tube) 14.0ma Gm=5400 and 9.0ma Gm=5800 (triode/pentode) fairly good printing
1 tube) 12.0ma Gm=5200 and 8.2ma Gm=6000 (triode/pentode) faded printing
Matched on Amplitrex
Good Triode Ma/Gm=11-14ma Gm=4500-5000
Good Pentode Ma/Gm=8-10ma Gm=5500-6000
Recommended for
- McIntosh MR67, MR71 FM Stereo tuner
- Telefunken radio
- Graaf GM 100 amplifier
- HH Scott 350 Tuner 1961-2
- Allnic
See more: vacuum tube


