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(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (13/9.0ma and 12.8/8.8ma) (1-2% matched) (best sound)
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (13/9.0ma and 12.8/8.8ma) (1-2% matched) (best sound)
$ 139.99
1 pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 partially faded printing
1 tube) 13.0ma Gm=5400 and 9.0ma Gm=6200 (triode/pentode)
1 tube) 12.8ma Gm=5400 and 8.8ma Gm=6100 (triode/pentode)
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
See more: vacuum tube


