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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


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