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(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/12.4ma and 12.6/12.2ma) 1-3% matched (Highest mA and Gm)
(!!!!!) (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/12.4ma and 12.6/12.2ma) 1-3% matched (Highest mA and Gm)
$ 139.99
1 pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971
1 tube) 12.8ma Gm=5400 and 12.4ma Gm=7200 (triode/pentode)
1 tube) 12.6ma Gm=5300 and 12.2ma Gm=7200 (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
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 (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/12.4ma and 12.6/12.2ma) 1-3% matched (Highest mA and Gm) "Pin It")
 (Best Overall Pair) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/12.4ma and 12.6/12.2ma) 1-3% matched (Highest mA and Gm)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_b5c3ac75-1212-4ea6-b716-daa204cfe71d.jpg?v=1741989570){kind=link}