(!!!!!) (Best Pair #3) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/8.8ma and 11.7/9.0ma) (best sound)

(!!!!!) (Best Pair #3) ECF80=6BL8 Telefunken Germany <> bottom NOS 1971 (12.8/8.8ma and 11.7/9.0ma) (best sound)

$119.99
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1 pair) ECF80=6BL8 Telefunken Germany &lt;&gt; bottom NOS 1971 faded printing 1 tube) 12.8ma Gm=5300 and 8.8ma Gm=5800 (triode/pentode)  1 tube) 11.7ma Gm=5200 and 9.0ma Gm=5900 (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  

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