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(!!) (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!) (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
$ 139.99
1 pair) 6LF6 Sylvanbia NOS same build
1 tube) Sylvania branded Philips (121ma, Gm=14,600)
1 tube) Sylvania branded RCA (127ma Gm=14,100)
Tested on Amplitrex
Vplate=175V
Vscreen=125V
Vgrid=-25V
NOS Iplate range 100-150ma
NOS Gm range 13,000 - 15,000
(6LF6=6.3V @ 2A Filament, Vplate=990Vmax, Vplate=8000Vpeak-pulse, 40 watts)
- Futterman OTL
- Prodigy OTL
- Counterpoint SA4 OTL
See more: vacuum tube
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 (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_54b7c3d2-a3ea-41e4-ae19-c2b824d4c50f.jpg?v=1692284951){kind=link}
 (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL) "Pin It")