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(!!) (Recommended Pair) 6LF6 Sylvanbia NOS same build 1970 era (117ma and 122ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!) (Recommended Pair) 6LF6 Sylvanbia NOS same build 1970 era (117ma and 122ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
$ 138.88
1 pair) 6LF6 Sylvanbia NOS same build
1 tube) Sylvania branded Zenith (117ma, Gm=14,200)
1 tube) Sylvania branded RCA (122ma Gm=14,500) faded printing
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 Sylvanbia NOS same build 1970 era (117ma and 122ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_22bc4cd5-ba56-400c-8113-d3ba532cd251.jpg?v=1600368747){kind=link}
 (Recommended Pair) 6LF6 Sylvanbia NOS same build 1970 era (117ma and 122ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL) "Pin It")