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(!!) (Best Pair) 6LF6 RCA and GE Heerlen Holland Big Bottle NOS 1967-1969 (132ma and 136ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!) (Best Pair) 6LF6 RCA and GE Heerlen Holland Big Bottle NOS 1967-1969 (132ma and 136ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
By Tube World
$ 199.99
1 pair) 6LF6 Heerlen Holland Big Bottle NOS
1 tube) 132ma and Gm=15,550 (GE HOLLAND 1969)
1 tube) 136ma and Gm=16,200 (RCA HOLLAND 1967 rebranded/redated in 1970)
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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 (Best Pair) 6LF6 RCA and GE Heerlen Holland Big Bottle NOS 1967-1969 (132ma and 136ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_072f931c-f70a-432c-9cc3-06029258643a.jpg?v=1689631169){kind=link}
 (Best Pair) 6LF6 RCA and GE Heerlen Holland Big Bottle NOS 1967-1969 (132ma and 136ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL) "Pin It")