0.760 amp filament group, Noval pinout 9CV
EL-84, 7189, 6P14P (Cyrillic: 6П14П)
EL-84 in place of 6BQ5 (not the other way round, max ratings issue)
1.27 amp filament group, pinout: 7AC
6L6, 5881, KT-66
1.5 amp filament group, pinout: 8ET
EL-34, 6CA7, KT-77
1.6 Amp filament group, pinout: 8ET/7S?
6550(Beam Pentode), KT-88(Beam Tetrode), KT-90(Beam Tetrode), KT-100?
1.7-2.0 Amp filament group, pinout: 8ET
KT-120, KT-150
Last Updated on 2024-05-16 by Daev Roehr