(!!) (Recommended Pair) 6LF6 International JAPAN Big Bottle Euro style construction NOS 1970's (95ma and 100ma)
6LF6 Amperex Heerlen Holland Big Bottle NOS 1967 (125ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Amperex Heerlen Holland Big Bottle NOS 1968 (134ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Amperex Heerlen Holland Big Bottle tests like new 1968 (109ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 RCA JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1973 (115ma)
6LF6 RCA JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1973 (141ma)
6LF6 Sylvania branded Philips NOS (115ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Sylvania NOS 1970's (134ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Sylvania NOS 1970's (149ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Westinghouse JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1974 (87ma)
6LF6 Zenith GE NOS 1980 (158ma)
6LX6=6LF6 GE branded Westinghouse NOS (82ma)
6LX6=6LF6 GE NOS (75ma)
6LX6=6LF6 Sylvania Philips NOS (91ma)
6MH6=6LF6 GE NOS 1975 (143ma)
