6EJ7 RCA by Siemens Germany NOS 1972 (12.4ma)
6EJ7 RCA East Germany NOS 1970's (13.5ma)
6EJ7 Sylvania NOS (10.2ma)
6EJ7 Sylvania NOS (9ma)
6EJ7 Zaerix East German NOS 1970's (12ma) strong single
6FS5 GE branded RCA NOS (6.5ma)
6FS5 Sylvania branded Dumont NOS (8.2ma)
6LF6 GE Zenith NOS 1978 (155ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 RCA JAPAN branded Gt. Britain Big Bottle Euro style construction low hours/like new 1976 (104ma)
6LF6 RCA JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1973 (141ma)
6LF6 RCA JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1973 (92ma)
6LF6 Westinghouse JAPAN branded Gt. Britain Big Bottle Euro style construction NOS 1974 (87ma)
6LF6 Zenith NOS 1978 (101ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LU8 GE used/good no printing (2.1/49ma)
EF184 Telefunken Germany <> bottom used/good, gray shield 1960's (9.4ma)
