6L6G Sylvania branded Silvertone coated glass used/good 1947 (56ma)
6L6GA Sylvania used/good 1944 (79ma)
6L6GB GE Black Plate used/good 1957 (59ma)
6L6GB Sylvania Black Plate used/good 1955 faded top getter (57ma)
6L6GB Sylvania Black Plate used/good 1955 faded top getter (65ma) (high Ma and Gm)
6L6GC GE NOS 1964 broken center guide pin (61ma)
6L6GC GE tests like new 1964 broken center guide pin (87.5ma)
6L6GC GE Zenith low hours/like new 1960's in white box (61.5ma)
6L6GC Sylvania clear top NOS 1960's copper grid posts (68ma)
6L6GC Sylvania gray plate used/tests like new 1960's (66ma)
6LB6 GE branded Amperex NOS 1967 (65ma)
6LB6 GE branded Quasar NOS 1970 era (78ma)
6LB6 GE branded Zenith used/good (89ma)
6LB6 RCA used/good 1970 era (84ma)
6LB8=6JT8 NOS
6LC8 NOS
6LE8 NOS
6LF6 GE Zenith NOS 1978 (155ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Zenith NOS 1978 (101ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF8 NOS
