(!!!!) (#1 5670W GE PAIR) 5670W GE NOS 1971-1979 1-2% matched (highest Ma and Gm)
(!!!!) (#1 5670W GE PAIR) 5670W GE NOS 1972-1977 1-2% matched (highest Ma and Gm)
(!!!!) (#2 5670W GE PAIR) 5670W GE NOS 1971-1978 1-2% matched
(!!!) (#1 5670 Sylvania) JAN-5670=2C51 Sylvania NOS 1967 (8.0/8.6ma)
(!!!) (#1 5670 Sylvania) JHS-5670=2C51 Sylvania NOS 1966 (10.6/11.4ma) (highest Ma and Gm)
(!!!) (#2 5670 GE 1950's) JG-5670 GE triple mica with D getter halo 1950's (7.6/10.2ma)
(!!!) (#3 5670W GE PAIR) 5670W GE NOS 1982-1983
(!!) (slightly microphonic) 396A=2C51 Western Electric "O" getter halo NOS 1973 in white box (9.6/13.5ma) (High Ma and Gm)
(!!) JHS-5670 Sylvania NOS 1966 (8.5/10ma)
(!) (#3 5670 Sylvania) 5670 Sylvania NOS 1960 "D" getter halo (8.2/10.4ma)
(!) 2C51 Sylvania NOS 1960's (7.6/8.0ma)
(!) 396A Western Electric NOS 1975 in white box (4.6/6.4ma)
(!) JHS-5670 Sylvania NOS 1965 (8.0/8.2ma)
(slightly microphonic) 2C51=396A Tungsol black plates NOS "D" getter halo 1950's (7.4/6.5ma)
(slightly microphonic) 396A Western Electric NOS "O" getter halo 1973 (8.0/8.8ma)
396A Western Electric "O" getter halo NOS 55-60% 1977 reboxed (3.6/4.2ma)
396A Western Electric "O" getter halo NOS 55-60% 1977 reboxed (3.8/4.6ma)
396A Western Electric O getter NOS/65% 1973 in white box (4.2/5.0ma)
6385 Bendix
JHS-5670 Sylvania NOS 1966 tilted glass (10/13.4ma)
