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EF85=6BY7 Siemens branded Telefunken NOS 1969 (3 in stock)
EF89=6DA6 Philips Miniwatt Holland used/good 1960 (7.6ma)
EF89=6DA6 Telefunken Germany <> bottom used/good 1963 (6.6ma)
EF9 Miniwatt used/good 1940's
EF92 Mullard England used/good 1958 (80/60)
EH90=6CS6 Valvo by Mullard UK NOS 1964-1965 (3 in stock)
EK90=6BE6 Philips France NOS 1971 (2.9ma Gm=1300) (Highest mA and Gm)
EL12 Telefunken used/tests like new 1951 (74ma)
EL38 Mullard like new 1965 (122ma) (tested on Amplitrex)
EL3N Mazda France Red Series NOS 1950 era (1 in stock)
EL83 Tesla like new 1971 (64ma)
EL83 Valvo France NOS 1961 (47ma)
EM4 Miniwatt Dario France use/tests like new "clear glass" 1950's (yellow eye)
EM4 Miniwatt Holland NOS 1950's (2 in stock)
EM4 Philips Miniwatt Holland gold coated glass - original boxes 1950-1955 (bright eyes) (3 in stock)
EM4 Philips Miniwatt Holland or Austria NOS red coated glass 1950's (8 in stock)
EM4 Tronal Philips Austria NOS red coated glass 1955 (bright green eye)
EM81 Amperex made in Yugoslavia, some are branded Holland (10 in stock)
EM81 Motorola Holland NOS 1959
EM81 Mullard Holland NOS "D" getter halo 1958-1960 (2 in stock)
