ECC88=6DJ8 Siemens Germany Tektronix checked small "o" getter halo 1971 used/good (12.5/16.2ma)
ECF83 Telefunken NOS 1965 (1 in stock)
ECF83 Telefunken rebranded International 1960's (3 in stock)
ECF86=6HG8
ECH3 Philips Miniwatt 1940's used/good
ECH3 Tungsram used/good 1940 era
ECH35 Philips Miniwatt like new 1940's
ECH42=6CU7 International Germany NOS made by La Radiotechnique France early 1960's (3 in stock)
ECH42=6CU7 Telefunken Germany <> bottom NOS 1966 (1 in stock)
ECH42=6CU7 Valvo Germany NOS made by La Radiotechnique France early 1960's (2 in stock)
ECH81=6AJ8 Amperex Italy NOS 1968 (6.4ma and 12.8ma)
EDD11 Telefunken used/good 1940's
EF11 RSD Germany NOS 1950's (6.1ma) (tested on Amplitrex)
EF11 Telefunken Germany used/very good 1949 (5.6ma) (tested on Amplitrex)
EF12 Telefunken Germany used/tests like new, stamped top 1940's (sold out)
EF12 Ultron Germany NOS 1950's (3.9ma)
EF12K (sold out)
EF183=6EH7 Amperex Bugle Boy Holland 1960 "D" getter halo (11.5ma)
EF183=6EH7 Amperex Holland 1959 "D" getter halo (12ma)
