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ECF83 Telefunken rebranded International 1960's (3 in stock)
ECF86=6HG8 Valvo France NOS (4 in stock)
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 Valvo Germany like new 1960 (6.3ma and 10.6ma)
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 Holland 1959 "D" getter halo (12ma)
EF183=6EH7 Siemens branded Telefunken NOS 1963 (15ma)
EF184 Telefunken Germany <> bottom used/good, gray shield 1960's (9.4ma)
EF22 Mullard and Tungsram NOS
