ECC40 Philips NOS made by La Radiotechnique, Chartres/France 1967-1970
ECC83=12AX7 Mullard UK BVA long plates "O" getter like new 1958 (f91 series) (1.2/1.2ma)
ECC84=6CW7 Mullard International NOS 1960 (8.8/12.2ma)
ECC84=6CW7 Mullard Sonotone NOS 1960 (11.2/11.8ma)
ECC84=6CW7 Siemens Germany Sonotone NOS 1959 (11.2/13.8ma)
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)
ECH81=6AJ8 Tungsram Hungary branded Telefunken tests like new 1970's (6.5ma and 10.6ma) (strong Gm)
ECH81=6AJ8 Valvo Germany like new 1960 (6.3ma and 10.6ma)
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)
EF183=6EH7 Amperex Bugle Boy Holland 1960 "D" getter halo (11.5ma)
