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EC88 Telefunken Germany NOS 1964 (16ma)
EC88=6DL4 United France NOS 1981-1982 (2 single tubes)
EC88=6DL4 United France NOS/70-75% (1 pair)
EC88=6DL4 Valvo branded Amperex Germany NOS 1972 (11.5ma)
ECC83=12AX7 Mullard UK BVA long plates "O" getter like new 1958 (f91 series) (1.2/1.2ma)
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)
EF40 Mullard France NOS 1961 (3.7ma)
EF40 Philips France NOS 1966 (2 in stock)
EF41 European Brands NOS (4 in stock)
EF83 Telefunken <> bottom Germany NOS 1962 (4.0ma Gm=1800)
EF83 Valvo Germany NOS 1962 (4.7ma Gm=1800)
EF85 Philips Miniwatt Holland NOS "D" getter 1961 (3 in stock)
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)
EF92 Mullard England used/good 1958 (80/60)
EL12 Telefunken used/tests like new 1951 (74ma)
