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329A Western Electric NOS 1966 (1 Pair: 34.5ma and 38ma)
5687WA GE used/tests like new 1970's (44/45ma) (highest Ma and Gm)
5R4GYB RCA NOS 1970 (53/40 and 52/40)
5R4GYB RCA NOS 1970 slightly tilted glass (52/40 and 53/40)
5R4GYB RCA used/strong 1970 (52/40 and 54/40)
5R4GYB RCA used/very good 1964 (51/40 and 54/40)
6DJ8 Amperex Bugle Boy Holland used/like new 1964 (read review)
6DJ8 Telefunken Germany <> bottom used/good 1967 (13.5/14.0ma)
6SJ7 GE used/like new 1966 (3.3ma)
6SJ7 RCA metal can like new 1964 (3.5ma)
6SJ7 RCA used/good 1940's (2.8ma)
6SJ7Y=VT-116B RCA used/tests like new 1943 (3.8ma)
6SJ7Y=VT-116B Sylvania brown bottom like new 1940's (3.7ma)
7687 Sylvania NOS 1962 (sold out)
E83F=6689 Philips Miniwatt SQ Holland NOS 1964 (10.5ma)
E83F=6689 Siemens Holland NOS 1963 (10.6ma)
E83F=6689 Siemens made in Holland NOS 1966 (8.5ma)
EC81 Philips Holland Gold Pins NOS 1966 (28ma)
EM81 Philips Import Holland NOS 1966 (3 in stock)
KT66 GEC UK brown base used/70% 1966 (64ma)
