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6384 Tungsol used/good 1960's (63.5ma)
6AU5GT RCA gray plates NOS 1960 (57ma)
6AU5GT RCA gray plates NOS 1960 (66ma)
6AX4GTB Tungsol used/good 1950's (48/40)
6BQ5 RCA gray plate used/good 1967 (32.6ma)
6BQ5 RCA Magnavox gray plate used/good 1961 (44ma)
6BQ5 RCA used/good 1970 (40ma)
6CB5A RCA NOS 1973 (74ma)
6CB5A RCA NOS 1973 (86ma)
6CB5A RCA NOS faded 1970 (113ma)
6DJ8 Amperex Bugle Boy Holland used/like new 1964 (read review)
6FW8 RCA "D" getter NOS around 1960
6X4 Philco used/good 1949 (46/40 and 47/40)
930 RCA used 1960
ECC84=6CW7 Mullard International NOS 1960 (8.8/12.2ma)
EF89=6DA6 Philips Miniwatt Holland used/good 1960 (7.6ma)
EF89=6DA6 Telefunken Germany <> bottom used/good 1963 (6.6ma)
