6C4WA Sylvania NOS 1965 and 1971 (read review)
6DA5=EM81 Matsushita Japan NOS 1960's (3 in stock)
6DL5=EL95 GE East Germany NOS 1960's (18.5ma)
6DL5=EL95 Telefunken Germany <> bottom used/good 1964 (21ma)
6EJ7 GE NOS (7.3ma)
6EJ7 RCA by Siemens Germany NOS 1971 (10ma)
6EJ7 RCA by Siemens Germany NOS 1972 (12.4ma)
6EJ7 RCA East Germany NOS 1970's (13.5ma)
6EJ7 Sylvania NOS (10.2ma)
6EJ7 Sylvania NOS (9ma)
6EJ7 Zaerix East German NOS 1970's (12ma) strong single
6FC7=ECC89 Mullard branded Philips NOS 1975 (sold out)
6KV6A GE NOS (38.5ma)
7581 Tungsol brown base used/75% 1964 (52.5ma)
7581A GE branded RCA NOS 1974 (59.5ma)
7581A GE branded RCA used/good 1973 (56ma)
7581A GE NOS 1979 (76ma)
7581A GE NOS 1979 (87ma)
7581A GE used/good 1974 (59ma)
7586 Philips Nuvistor NOS (1 in stock)
