(!!!!) (Recommended Pair) 417A Western Electric NOS 1980 (32ma and 34ma)
(!!!!) (Recommended Pair) 6C4C=6B4G Russian NOS 1958-1967 (79ma and 85ma) (one of the best sounding 6B4G ever made)
(!!!!) (Recommended Pair) ECC82=12AU7 Telefunken Diamond Bottom ribbed plates used/tests like new 1960's (9.2ma/8.4ma and 9.3/9.4ma)
(!!!!) (Recommended Single) 6AS7G RCA gray plates NOS 1971 (74ma/65ma)
(!!!!) (Recommended Single) JAN-6AS7G RCA gray plates NOS 1967 (70ma/90ma)
(!!!!) (Single) 5V4G Ken Rad black plates NOS 1940's (59/40 and 60/40)
(!!!) (Best Holland Single 1960) EL34 Philips Miniwatt Holland brown base NOS 1960 (94.4ma)
(!!!) (Best Holland Single 1961) EL34 Siemens Holland brown base NOS 1961 (88ma)
(!!!) (Best Pair) 5V4G Sylvania NOS 1945 (62-62/40 x 2 tubes) 1% matched
(!!!) (BEST PAIR) 7AF7 Sylvania NOS gray round plates NOS 1950-1958 (8.5/8.7ma and 9.2/9.2ma) 1-5% matched (same Gm)
(!!!) (BEST SINGLE) 866A RCA tests like new 1958 (66/40)
(!!!) (Best Value Single 1958) 12AU7=ECC82 Brimar made for Arkay England ribbed plates 1958 (8.2/10.8ma)
(!!!) (Recommended Pair) JEA-6094 Bendix gold pins NOS 1961 (56ma and 59ma)
(!!!) (SINGLE) 12AU7=ECC82 RT Radio Technique France long plates 1958-1959 (11.6/9.8ma) (close Gm)
(!!!) 5V4G Sylvania NOS 1954 (56/40 and 56/40)
(!!!) 6B4G Tungsol NOS 1940's (81ma)
(!!!) JAN-6B4G Raytheon NOS 1940's (83ma)
(!!) (Good Value Single) EL84 Amperex Holland "D" getter used/75% 1959 (33ma)
(!!) (Good Value Single) EL84 Zenith Holland "D" getter used/65% 1959 (35ma)
(!!) (Good Value Single) EL84 Zenith Holland "D" getter used/very good 1958 (41ma)