(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10/7.8ma) (1st series made)
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)
(!!!!) 5AS4A Raytheon "D" getter 1960 era (58/40 and 62/40) (uprated 5U4GB)
(!!!!) 5V4GA RCA NOS 1966 (60/40 and 60/40)
(!!!!) 6AK5 GE NOS 1973 (10.2ma)
(!!!) (#1 6BX7GT RCA single) 6BX7GT RCA NOS 1961 (41/48ma)
(!!!) (Best Overall Pair 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (62-62/40 and 60-62/40)
(!!!) (Best Overall Pair) 6L6 RCA metal can NOS mid-1940's (75ma and 73ma)
(!!!) (Best Pair 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (51-53/40 and 51-54/40)
(!!!) (Best Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (59-60/40 and 60-60/40)
(!!!) (Best Pair) 12BA6 Sylvania NOS 1960's (10.4ma / 10.6ma) 1-3% matched
(!!!) (Best Pair) 5U4GA Raytheon double "D" getters NOS 1956 (57-60/40 and 59-60/40)
(!!!) (Best Pair) 6SL7GT RCA NOS black plates gray coated glass 1959-1960 (2.2/2.3ma and 2.2/2.3ma)
(!!!) (BEST PAIR) JAN-CHS-5933=807W Sylvania NOS 1952-1956 (65.5ma and 67ma)
(!!!) (Best Single 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (55/40 and 58/40)
(!!!) (Best Single 1943) 6X5GT=VT-126B RCA black plates NOS 1943 (56/40 and 59/40)
(!!!) (Best SIngle 1950's) 12AT7 Brimar UK black plates "O" getter halo NOS late 1950's (11.6/12.8ma)
(!!!) (Best Single 1954) JTL-5687 Tungsol black plates "U" getter NOS 1954 (33/36.5ma)
(!!!) (Best Single 1960) 5751 RCA black plates triple mica "D" getter low hours/tests like new 1960 (2.8ma/3.1ma)
(!!!) (Best Single) 12AX7 Amperex Bugle Boy Holland "Long Plates" with "D" getter used/tests like new 1958 (Gm=1700/1800 and 1.6/1.5ma)
