(!!!!) (Best GE Pair) 12SN7GTA GE side getter NOS 1976 (11.2/12.2ma and 11.2/12.4ma) (Highest mA and Gm)
(!!!) (Good Value Pair) 12SN7GTA GE side getter NOS 1958-1960's (7.0/7.2ma and 6.7/7.1ma)
(!!!!) (Recommended Pair) 12SN7GTA GE side getter NOS and like new 1961 (8.4/8.6ma and 8.2/8.3ma)
(!!!) (Best Single from 1951) 12SN7GT GE parallel black ribbed plates 1951 (7.6/8.4ma)
(!!!) (Recommended Pair) 12SN7GT RCA black plates NOS 1953-1959 (8.2/8.6ma and 7.7/8.2ma)
(!!!) (Recommended Pair) 12SN7GTA GE branded RCA coin-base NOS 1970's - 1980 (9.2/9.4ma and 9.0/9.2ma)
(!!!) 12SN7GTA Sylvania branded RCA used/good 1967 (10/12.5ma)
(!!) (Recommended Pair) 12SN7GTA RCA black plates NOS 1962 (8.6/10.6mA and 8.6/9.8mA)
(!!) 12SN7GT GE side getter NOS 1953 (7.6/8.2ma)
(!!) 12SN7GTA Tungsol NOS 1960 era (9.2/9.8ma)
(!!!!) (Best Single) 12SN7GTA Sylvania branded GE NOS 1960's (11.0/11.4ma) (same Gm)
(!!!) (Good Value Pair) 12SN7GTA GE NOS and like new 1960-1961 (6.5/8.2mA and 6.5/8.8mA) (same Gm)
12SN7GT RCA branded CHIEF NOS 1963 (8/9.2ma)
12SN7GT RCA NOS 1960 with plate support rods (8.0/8.2ma) 1-2% section balance
12SN7GT Sylvania NOS 1960 (7.5/8.0ma)
12SN7GT Tungsol rebranded Westinghouse "D" getter NOS 1960 era (7/7ma)
12SN7GTA GE branded Westinghouse low hours 1960's (7.0/7.4ma)
12SN7GTA GE Honeywell gray plates used/good 1960's (6.0/6.8ma)
12SN7GTA GE NOS 1961 (8.4/8.4ma)
12SN7GTA RCA coin-base branded GE NOS 1980 (12.2/12.2ma) 1-2% section balance
