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(!!!) (Best Single #2) 7247=12DW7 Mullard UK rebranded RCA NOS 1969 (1.2ma and 9.2ma) (Copy)
(!!!) (Best Single #3) 8417 Sylvania NOS 1970 era (106.5ma)
(!!!) (Best Single #4) 8417 Sylvania NOS 1970 era (80ma)
(!!!) (Best Single 1953) 12AX7 GE gray ribbed plates "D" getter 1953 like new (Gm=1600/1600 and 1.1/1.0ma) (1st version)
(!!!) (Best Single 1953) JG-5814 GE NOS "square getter halo" and "short wide ribbed dark black plates" 1953 in white box (11.0/12.5ma)
(!!!) (Best Single 1956) 12BH7A GE gray oval plates NOS "U" getter 1956 (10/9.8ma)
(!!!) (Best Single from 1951) 12SN7GT GE parallel black ribbed plates 1951 (7.6/8.4ma)
(!!!) (Best Single) 2C51=5670 Sylvania NOS 1970's (8.8/8.4ma)
(!!!) (Best Single) 5751 GE 5 Star NOS 1965 (2.6/2.5ma) 1-3% section balance
(!!!) (Best Single) 5BK7A RCA branded Raytheon black plates NOS 1960's (14/14.3ma) (Highest Ma and Gm)
(!!!) (Best Single) 5U4GB Hytron NOS "O" getter halo 1960 era (59/40 and 60/40)
(!!!) (Best Single) 5V4GA RCA black plates NOS 1958 slightly tilted glass (62/40 and 62/40)
(!!!) (Best Single) 6350 RCA black plates NOS "O" getter NOS 1960's (16.0/16.2ma) (Highest Ma and Gm)
(!!!) (Best Single) 6386 GE branded RCA NOS 1968 (10.2/10.8ma) (sold out)
(!!!) (Best Single) 6BQ5 Sylvania black plate NOS 1950's (55.5ma)
(!!!) (Best Single) 6BX7GT RCA NOS 1967 (48ma/49ma)
(!!!) (Best Single) 6BX7GT Sylvania "O" getter NOS 1960's (73.6ma/83.3ma)
(!!!) (Best Single) 6BX7GT Sylvania Motorola triple mica "O" getter NOS 1963 (73.6ma/75.6ma) (close triode balance)
(!!!) (BEST SINGLE) 6CA4=EZ81 GE NOS 1970 (55/40 and 55/40) 1% section balance
(!!!) (BEST SINGLE) 6F6G RCA NOS 1950's (45.5ma)
