(!!!) (#2 19J6 Pair) 9J6 RCA NOS 1950's - 1960's same internal plate structure, different getter halo shape
(!!!) (1 Pair) 6J7 RCA Radiotron used/good 1940's (1.7ma and 1.8ma)
(!!!) (1 Pair) 6SH7GT Ken Rad 1950's rebranded Raytheon NOS 1970 (9ma and 9ma) 1-2% matched
(!!!) (1 Pair) 6SH7GT National Union branded Raytheon NOS 1940's (9.5ma and 10ma)
(!!!) (Best 5-Star) 5814A=12AU7 GE Electronic Secretary "5 STAR" triple mica NOS 1960 (10.8/10.4ma) (Same Gm)
(!!!) (Best Balloon 50) 450=50 Sparton Balloon tests like new 1930 era (61.5ma) (High mA and Gm) (rare 50)
(!!!) (BEST EM87) EM87 Valvo Germany branded Telefunken Germany NOS 1961 (2 in stock)
(!!!) (Best GE Pair) 12AZ7A GE gray plates NOS 1970's (10.6/10.0ma and 11.2/9.8ma)
(!!!) (Best Overall Pair) 6JS6C Sylvania Zenith and Sylvania NOS same build (104ma and 107ma)
(!!!) (BEST OVERALL PAIR) 6LR6 GE NOS 1970 era (100ma and 102ma)
(!!!) (Best Overall Pair) EL36 Germany NOS 1960's (107ma and 110.5ma)
(!!!) (Best Overall Pair) EL36 Haltron Japan clear top NOS 1960's (94ma and 93.5ma)
(!!!) (Best Overall Pair) JHS-6J6WA Sylvania NOS "D" getter halo 1960 (9.8/10.4ma and 9.8/10.5ma) (Highest Ma and Gm) 1-2% matched
(!!!) (Best Overall Single) E80F=6084 Miniwatt SQ Holland Special Quality Gold Pins "D" getter NOS 1960 (3.2ma)
(!!!) (Best Overall UV-99) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (3.4ma) (highest Ma) (UV have small pins)
(!!!) (Best Pair #1) 6146B RCA NOS 1968-1970's (96.5ma and 100ma)
(!!!) (Best Pair #2) 448A Western Electric "tipped top" used/tests like new D getter halo 1965-1966 reboxed (30ma and 31.8ma) (close Gm matching)
(!!!) (Best Pair #2) 6CW4 RCA NOS 1963-1968 (112/60 and 108/60)
(!!!) (Best Pair #3) 448A Western Electric tipped top used/good 1965-1966 (28ma and 29.2ma) (same Gm)
(!!!) (Best Pair #3) 6CW4 RCA NOS 1961-1965 (103/60 and 102/60)
