(!!!!) (Best Pair #1) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.8ma and 11.2ma)
(!!!!) (BEST PAIR 1960's) 6DJ8 Sylvania NOS 1960's (17.0/17.8ma and 14.5/19ma)
(!!!!) (Best Pair) 0A3 GE NOS 1956-1961 (neon)
(!!!!) (Best Pair) 1L6 Sylvania NOS 1950 same date codes (20/16 and 19/16)
(!!!!) (Best Pair) 27 Philco by Sylvania NOS 1940's (6.1ma and 6.1ma) 1% matched
(!!!!) (Best Pair) 27 Philco by Sylvania NOS 1940's (6.3ma and 6.3ma) 1% matched
(!!!!) (Best Pair) 5V4GA GE NOS (60-60/40 and 60-60/40)
(!!!!) (Best Pair) 5V4GA GE NOS (60-60/40 and 60-62/40)
(!!!!) (Best Pair) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (16.8/17.8ma and 16.8/18ma) 1-2% matched
(!!!!) (Best Pair) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (17.2/20.6ma and 17.0/21ma) 1-3% matched
(!!!!) (BEST PAIR) 6DJ8 Sylvania branded GE NOS 1961-1962 (21.6/23ma and 21.5/22ma)
(!!!!) (Best Pair) 6J5GT Raytheon metal base black ribbed plate NOS 1940's (8.2ma and 8.4ma) (1-3% matched)
(!!!!) (Best Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.8ma and 7.7ma)
(!!!!) (Best Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.8ma and 8.6ma) (same Gm)
(!!!!) (Best Pair) 7189 Sylvania black plates NOS 1970 era (42ma and 46ma)
(!!!!) (Best Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (54-64/40 and 57-62/40)
(!!!!) (Best Pair) GB-6005 Sylvania Gold Brand Gold Pins NOS coated glass 1960's (47ma and 48ma) (best sound)
(!!!!) (Best Pair) JAN-12AT7WC Philips by Sylvania black plates NOS 1982 (9.8/10.6ma and 10.8/10.5ma)
(!!!!) (Best Pair) JAN-12AT7WC Sylvania black plates NOS 1975-1980 (10/8.6ma and 10.2/9.2ma)
(!!!!) (Best Pair) JAN-6189=12AU7WA Sylvania NOS 1972-1973 (9.3/10.4ma and 9.6/10.6ma) 1-3% matched