(!!!!!) (Best Overall Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.6ma and 10.3ma) 1-3% matched
(!!!!!) (Best Overall Pair) 6J5GT Raytheon black ribbed plate NOS 1950 era (9.2ma and 9.0ma) 1-2% matched
(!!!!!) (Best Pair) 6EM7 Sylvania coin-base NOS 1970's (2.2ma/60ma and 2.0ma/61ma)
(!!!!!) (Best Quad #1) 6J5GT Sylvania lightning logo NOS 1945-1946 (8.0/8.0/8.0/8.2ma)
(!!!!!) (Best Quad #3) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.2/7.3/7.3/7.4ma)
(!!!!!) (Best Quad #4) 6J5GT Sylvania lightning logo NOS 1945-1946 (6.8/7.0/7.0/7.0ma)
(!!!!!) (Best Single) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 tests like new (2.7/2.7ma) (1-2% section balance)
(!!!!!) (READ REVIEW) 6J5GT Raytheon black ribbed plate NOS 1950 era (9.2ma and 9.2ma) 1-2% matched
(!!!!!) (Recommended Pair) 6EM7 Sylvania coin-base NOS 1970's (1.8ma/40ma and 2.3ma/43ma)
(!!!!!) (Recommended Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.0ma and 8.4ma)
(!!!!!) (Set of 4) 6J5GT Raytheon black ribbed plate NOS 1950 era (set of 4 tubes between 7-10ma)
(!!!!) (2nd Best Pair) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/test like new faded printing (2.6/2.7ma and 2.7/2.8ma) 1-3% matched (Same Gm)
(!!!!) (Best KR Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (9.8ma and 9.4ma)
(!!!!) (Best Overall Pair) JAN-5755 Raytheon Black Plates NOS 1973-1979 (1.9/2.0ma and 1.9/1.9ma) (Highest mA and Gm) 1-2% matched
(!!!!) (Best Overall Pair) JAN-6528A Raytheon NOS 1978 (132/138ma and 143/144ma)
(!!!!) (Best Pair #1) 6J5GT Ken Rad black ribbed plates NOS 1942 (10.8ma and 11.2ma)
(!!!!) (Best Pair #2) 5842Q Raytheon NOS 1983 (23ma and 24ma) 1-3% matched
(!!!!) (Best Pair #2) JAN-5755 Raytheon Black Plates NOS 1973 (1.6/1.7ma and 1.7/1.8ma) (High Gm)
(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (27ma and 29.5ma)
(!!!!) (Best Pair) 5842Q Raytheon NOS 1983 (35ma and 37ma)