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(!!!!) (BEST GE PAIR #2) 5687WB GE NOS rebranded CK-5687WB Raytheon black plates with hint of bronze 1970's (Audio Note, Manley, Modwright, Audion) (36.8/37.4ma and 36.6/35.8ma)
(!!!!) (Best Pair #1) JAN-5842WA Raytheon NOS 1984 original boxes (28ma and 30ma) 1-5% matched
EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (6.1ma)
(!) (Best SIngle) EF95=6AK5 Raytheon Toshiba Japan NOS 1960's (8.6ma)
EF95=6AK5 Raytheon USA NOS 1957 (7.5ma)
(!!) (Recommended Single) 5654=6AK5W Tungsol gray plate NOS 1950's (6.8ma)
(!) (Single) 37 GE smooth plate NOS 1943 (7.1ma)
(!) (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)
(!) (Single) 37 Philco by Sylvania smooth plate tests like new 1940's (8.3ma)
(!!!) (Single) 12BH7 Raytheon Oval Black Plates "D" getter used/good 1950's (7/6.5ma)
(!!) (Pair) 37 Sylvania 1940 era used/good no printing (6.6ma and 6.5ma) (Same Gm) 1-2% matched
(!!!!!) (Best Pair #2) 6J5GT Ken Rad black round black plates NOS 1942 (9.6ma and 10ma) 1-3% matched
(!!!!) (Best Pair #3) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.4ma and 8.0ma) 1-3% matched (Same Gm)
