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(!!!!!) (Best Overall Pair) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.6ma/1.5ma/1.4ma) and (1.5ma/1.8ma/1.4ma)
(!!!!!) (Best Pair #2) 6C10 GE rebranded Westinghouse NOS 1970 era (Ampeg / Fender) (1.3ma/1.4ma/1.2ma) and (1.3ma/1.2ma/1.1ma)
(!!!!!) (Best Pair #3) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.0ma/1.3ma/1.2ma) and (1.1ma/1.4ma/1.4ma)
(!!!!) (Best Pair #1) 7868 Sylvania tipped top used/tests like new 1960's (65ma and 66ma) (strong mA and Gm)
(!!!!) (Best Single #1A) 6C10 RCA branded Westinghouse NOS 1971 (Ampeg / Fender) (1.4ma/2.0ma/1.5ma) (Strongest Single)
(!!!) (Best RCA Single) 7199 RCA Black Plates NOS 1972 (14/10ma)
(!!!) (Best Single #2) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.0ma/1.5ma/1.2ma)
(!!!) (Single) 7199 RCA Black Plates NOS 1964 (10.2ma pentode, 12ma triode)
(!!!) (Single) 7199 RCA Black Plates NOS 1970 era (10.6/8.6ma)
(!!!) (Single) 7868 RCA gray plate used/75% 1970 era (47.6ma)
(!!!) (Single) 7868 RCA gray plate used/75% 1970 era (47ma)
(!!) (Best Value Single) 7199 Sylvania branded GE NOS 1966 (10ma/8.6ma)
(!) (SINGLE) 7027A RCA NOS 1968 (64ma)
(!) (SINGLE) 7027A RCA NOS 1968 (85ma)
(!) (Single) 7591 EICO Westinghouse used/70% 1961 top edge of base is chipped (42ma and Gm=7350)
(Best Single) 7868 GE branded RCA NOS 1970's (62ma)
(READ RERVIEW) 6K11=6Q11 GE branded Westinghouse NOS 1960's (88/80, 91/60, 84/60)
6K11=6Q11 GE branded Admiral NOS 1964 (85/80, 90/60, 86/60)
6K11=6Q11 GE NOS 1971 (86/60, 89/60, 85/60) (triple triode)
6U10 Sylvania NOS in white box (
