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(!!!!) (Best Overall Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 49/40 x 2 tubes) 1% matched
(!!!!) (Best Overall Pair) 6SL7GT RCA NOS black plates gray coated glass 1950's (2.3/2.4ma and 2.2/2.4ma)
(!!!!) (Best Overall Pair) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.2/11.5ma and 1.2/11.4ma) 1% matched
(!!!!) (BEST OVERALL Pair) 8068 GE NOS 1983 (46ma and 46ma)
(!!!!) (Best Overall Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (10.2/11.2ma and 10.2/11.2ma) 1% matched (Highest ma and Gm)
(!!!!) (Best Overall Pair) E810F=7788 Amperex PQ USA NOS gold pins 1974 (57ma and 57.5ma)
(!!!!) (Best Overall Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1965 same date codes (9.2/9.5ma) (mic)
(!!!!) (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-CEA-5852=6X5GT Bendix NOS 1953 (65-67/40 x 2 tubes) 1% matched (Best Audio Grade 6X5GT)
(!!!!) (Best Overall Quad) 6106 Bendix 1950's rebranded 5Y3WGTA Heintz & Kaufman NOS (matched quad) 1-2% matched
(!!!!) (Best Overall Quad) 6106 Bendix 1950's rebranded 5Y3WGTA Heintz & Kaufman NOS (matched quad) 1-3% matched
(!!!!) (BEST OVERALL SINGLE) 12AU7A GE NOS 1958 copper grid posts (11.8/11.4ma) 1-3% section balance
(!!!!) (Best Overall Single) 5670W GE JAN NOS 1986 (8.2/8.2ma) (Same Gm) 1% section balance
(!!!!) (Best Overall Single) 5670W GE JAN NOS 1987 (9.6/9.2ma) (Same Gm)
(!!!!) (Best Overall Single) 6C10 GE rebranded Westinghouse NOS 1970 era (Ampeg / Fender) (1.5ma/1.4ma/1.6ma)
(!!!!) (Best Overall Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (11.2/11.7ma) 1-2% section balance (Highest mA and Gm)
(!!!!) (Best Overall Single) CV4004=12AX7 Mullard box plates NOS 1971-1972 (Gm=1600/1700) (1.3/1.5ma)
(!!!!) (Best Overall Single) CV4004=12AX7 Mullard box plates NOS 1981 (1.4/1.4ma and Gm=1800/1800) 1% section balance
(!!!!) (Best Overall Single) EF89=6DA6 Telefunken Germany <> bottom NOS 1966 (10ma)
(!!!!) (Best Overall Single) JAN-5998 Tungsol NOS black plates NOS 1966 same build as 421A Western Electric (113ma/119ma) (close triode section balance)
