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(!!!!!) (Best Pair #1) 6J5GT Ken Rad black round black plates NOS 1942 (11.8ma and 12ma) 1-2% matched
(!!!!!) (Best Pair) KT66 GEC UK NOS and like new 1964-1967 (91.4ma and 92ma)
(!!!!!) (Best Single #1) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (10.8/8.9ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)
(!!!!!) (Best Single #2) 6SN7GTB Tungsol TALL bottle NOS "O" getter 1960 era (7.6/7.6ma)
(!!!!!) (Best Single 1954) 6V6GT RCA black plate coated glass NOS 1954 (42.5ma) (Fender, Swart, Clark, Victoria, Ampeg, Silvertone amps)
(!!!!!) (Best Single) 6SN7GTB Tungsol TALL bottle NOS "U" getter 1957 (8.8/9.0ma)
(!!!!!) (Best Value Pair) ECC83=12AX7 Philips Miniwatt Holland used/tests like new 1968-1970 (1.2/1.3ma and 1.4/1.1ma) 1-3% matched
(!!!!!) (Recommended Pair) 6350 Sylvania black plates NOS 1960 era "D=SQUARE" getter (9.4/8.2ma and 10.2/8.4ma)
(!!!!!) (Single) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (9.8/14.2ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver)
(!!!!) (Best GE Single) 6350 GE NOS 1960's (12.2/12.8ma) (same Gm)
(!!!!) (Best Overall Pair) 6SL7GT RCA NOS black plates gray coated glass 1950's (2.3/2.4ma and 2.2/2.4ma)
(!!!!) (Best Overall Quad) 6106 Bendix 1950's rebranded 5Y3WGTA Heintz & Kaufman NOS (matched quad) 1-3% matched
(!!!!) (Best Pair #1) 6SN7GTB Sylvania chrome top NOS 1955-1956 (7.0ma/7.4ma and 7.8/7.6ma) (close Gm) (Schiit Freya, Rogue)
(!!!!) (BEST PAIR #2) 5U4GB RCA NOS 1972-1975 era (59-60/40 and 60-60/40) 1-2% matched (best sound)
(!!!!) (Best Pair #3) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.4ma and 8.0ma) 1-3% matched (Same Gm)
(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)
(!!!!) (Best Pair) 6BL7GT GE "D" getter NOS 1957 same build (34/36ma and 37/32ma)
(!!!!) (Best Single #1) 5881 Tungsol branded CBS NOS 1961 (88ma)
(!!!!) (Best Single #2) 6X5GT Philips Miniwatt Australia NOS 1940's (50/40 and 50/40)
(!!!!) (Best Single) 12BH7A Sylvania Silvertone gray oval plates large "D" getter halo 1950's NOS (13.6/12.4ma)
