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(!!!!!) (Best Pair #1) 5U4GB HYTRON NOS 1960 "O" getter halos (56-58/40 and 57-58/40)
(!!!!!) (Best Pair) 5U4GB CBS NOS 1959 (56-60/40 and 56-58/40)
(!!!!!) (Best Single) 6V6GT GE NOS 1962 (47.5ma)
(!!!!!) (Best Single) 6V6GT GE NOS 1964 (53.6ma)
(!!!!!) (BEST VALUE PAIR #3) 6SN7GTB GE coin-base NOS 1979 same date codes (8.4/8.2ma and 7.4/7.4ma) (Schiit Freya, Rogue)
(!!!!!) (Best Value Single) 6V6GTA GE NOS 1960's slightly tilted plate and glass (41.5ma)
(!!!!) (BEST PAIR) 6DN7 GE branded GE and CBS NOS 1959 same build (46.4/46.5ma and 8/9ma)
(!!!!) (BEST PAIR) 6F8G=VT-99 Raytheon NOS 1945 era (8.6/10.2ma and 9.8/9.0ma)
(!!!!) (BEST PAIR) 6SN7GTB CBS SHORT BOTTLE NOS 1961 same date codes (8.4/8.5ma and 8.2/8.9ma) (similar to Sylvania) (Close Gm) (Schiit Freya, Rogue, Cary)
(!!!!) (Best Pair) 6V6GT GE coated glass NOS 1952-1954 (46.8ma and 47.5ma)
(!!!!) (Best Single #1) 5692 CBS Hytron Brown base NOS 1957 (8.0/8.4ma)
(!!!!) (Best Single #1) 5881 Tungsol branded CBS NOS 1961 (88ma)
(!!!!) (Best Single 1956) ECC82=12AU7 Siemens Halske "Long Ribbed Plates" and large/wide "U" getter branded Haltron 1956 (10/9.2ma) (k62 series) (High Gm) (rare)
(!!!!) (Best Single) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952 (9.3/11ma)
(!!!!) (Good Value Pair) 6V6GTA RCA used/good 1962 and 1970's (30ma and 31.5ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1952 (9.4/11.4ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1954 (6.0/6.4ma)
(!!!!) (RCA Single) 6F8G RCA round black plates tests like new 1940-1945 no printing (9.6/9.8ma) (1st series made)
(!!!!) (Recommended Pair) 7N7 Sylvania branded GE chrome top NOS 1954-1956 (7.4/7.0ma and 7.4/7.2ma) 1-2% matched
(!!!) (BEST PAIR) JHY-0B2WA CBS NOS 1960 (neon gas) (1 pair)