(!!!!) (Single) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" 1945 low hours like new in Admiral box (7.8/9.8ma)
(!!!) (Recommended Single) 6SN7GTB Sylvania NOS 1960's (7.2ma and 6.6ma)
(!!!) (Recommended Single) 6SN7GTB Sylvania used/tests like new 1960's (8.2ma and 7.6ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1954 (6.0/6.4ma)
(!!!!!) (Best Overall Pair) 6SN7GT Tungsol parallel gray plates large O mica NOS 1952-1953, 1 tube has crack in base (8.8/8.2ma and 8.8/8.2ma) 1-2% matched (Cary, Rogue)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 (10.4/9.6ma)
(!!!!!) (Best Pair) 6SN7GT Tungsol parallel gray plates 1954 (8.7/7.5ma and 8.0/7.5ma) (very close Gm) (Cary, Rogue)
(!!!!) (Best Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1951-1952 (10.4/12.2ma and 10.6/10.8ma)
(!!!!) (Best Value Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1953-1954 (6.6/6.0ma and 6.0/6.8ma)
(!!!!!) (Recommended Pair) 6SN7GT Tungsol parallel gray plates large "O" mica ears NOS 1953 (6.4/6.6ma and 6.4/6.8ma) (rare version) (Cary, Rogue)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 burgundy base large "O" mica (9/10ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 large "O" mica (10.4/9.2ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel black plates chrome top NOS 1952-1953 (11.4/11.2ma)
(!!!!) (Best Value Pair) 6SN7GTB RCA NOS and used/good 1955 era same date codes (7.6/7.6ma and 7.1/7.6ma)
(!!!!) (Best Value Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1953 (6.4/7.0ma and 7.0/6.4ma) 1-2% matched
(!!!!) (Recommended Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952-1953 (6.6/7.8ma and 6.6/8.2ma) (close Gm) 1-3% matched
(!!!!) (Recommended Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1951-1953 (7.0/7.8ma and 7.8/7.2ma) (close Gm)
(!!!!) (Best Single) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952 (8.8/7.8ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1952 (9.4/11.4ma)
(!!!) (Best Value Single) 6SN7GT Tungsol parallel gray plates NOS 1953 large "O" mica (7.0/7.2ma)