(!!!!) (Recommended GE Pair) 6SN7GTB GE NOS 1963-1968 (9.7/9.8ma and 9.0/8.6ma) (close Gm) (Schiit Freya, Rogue)
(!!!!) (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)
(!!!!) (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
(!!!!) (Single) 5692 RCA RED BASE black plates used/good 1953 (7/8ma) (Schiit Saga+)
(!!!!) (Single) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" 1945 low hours like new in Admiral box (7.8/9.8ma)
(!!!) (Best Single) 6SN7GT Tungsol parallel gray plates NOS 1953 (10.4/9.6ma)
(!!!) (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) 6SN7GTB RCA coin-base 1973-1974 (9.8/9.8ma) 1-2% section balance
(!!!) (Best Value Pair) 6SN7GT RCA NOS and used/very good 1953-1954 same build (7.0/8.5ma and 6.6/7.6ma)
(!!!) (BEST VALUE PAIR) 6SN7GTB RCA coin-base 1970-1975 (10.4/9.6ma and 9.4/10.6ma)
(!!!) (Best Value Pair) 6SN7GTB RCA coin-base black plates 1970-1975 (8/10ma and 9.8/8ma)
(!!!) (Best Value) 6SN7GT Sylvania used/good 1951 (7.8/12ma)
(!!!) (Good Value Single) 6SN7GTB Tungsol tall bottle used/good 1960 era (7.5/7.5ma) 1% section balance
(!!!) (Recommended Single) 6SN7GTA Westinghouse black plates "D" getter halo NOS 1950's (8.6/9.6ma) (rare)
(!!!) (Recommended Single) 6SN7GTB Sylvania NOS 1960's (7.2ma and 6.6ma)
(!!!) (Single) 6SN7GTA Westinghouse USA black plates NOS 1950's (7.0/7.6ma)
(!!!) 6SN7GT Raytheon parallel plates NOS 1953 (8.5/10ma)
(!!!) 6SN7GTB Tungsol brown base used/good 1950's (7/7.6ma)
(!!!) 6SN7GTB Westinghouse black plates copper grid posts "D" getter 1950's (7.2/8.4ma)