(!!!) (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)
(!!) (Best CBS Single) 6SN7GTB CBS black plates side-getter NOS, the same shape as Sylvania 6SN7GTB 1959 (8.0/8.2ma)
(!!) (Best Value Single) 6SN7GTB RCA branded Bendix Television low hours/like new 1955 side getter (7.2/7.4ma) (Gm like new)
(!!) (Best Value Single) 6SN7GTB RCA used/good 1950's (7.0/7.6ma) (Gm the same)
(!!) (Best Value) 6SN7GTB RCA NOS 1959 side getter (6/8ma)
(!!) (Single) 6SN7GTB GE branded Raytheon NOS 1970's (10/9.6ma)
(!!) (SINGLE) 6SN7GTB Westinghouse Rad-Tel Tube Co. gray plates "O" getter halo NOS 1964 (8.4/7.4ma)
(!!) (Slightly microphonic single) 6SN7GT Brimar UK NOS slightly microphonic 1960 era (6.8/7.8ma)
(!!) 6SN7GT Raytheon taller bottle parallel black plates NOS 1949 (8.2/8.0ma)
(!!) 6SN7GT RCA used/good 1953 (6.6/7.6ma)
(!!) 6SN7GTA RCA branded CAPEHART used/like new 1955 (8.4/9.8ma)
(!!) 6SN7GTA Sylvania "chrome top" tall bottle used/good 1950 era (6ma/6ma) 1-2% section balance
(!!) 6SN7GTB RCA branded Superior NOS 1960's (7.2/8ma)
(!!) 6SN7GTB Realistic JAPAN NOS tall gray ribbed plates 1960's (8/8.2ma)
