(!!!!!) (Good Value Pair) 6SN7GTA Ken Rad black plates NOS "U" getter halo 1951 slightly tilted glass (10.0/10.2ma and 9.0/9.8ma)
(!!!!) (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)
(!!!!) (Recommended Pair) 6SN7GTB GE NOS 1964-1965 (7.4/8.0ma and 7.8/8.8ma) (smooth) (Schiit Freya, Rogue)
(!!!) 6SN7GT Raytheon parallel plates NOS 1953 (8.5/10ma)
(!!) 6SN7GT Raytheon taller bottle parallel black plates NOS 1949 (8.2/8.0ma)
