(!!!) (Recommended Single) 5881 Tungsol NOS 1950's branded 6L6GB (86ma)
(!!!) (Recommended Single) 5881 Tungsol rebranded Sylvania 1960 era (77.5ma)
(!!!) (Single) 6F8G Tungsol parallel ribbed plates used/good 1940's (7.6/6.7ma)
(!!!) (Single) JAN-CHS-5Y3WGTA Sylvania NOS 1960 (49/40 and 56/40)
(!!!) (Slightly microphonic Single) 12BH7A CBS Oval Black Plates "U" getter NOS 1960 era (8.4/9.0ma)
(!!!) 6V6G RCA used/good 1940's (33.5ma)
(!!!) 6V6G RCA used/good 1940's (38.4ma)
(!!!) 6V6G RCA used/good 1940's (42ma)
(!!!) 6V6GT Tungsol black plate coated glass used/good 1940's hairline crack in base (44ma)
(!!!) 80 RCA Victor NOS 1948 (56/40 and 58/40)
(!!) (Best CBS Single) 6SN7GTB CBS black plates side-getter NOS, the same shape as Sylvania 6SN7GTB 1959 (8.0/8.2ma)
(!!) (Best Pair #1) 6V6GT GE coated glass NOS 1952-1953 (44ma and 44ma)
(!!) (Best Pair #2) 6V6GT GE coated glass NOS 1951-1953 (47ma and 48ma)
(!!) (Best Pair #3) 6V6GT GE coated glass NOS 1952-1953 (44ma and 45.2ma)
(!!) (Best Value Pair) 6BL7GTA GE NOS and like new 1960's same build (41.5/43ma and 44/46ma) (Highest Ma)
(!!) (Good Value Single) JAN-CG-6SN7GT GE NOS 1953 (9.6/8.5ma)
(!!) (Recommended Pair) 0B2 Haltron France like new 1961 (argon gas)
(!!) (Recommended Pair) 6V6GTA GE NOS 1970's (39ma and 40.7ma)
(!!) (Recommended Single) 5Y3GT Hytron NOS 1951 (56/40 and 60/40)
(!!) (Recommended Single) 6V6GT GE coated glass NOS 1952 (56ma)
