(!!!!!) (Recommended Pair) 12BH7A GE gray oval plates "O" getter 1965-1966 same build (10.0/10.2ma and 12/11ma)
(!!!!) (Best Mullard Single) 12AU7A Amperex by Mullard UK NOS ribbed plates 1974 (10.6/11.6ma) (DAC, linestage)
(!!!!) (Recommended Pair) 5V4G RCA NOS 1948-1950 some stains on glass (57-58/40 and 58-58/40)
(!!!) (Best Pair) 6BL7GTA GE NOS 1981 (36.5/38.5ma and 37.5/38.2ma)
(!!!) (Best Pair) 6K6GT CBS black plate NOS 1960 era (48.5ma and 50ma)
(!!!) (BEST PAIR) 6K6GT Sylvania coated glass NOS 1940's (1) branded Philco (44ma and 44.6ma)
(!!!) (Recommended Pair) 12BZ7 National Union branded Admiral and Sylvania "U" getter NOS 1960-1961 era (1.6/1.6ma and 1.7/1.8ma)
(!!!) (Recommended Pair) 6BL7GTA GE and GE branded Admiral 1960's (38/40ma and 35/45ma)
(!!!) 5V4G Sylvania NOS 1954 (56/40 and 56/40)
(!!) 6BX7GT GE branded RCA NOS "D" getter 1958 (70ma/95ma)
(!) (BEST SINGLE) 6BL7GTA Tungsol NOS 1960 era (50/54ma)
(Best Value) 5V4G RCA black plates used/very good 1948 (54/40 and 57/40)
(Best Value) 5V4G RCA Victor black plates used/very good 1948 (53/40 and 54/40)
17DQ6B used/good (4 in stock)
5U4G Crosley Sylvania used/good 1950 (55/40 and 56/40) stains at top from usage
6K6G Cunningham used/very good 1945 era (41.6ma)
6K6GT Sylvania black plate NOS 1960's (38.5ma)
6K6GT Sylvania chrome top black plate lightning logo NOS 1954 (54.6ma)
6LU8 GE NOS 1979 (2.3/51ma)
6LU8 GE NOS faded printing (3.4/61ma)