(!!!!) (Best Mullard Single) 12AU7A Amperex by Mullard UK NOS ribbed plates 1974 (10.6/11.6ma) (DAC, linestage)
(!!!) (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)
(!!) (Recommeded Pair) 6BX7GT GE branded NOS "D" getter 1958 - 1 tube branded RCA (72ma/95ma and 92/87ma) (highest mA and Gm)
(!) Best Single) 6LU8 GE Admiral NOS 1960's (2.5/61ma)
(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 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)
