(!) (#1 Type 30 single) 30 RCA Victor NOS 1940's original box (4.3ma)
(!!!) (SINGLE) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (10.6ma/9.2ma)
(!!!!) (BEST PAIR #1) ECC808=6KX8 Telefunken Diamond Bottom NOS 1969 (1.2/1.2ma and 1.3/1.4ma)
(!!!) (Best Single 1957) 12AT7=ECC81 Telefunken Diamond Bottom NOS 1957 (9.2ma/9.8ma) (mic)
(!!!) (Best Pair) 713A Western Electric by Tungsol NOS 1942-1943 (7.1ma and 7.0ma) (713A=717A with black base)
(!!!) (Best Single) 76 Sylvania Philco engraved base NOS 1930's (6.2ma)
(!) (Pair) 417A Western Electric used/good 1977 (12.2ma and 14ma)
(!!!) (Recommended Single) 12AT7 Telefunken Germany <> bottom NOS 1963 (8.6ma/8.0ma)
(!) (#2 231D Best Value Pair) 231D Western Electric NOS 1953 (1.7/1.7ma)
(!) (#2 24 Balloon) 124 Crosley by Arcturus Balloon used/tests like new 1930's (48/25) (3.0ma)
(!!!) (Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.8/1.9ma and 1.8/2.0ma)
(!!!) (BEST PAIR) 6463 GE NOS 1966 (16.8/21ma and 17.6/21.5ma) (Highest mA and Gm)
(!) (#2 6EW7 Single Tube) 6EW7 GE Japan BIG BOTTLE NOS 1960's (5.0/37ma)
(!!!) (Best Value Single) 12AX7=ECC83 SIEMENS HALSKE GERMANY like new 1966 (1.0/1.1ma)
(!) (Single) 12AZ7A Tungsol gray plates "O" getter halo NOS 1960 era (8.4ma/9.0ma)
(!) (Single) 12SN7GTA RCA black plates NOS 1960's (8.4/8.0ma)
(!!) (Single) 2C51 Tungsol black plates "D" getter halo used/good 1960 era (6.4/6.6ma)
5670=2C51 GE black plates "D" getter halo used/good 1950's (7.2/8.0ma) (same Gm)
(!!!!) (Best Pair) 12AU7A RCA clear top NOS 1960's (10/8.5ma and 9.4/8.8ma) (same Gm)
(!!!) (Best Value Single) ECC82=12AU7 Mullard UK NOS 1973 (11.8/10.5ma)
