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(!!) 6K6GT Philco by National Union coated glass 1953 (46.5ma)
(!!) 6K6GT Philco by Sylvabia NOS 1950-1951 (49ma)
(!!) 6SN7GTA Crosley Sylvania "chrome top" used/good 1954 (6.8ma/7.4ma)
(!) (BEST SINGLE #2) GZ32 Miniwatt Dario France NOS around 1955 slightly tilted glass (61/40 and 62/40) very small rattle inside base
(!) 6L6Y RCA metal can (Y=brown bottom) NOS 1955 (78.8ma)
(READ REVIEW) 12AX7 BRIMAR England shiney black ribbed plates "D" getter 1955 (rare)
(READ REVIEW) 6SN7GTB Sylvania chrome top black plates 1956-1958 used/good (7.0/6.8ma and 6.6/6.6ma)
(READ REVIEW) JRP-6X4W Raytheon "D" getter low hours/like new 1952 (66/40 and 68/40)
(slightly microphonic tube) 12AT7 Brimar UK black plates "D" getter halo copper grid posts used/good 1955 era (7.2/8.4ma)
(slightly microphonic) 12BH7 GE Zenith NOS "U" getter 1953 (10.0/10.6ma)
12AZ7 GE black plates "D" getter halo NOS 1955 (11ma/7.5ma)
12SN7GT CBS NOS 1950's (9.0/9.6ma)
12SN7GT Raytheon used/good 1949 (6.2/6.2ma)
407A LM Ericsson Sweden like new 1960's (41/26 and 42/26)
407A LM Ericsson Sweden used/good 1960's
407A Western Electric used/good 1959 (32/26 and 34/26)
407A Western Electric used/good 1962 (35/26 and 42/26)
6L6GB Sylvania Black Plate used/good 1955 faded top getter (65ma) (high Ma and Gm)
6X4 GE like new 1950's "D" getter (54/40 and 54/40)
EL84 Siemens Halske Germany NOS 1967 (45ma)
