6SA7GT RCA NOS 1950's (95/60)
6SK7 Ken Rad metal can NOS 1950 (9.2ma)
(!!!) (Good Value Pair) 6350 Sylvania black ribbed plates "U" getter used/good 1957 (9.6/9.3ma and 9.5/9.8ma) 1-3% matched (same Gm)
(!!!) (Single 1958) 12AX7=ECC83 Siemens Germany long plates "o" getter halo 1958 used/good (0.8/0.9ma and Gm=1400/1400)
(!!!) (Best Single 1953) 12AX7 GE gray ribbed plates "D" getter 1953 like new (Gm=1600/1600 and 1.1/1.0ma) (1st version)
(!!) (Recommended Pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 (9.0/9.4ma and 9.2/8.0ma) (McIntosh MC275)
56 Sylvania NOS 1940's (5.5ma)
(!!!!) (3rd Best Pair) JAN-CRP-5814WA Raytheon red tip black plates triple mica "D" getter like new 1958 (8.2/9.0ma and 9.4/8ma) (rare)
(!!!!) (Best Pair) JAN-CRP-5814WA Raytheon red tip black plates triple mica "D" getter like new 1958 (9.4/10ma and 9.6/9.4ma) (rare)
(!!!) (Best Value Single) 12AX7=ECC83 SIEMENS HALSKE GERMANY used/good 1966 (0.8/0.9ma)
(!!!) (Recommended Single) 12AX7WA=E83CC SIEMENS HALSKE GERMANY triple mica used/tests like new 1969 (1.2/1.0ma)
(!!!!) (2nd Best Single 1950's) ECC33=6SN7GT Mullard black plates platter getter halo NOS 1950-1955 (8.3/7.5ma)
(!!!!) (2nd Best Pair) JAN-CRP-5814WA Raytheon red tip black plates triple mica "D" getter like new 1958 (8.6/9.8ma and 9.4/8.2ma) (rare) (same Gm)
