(!!!) (Best GE Pair 1956) JG-6021 GE NOS "D" getter halo 1956 (6.3/6.6ma and 6.8/7.1ma) (mil-grade)
(!!!) (Best Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (59-60/40 and 60-60/40)
(!!!) (Best Pair) 6BX7GT GE "D" getter NOS 1954-1956 - 1 tube branded Raytheon (53ma/50ma and 47/52ma)
(!!!) (Best Single 1962) JHS-12AX7 Sylvania NOS 1962 (Gm=2600/2500 and 1.8/1.9ma)
(!!!) (Good Value Pair) CK-6080 Raytheon black plates NOS 1962 (60/79ma and 60/76ma)
(!!!) (Good Value Pair) CK-6080 Raytheon black plates NOS 1962 (66/86ma and 73/86ma)
(!!!) (Good Value Pair) CK-6080 Raytheon black plates NOS 1962 (67/62ma and 67/60ma)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (56-59/40 and 57-60/40)
(!!!) (Recommended Pair 1957) 5Z3G RCA NOS 1957 in gold colored boxes slightly tilted glass (57-61/40 and 57-62/40)
(!!!) (Recommended Pair) 6094 Bendix NOS gold pins 1956 1st series made (49ma and 51.5ma)
(!!!) (Recommended Pair) JEA-6094 Bendix gold pins NOS 1961 (56ma and 59ma)
(!!!) (Recommended Single) 5Z3G RCA NOS 1954 (58/40 and 60/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1957 (57/40 and 58/40)
(!!!) (Recommended Single) 5Z3G RCA NOS 1971 (56/40 and 58/40)
(!!!) (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)
(!!!) (single) ECC81=12AT7 Philips Miniwatt by Mullard UK like new "o" getter 1957 (8.2/7.6ma) (Mitcham plant)
(!!!) (slightly microphonic) ECC81=12AT7 Miniwatt by Mullard NOS 1970 (9.6/10.6ma)
(!!!) 12AU7 RCA tall gray plates "D" getter used/good 1953 (9.2/9.8ma)
(!!!) 12AU7A GE "U" getter low hours/tests like new 1957 (10.0/8.8ma)
(!!!) 12AX7=ECC83 Mullard UK "long plates" with "D" getter used/50-60% (0.6/0.7ma Gm=900/1000 - low Gm) (mC1 series)
