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(!!) (Recommended Pair) ECL86=6GW8 Mullard UK branded GE and Sylvania NOS 1970 (1.5/1.2ma and 43.5/40ma)
(!!) (Recommended Pair) ECL86=6GW8 Mullard UK NOS 1964 and 1973 same build (1.5/1.3ma and 31/30ma)
(!!) (Recommended Single 1961) JLRV-12AT7WA=6201 GE Canada gray plates triple mica "U" getter NOS 1961 (9/12ma)
(!!) (set of 4) JG-5725=6AS6W GE "D" getter NOS 1956-1957 (4 tubes for $10.99)
(!!) (Single) 5U4GA GE "D" getter used/good 1954 (51/40 and 52/50)
(!!) (Single) 5U4GA GE "D" getter used/tests like new 1955 few small scrapes on base (58/40 and 59/50)
(!!) (Single) 5U4GA GE GM Delco "D" getter used/tests like new 1950's (54/40 and 55/50)
(!!) (Single) 6AQ5A GE NOS 1963 (45ma)
(!!) (slightly microphonic) 12AX7 Sylvania Zenith black ribbed plates "D" getter NOS/80% 1953 (Gm=1300/1400 and 0.9/1.0ma)
(!!) (~ Recommended Pair ~) 6JD6 GE branded RCA NOS same date codes (13ma and 14ma)
(!!) 6350 RCA NOS triple mica "U" getter NOS 1960 era (12.8/13.2ma)
(!!) 6AN8A RCA NOS 1960's (13.2/12.8ma)
(!!) 6AN8A RCA NOS 1970 era (16.6/13.4ma)
(!!) 6E5 RCA NOS 1945-1949 (2 in stock)
(!!) 6E5 RCA NOS 1960's very slightly tilted glass (bright eye)
(!!) 6E5 RCA NOS 1961 (bright eye)
(!!) 6E5 RCA NOS early 1970 era (bright eye) (2 in stock)
(!!) 6E5 Sylvania NOS 1940's (2 in stock)
(!!) 6EW7 GE PHILCO BIG BOTTLE black plates NOS 1964 (4.8/62ma)
(!!) 6JE6B GE low hours/tests like new 1968 (137ma)