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(!) (4th Best Pair) 6FY5=EC97 GE and Sylvania NOS made in JAPAN same build (12ma and 14ma)
5879 RCA triple mica "O" getter halo used/tests like new 1962 (1.5ma)
(!) (Single) 6FY5 International Japan NOS 1960's (19.2ma)
(!) (Single) 6FY5 Sylvania branded GE NOS (10.8ma)
(!) (Single) 6FY5 Sylvania NOS 1960's (13.6ma)
(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (8.6/11.8ma)
(!!) (Best Pair) 6AF4 RCA NOS 1970's (23.5ma and 23.8ma)
(!!) (Pinched Waist 1959) E80F=6084 Philips Miniwatt Holland PQ "Pinched Waist" with "D" getter like new 1959 (3.0ma)
(!!!) (Pair) 6AF4 Sylvania NOS 1960's (77-78/60)
(!) (PAIR) 6HK5 Sylvania branded Dumont NOS 1964-1969 (92/60 and 93/60)
6AF4 Tungsol "D" getter NOS 1950's (15.8ma)
(!!!) (Best Pair) 6AU6A Channel Master Hitachi Japan NOS D getter 1960 (8.6ma and 9.2ma)
(!!!) 6SN7GTB Tungsol brown base "U" getter used/good 1950's (7.0/8.2ma)
6KA8 Raytheon Japan NOS 1970's (20 in stock)
(!) (2nd Best Pair) JHS-6AU6WB Sylvania NOS 1963-1964 (6.0ma and 6.5ma)
(!) (Best Single) JHY-6AK5 Hytron black plate NOS 1952 (8.1ma)
6AK5 Westinghouse NOS 1970 (5.8ma)
(!!!!) (Best Value Pair) EC92=6AB4 Telefunken Germany <> bottom NOS 1964-1965 (7.3ma and 7.0ma) (same Gm) (mic)
(!!!!) (BEST PAIR #2) 6C4WA GE JAN NOS 1980-1982 (8.4/8.4ma) 1% matched
(!!!!) (BEST PAIR) 6C4WA GE JAN NOS 1973-1980 (8.4/8.2ma)