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(!!) (~ Recommended Pair ~) 6JD6 GE branded RCA NOS same date codes (13ma and 14ma)
(!!) 12AX7 GE branded Video black plates D getter 1957 used mis-matched triode sections (1.1ma/0.6ma)
(!!) 12BH7A Westinghouse black plates "U" getter used/good 1950's (6.2/7.2ma)
(!!) 12BY7 Sylvania coated glass NOS 1953 faded printing (21.5ma)
(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)
(!!) 5R4GYA GE brown base NOS 1962 (52/40 and 54/40)
(!!) 5R4GYA GE Hewlett Packard brown base "D" getter halo NOS 1959 (51/40 and 52/40)
(!!) 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)
(!!) 6AQ5A GE Johnson Electron tube NOS 1962 (42ma)
(!!) 6AQ5A RCA NOS 1964 (37ma)
(!!) 6BL7GTA RCA low hours/like new 1961 (42.2ma/43.6ma) 1-2% section balance
(!!) 6BL7GTA RCA low hours/like new 1962 (38.4ma/38.2ma) 1-2% section balance
(!!) 6BQ5 Sylvania gray plate NOS 1960's (63.5ma)
(!!) 6BQ5 Sylvania gray plate NOS 1970's (44ma)
(!!) 6BX7GT Sylvania black plates NOS 1960's (56ma/76ma)
(!!) 6BX7GT Sylvania branded GE black plates 1967 (44ma/61ma)
(!!) 6E5 RCA NOS 1945-1949 (2 in stock)
(!!) 6E5 RCA NOS 1960's very slightly tilted glass (bright eye)
