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6DT8 RCA black plates D getter 1959 NOS (75/60 and 80/60)
(!!) (Best Single) 6BQ5 RCA NOS 1959 (54.5ma)
5651A Raytheon NOS 1960's (1 in stock)
(!!!) (Best Value #2) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1967 (0.9/1.1mA and Gm=1300/1500)
7687 Sylvania NOS 1962 (sold out)
5693 RCA branded Tungsol used good 1950's (2.6ma)
0C3=VR105 RCA used/good 1948 (argon)
815 RCA like new a few stress cracks in base
(!!) 6SN7GTA RCA branded CAPEHART used/like new 1955 (8.4/9.8ma)
407A Sylvania branded RCA NOS 1977
(!!) (Pair) 12X4 RCA black plates NOS 1970 (44-47/40 and 44-47/40)
(!!!) (Pair) UX-226 RCA Radiotron balloon used/good 1930 era (3.9ma and 3.6ma)
0C3 RCA NOS 1974 rattle in base from dried glue particles - argon
1H5GT RCA NOS 1950's
5R4GYB RCA brown base NOS 1970's part of glass melted into bottom mica (50/40 and 53/40)
(!!!!) (BEST PAIR) 6SQ7 RCA NOS 1950 (1.0ma and 1.0ma) 1-2% matched **
6HF5 RCA NOS 1972 (90ma)
12SA7Y RCA brown bottom NOS 1955 (4.7ma)
56 RCA no name NOS 1940's made for Radiotelefonica Argentia (5.1ma)
12HG7=12GN7 RCA clear top NOS 1970's (25ma)
