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79 Cunningham NOS (2 in stock)
79 Tungsol NOS in white box 1940's
7AF7 Sylvania branded Raytheon NOS gray round plates NOS 1948 printed in 1952 (10/10ma) 1-2% section balance
7AU7 RCA clear top NOS pin #2 slightly shorter than the other pins (1 in stock)
7C6 GE used/like new 1949 in white box (95/60)
7C6 RCA NOS 1940's tarnished base (96/60)
7C6 RCA Victor like new 1948-1950 (23/15)
7C6 Sylvania branded CBS Hytron NOS 1952 (23/15)
7C6 Sylvania branded Raytheon NOS 1950's (1 in stock)
7C6 Sylvania branded RCA used/like new 1956 (98/60)
7F7 Sylvania round black plates used/good 1960's (1.9/1.7ma)
7N7 Sylvania branded RCA chrome top used/good 1956 (6.6/8.4ma)
7N7 Sylvania chrome top branded GE low hours/tests like new 1957 (7.4/11.4ma)
80 Tungsol like new, 1 internal plate slightly tilted (51/40 and 52/40)
8003 RCA 1940's (display tube does not work - open filament)
8005 RCA used/good 1962 small heat stains on plate (86/50)
800=VT-64 RCA DeForest black plate engraved base used/good 1930's (38ma, Gm=1750) (tested on Amplitrex)
800=VT-64 RCA Radiotron charcoal black plate engraved base used 1930's (42ma, Gm=2000)
8025 RCA NOS original box
8025 RCA used/like new 1940's
