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UL41=45A5 Miniwatt France NOS 1962-1963 (3 in stock)
38233=2C21 Raytheon ceramic base NOS 1930's
(!) (BEST SINGLE) 6U8A Sylvania NOS 1970 era (20ma/17ma)
UX-120 Radiotron used/tests 35% (low Gm=100) (display tube)
UX-226 RCA Radiotron balloon used/good 1920's (3.7ma Gm=900)
UY-224 RCA Balloon used/good 1930's (37/25) (3.0ma Gm=700)
UY-224 RCA Balloon used/tests like new 1930's rattle inside base (50/25) (4.2ma Gm=1000)
UY-224A RCA Balloon used/very good 1930's (41/25) (2.6ma Gm=900)
(!!!!!) (BEST VALUE PAIR #1) 6SN7GTB GE coin-base NOS 1980 same date codes (7.4/7.6ma and 7.8/7.6ma) (same Gm) (Schiit Freya, Rogue)
VF14 or VF14M Telefunken NOS
6SK7 Raytheon NOS 1955 (8.5ma)
6SK7 Ken Rad NOS 1950 (9.2ma)
(!!!!) (BEST SINGLE) UX-201-A RCA Radiotron Balloon NOS 1930 era (3.9ma and Gm=700)
7B7 Sylvania NOS 1946 (98/60)
6J5GT RCA NOS 1970 (8.2ma)
(!!!) (Single 1960) 5814A=12AU7 GE "5 Star" triple mica NOS "o" getter 1960 (8.0/7.9ma)
(!!!!!) (Best Single) ECC82=12AU7 Telefunken Diamond Bottom <> smooth plates NOS 1967 (9.0/8.8ma) 1-2% section balance
6K7 Ken Rad used/very good 1940's (11.6ma)
6K7 GE metal can NOS 1952 tarnished metal can (10.2ma)
12SJ7 Tungsol metal can NOS 1949 (3.8ma)
