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12AZ7A RCA black plates NOS 1975 (7.6/9.2ma)
(!!) (Best Pair) 6F8G Raytheon black parallel ribbed plates NOS 1940's (8.8/7.8ma and 7.4/7.6ma) (same Gm)
6K6GT RCA used/good 1954 small hairline crack in base (35ma)
(!!) (Recommended Single) 6350 RCA NOS rebranded United triple mica "U" getter halo 1950's (9/9.6ma)
6L7 RCA metal can used/like new 1940's (40/16)
(!) (Best Single) 12DQ6B RCA NOS 1970's (82ma)
6CZ5 RCA black plate short bottle used/good 1960 era (48ma)
(!!) 12AU7A RCA clear top used/good 1960's (7.4/8.6ma)
815 RCA like new a few stress cracks in base
25Z6 RCA Radiotron used/tests like new 1940 era (51/40 and 51/40) 1% diode balance
6202 RCA NOS 1972 (52/40 and 54/40)
(!!) (Recommeded Pair) 6BX7GT GE branded NOS "D" getter 1958 - 1 tube branded RCA (72ma/95ma and 92/87ma) (highest mA and Gm)
22 RCA NOS 1940 era (10 in stock)
12A8GT Tungsol used/very good 1940's (92/60)
1619 GE NOS 1960 (56ma)
6L7 RCA metal can NOS 1948 (98/60)
6GK5=6FQ5A GE branded RCA NOS (17.4ma)
7868 RCA black plate tipped top used/good 1960 era (42.5ma)
6A4/LA US Brands NOS (5 in stock)
6JU6 RCA NOS (1 in stock)
