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6005=6AQ5A RCA NOS 1973 (41ma)
6AZ8 RCA NOS (1 in stock)
(!!!) (Pair) 6FQ7 RCA clear top NOS "O" getter halo 1970's (6.6/6.0ma and 6.0/6.4ma) (close Gm)
5U4GB RCA used/good 1950's slightly tilted glass (55/40 and 56/40)
12BY7A RCA used/good 1960's (21ma)
6BS8 RCA NOS 1966 (11.5/10ma)
(!!) (#1 800 black plate single) 800=VT-64 RCA black plate like new 1940's (52ma, Gm=2430) (tested on Amplitrex)
(!!) (Best Pair #1) 6CW4 RCA NOS 1963 (120/60 and 120/60)
7586 RCA Nuvistor NOS 1972 (84/60)
(!)(Best Single) 6K8G RCA NOS 1948 (49/25 and 56/30) strongest output
6K8 metal can NOS (4 tubes for $21.99)
(!!) (Good Value Pair) 811 RCA used/strong branded RCAF and EE (60/36 and 57/36)
(!!!) (Single) 6AS7G RCA branded GE black plates used/good 1953 (114/75ma)
6SJ7 RCA metal can like new 1964 (3.5ma)
6K8 metal can NOS (17 in stock)
(!!!) (Single) 12BH7A RCA NOS 1970's (16.4/9.6ma)
(!) (#1 6AU5GT RCA PAIR) 6AU5GT RCA black plates NOS rebranded same build (64ma and 64.5ma)
(!!!) (Best Single #2) 5Y3GT RCA NOS 1970 (56/40 and 60/40)
56 RCA used/good 1940's (4.7ma)
6C6 RCA used/tests like new 1940's (48/31) (2.0ma)
