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(!!!!) (Best Single) 5965A GE NOS 1976 (16.8/17.0ma) 1-2% section balance
(!!!) (2nd Best Single) 5965A GE "5 Star" NOS 1964 (19.2/14.6ma)
(!!!) (Best Single) 5965A GE "5 Star" NOS 1964 (13.8/15ma)
(!!) (Best RCA single) 5965 RCA IBM black plates triple mica "D" getter like new 1958 (12.0/12.2ma)
(!!) (Best Single) 5965 Sylvania NOS 1960's (21/19ma)
(!!) (Pair) 6GK6 Canada probably by Philips Canada, Holland style construction 1960's used/good (45ma and 46.5ma)
(!!) (Pair) 6GK6 Canada probably by Philips Canada, Holland style construction 1960's used/good (50ma and 52ma)
(!!) (Single) 5965A GE 5-Star NOS 1969 (14.8/11.8ma)
16GK6 Dumont by Sylvania NOS 1960's (10 in stock)
16GK6 Sylvania branded RCA NOS 1960's (1 tube)
16GK6 Sylvania NOS 1960's (1 tube)
6GK6 GE NOS (52ma)
6GK6 Motorola Toshiba Japan like new 1960's (47ma)