(!!!) (Recommended Pair) 5963 gray plates NOS 1967-1973 (9.4/9.09ma and 8.4/9.0ma)
$ 34.99
1 low noise pair) 5963 CMC Computer Measurements Company by RCA gray plates test like new 1962 era in white boxes
1 tube) 9.4/9.0ma Gm=2200/2100 (1973)
1 tube) 8.4/9.0ma Gm=2000/2100 (1967)
NOS mA range 8-10mA
NOS Gm range 1800-2200+
(5963=computer rated 12AU7)
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 (Recommended Pair) 5963 gray plates NOS 1967-1973 (9.4/9.09ma and 8.4/9.0ma) "Pin It")
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