(!!!!) (1 Pair) 5654=6AK5W GE NOS 1983 (7.3ma and 7.9ma) (same Gm)
(!!!!) (Recommended Pair) 5654=6AK5 RCA Command Series black plate NOS 1964-1966 (9.2ma and 8.3ma) (Same Gm)
(!!!!) GL=5654=6AK5W GE 5 Star NOS 1954 (6.8ma)
5654=6AK5 RCA black plate NOS 1976 (7.2ma)
5654=6AK5W=EF95 Radio Technique (RT) France NOS 1962 (5.7ma)