(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.6/9.0ma and 8.0/9.4ma) 1-3% matched
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.2/8.2ma and 7.4/8.4ma) 1-3% matched
(!!!) (Slightly microphonic single) JW-2C51=396A Western Electric "D" getter 1949 (6.2/6.4ma) (oldest 396A, 1st series made)
(!!!!) (Best Overall Single) 2C51=396A Western Electric D getter NOS 1953 (9.2ma/9.8ma)
(!!!) (Single) 396A Western Electric NOS 1986 (5.2/8.2ma)
(!!!!!) (Best Pair) 5670W GE JAN NOS 1986 (9.2/9.0ma and 9.8/8.8ma)
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (9.0/9.2ma and 8.4/8.8ma) 1-3% matched
(!!!!) (Good Value Single) 396A Western Electric NOS 1974 (5.8/4.8ma)
(!!!!) (Recommended Single) 396A Western Electric NOS 1984 (8/6ma)
(!!!) (Single) 396A Western Electric NOS 1986 (8.6/11.8ma)
(!!!) (Single) 396A Western Electric NOS 1986 (7.2/6.6ma)
(!!!) (Single) 396A Western Electric NOS 1985 (7.5/8.4ma)
(!!!!) (Best Pair) 5670W GE NOS 1986 (8.8/9.4ma and 8.8/9.6ma) 1-3% matched
(!!!) (Best Single 1956) JG-5670WA GE triple mica with D getter NOS 1956 (7.8/7.0ma)
(!!!) (Best Single 1956) JG-5670WA GE triple mica with D getter NOS 1956 (8.6/9.0ma) (same Gm)
(!!!) (Single) JG-5670WA GE triple mica with D getter NOS 1956 (5.5/5.8ma) (same Gm)