(!!) (PAIR) 7AF7 Sylvania branded RCA and GE NOS black round plates NOS 1956-1958 (7.0/7.6ma and 8.2/7.8ma) (close Gm matching)

1 pair) 7AF7 Sylvania branded RCA and GE NOS black round plates NOS 1956-1958

1 tube) 7.0/7.6ma Gm=1800/1800

1 tube) 8.2/7.8ma Gm=1900/1800

Good Ma range 7-9ma

Good Gm range 1800-2100

DUAL-TRIODE