(!!!) (BEST PAIR) 7AF7 Sylvania NOS gray round plates NOS 1950-1958 (8.5/8.7ma and 9.2/9.2ma) 1-5% matched (same Gm)

1 pair) 7AF7 Sylvania NOS gray round plates NOS 1950-1958 same build

1 tube) 8.5/8.7ma Gm=1900/2000 Sylvania branded RCA 1958

1 tube) 9.2/9.2ma Gm=1900/2000 Sylvania branded GE 1950

Good Ma range 7-9ma

Good Gm range 1800-2100

DUAL-TRIODE