(!!) (Recommended Pair) 6SK7 Sylvania NOS 1950 era (9.2ma and 9.0ma) Title: 6SK7

1 matched pair) 6SK7 Sylvania NOS 1950 era

1 tube) 9.2ma Gm=1900

1 tube) 9.0ma Gm=1900

– Wards Airline 04wg.819a 1941
– Hallicrafters S-77 1950