(!!!!) (Best Pair #2) 7N7 Sylvania branded RCA and Sylvania NOS 1960-1963 (9.4/9.0ma and 9.6/9.8ma) (High Gm) 1-5% matched

1 pair) 7N7 Sylvania branded RCA and Sylvania NOS 1960-1963

1 tube) 9.6/9.8ma Gm=2800/2900 branded RCA 1963

1 tube) 9.4/9.0ma Gm=2800/2700 branded Sylvania 1960 era

(7N7=Loktal 6SN7GT with superb sound - great option for DIY project instead of using 6SN7GT)

- Bottlehead Forum Foreplay III Conversion
- Singlepower Concerto 2007
- Singlepower MPX3
- Peter Millett 307A headphone amp
- Woo WA6 with adapter socket 6DE7 to 7N7
- Mystere ia21 preamp
- Eddie Current
- Masco MA-17

NOTE: ALL the 7N7 listed below have "TRIANGULAR BLACK PLATES" unless stated