(!!!!!) (Best Pair 1950's) 7N7 Sylvania chrome top NOS 1956-1957 1-3% matched (8/9ma and 8.6/8.4ma) (best 6SN7 sub using adapter sockets)

1 matched pair) 7N7 Sylvania chrome top NOS 1956-1957

1 tube) 8.0/9.0ma Gm=2500/2800 

1 tube) 8.6/8.4ma Gm=2700/2600

 (best 6SN7 sub using adapter sockets)

(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