(!!!!) (Best Pair) 6AC7 RCA NOS 1961-1962 (10.3ma and 10.6ma)

1 pair) 6AC7 RCA NOS 1961-1962

1 tube) 10.3ma Gm=9600

1 tube) 10.6ma Gm=9800

TUBES PLUGGED INTO OCTAL SOCKETS IN PICTURE

Good Ma range 7-10ma

Good Gm = 8000-9000

- Mr. Liang Audio 845-3
- Welbourne Laurel IIx SET (WE 300B)
- JAS Bravo 2.3 integrated amp