(!!) (Recommended Pair) 6SH7 GE metal can NOS 1976 (12ma and 13ma) **

1 matched pair) 6SH7 GE metal can NOS 1976 (NK)

1 tube) 12ma Gm=4800

1 tube) 13ma Gm=4600

Good NOS mA range 10-11ma

Good NOS Gm range 4500-5000