(!!!) (Good Value Pair) 6SC7 GE metal can NOS 1977 (1.6/1.9ma and 1.6/1.9ma) 1% matched1 matched pair) 6SC7 GE metal can NOS 1977 (SL) 1 tube) 1. 6 1. 9ma and Gm=1200 1300 1 tube) 1. 6 1. 9ma and Gm=1200 1300 Good NOS Ma range = 1. 7 2. 0ma Good NOS GM range = 1200 1300 (6SC7=metal can 6SL7GT with grid leads pinned out away from heater) Fender Twin and Super Fender Deluxe #5C3 Knight 93 SX 670 1950's (PA) Silvertone 1333