12SC7 International Canada NOS, probably made by GE (2.0/2.1ma)

1 tube) 12SC7 International Canada NOS, probably made by GE

1 section) 2.0ma Gm=1400

1 section) 2.1ma Gm=1500

(12SC7=common cathode for both triode sections)

(also see 1634 which is a premium 12SC7 with matched sections)