2- GE 5965 12AT7 Vacuum Tube Amplitrex Tested NOS/NIB Gray Plates D Getter
These were made for industrial use, and can take long periods in full cutoff without changes in characteristics. Large Gray Ladder Plates, D Getter. Tube 1 Gm 8000/7900 - 9.6/9.6mA. Tube 2 Gm 7500/7700 - 9.4/9.2mA.