1 Excellent ITT 3AU6 Tube NOS NIB Grey Plate D Getter Tests STRONG TV-7 Results
One Excellent ITT 3AU6 Tube. TV-7A/U Minimum for 3AU6 Tubes:58. "D" Getter. Tube Tests Very Strong. Tube Tests as Follows Grey Plate. Tube Tested on a Hickok TV-7A/U Tube Tester. Value Added Tube.