The Calculated Average for a NOS 6L7 Tube is : 25/25. The Hickok Specified Minimum for a 6L7 Tube is : 16/16. One Excellent RCA Cunningham 6L7 Tube. Date Code : T3 Value Added Tube. I Do Not have the Original Tube Box.
The Calculated Average for a NOS 6L7 Tube is : 25/25. The Hickok Specified Minimum for a 6L7 Tube is : 16/16. One Excellent RCA Cunningham 6L7 Tube. Date Code : T3 Value Added Tube. I Do Not have the Original Tube Box.