Matched Balanced Pair Western Electric 310A Vacuum Tubes |  Square Getters | Matched Date Codes | Decemeber 1963 Production

Tested on an Amplitrex AT1000 - Pics Attached  

Tube 1 Emissions 100% | GM 100%

Tube 2 Emissions 100% | GM 100%

I'm always happy to combine shipping so please feel free to reach out with questions on any of my other listings. I add new listings daily but can only list a small portion of the tubes I actually have so if you're looking for something you don't see, message me directly and I'll be happy to help. 

Your tubes are always securely packed for fast shipping!