NOS Pair Sylvania Philco 7N7 Tall Boy Vacuum Tubes | Black T Plates | Original Boxes

Tested on an Amplitrex AT1000  

Tube 1 Emissions 91% & 103% | GM 88% & 99%

Tube 2 Emissions 90% & 87% | GM 88% & 92%

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!