NOS Pair National Union Philco Black Glass 6SN7GT Tubes Matched Codes 1951

Tested on an Amplitrex AT1000  

Tube 1 Emissions 101% & 106% | GM 88% & 84%

Tube 2 Emissions 93% & 96% | GM 92% & 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!