Here is an awesome pair of Sylvania 6SN7GT mil-spec tube.  Please look at all actual item pictures carefully to know about detail of item.  Will be well packed and insured.


Tube tested from : Amplitrex  AT1000

DATA code : 8C 966 A

Test results 

Tube 1
Triode 1 :  80% Emis 92% GM
Triode 2 :  73% Emis 88% GM

Tube 2
Triode 1 :  73% Emis 83% GM
Triode 2 :  84% Emis 96% GM



Thanks again for looking.