Amperex USN-CEP 6922 Vacuum Tube Gold Pin Amplitrex Tested.

All tubes tested on a amplitrex AT1000 tube tester with the following results

Tube 1- 78/64% Emissions 87/81%GM

Tube 2- 64/82% E 81/93%GM

Tube 3- 53/50%E 73/72%GM