SELLING A PAIR Amperex USN-CEP 7308 Vacuum Tubes Gold Pin Amplitrex RARE
Lot Of 3 Amperex USN-CEP 6922 Vacuum Tubes Amplitrex Tested RARE
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