(1) Tested Tung Sol 5U8 Tube Date Code KA3 Triode Pentode Tube

(1) Tested Tung Sol 12L6GT Tube with Box Code 730-3 12L6 GT Beam Pentode Tube

(1) Tested Strong Tung-Sol 6AG7 Tube Date Code 235 Tung Sol Power Pentode Tube

(1) Tested Tung Sol 6K8GT Tube Date Code 752 6K8 GT Pentode Tube

(1) Tested Tung Sol 6SH7 Tube with Box Date Code PM3 6SH7 Pentode Tube

(1) Tested Tung Sol 5U8 Tube with Box Date Code NC1 Triode Pentode Tube

(1) Tested Tung Sol 6F6GT Tube Date Code 218 Tung-Sol 6F6 GT Power Pentode Tube

Raytheon 12DQ6B Beam Power Pentode Output TV Audio Vacuum Tube Tested Good