6BD6 CBS Remote-Cutoff Pentode Vacuum Tube NOS - TESTED

5CG8 RCA Medium-Mu Triode Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED

6BC5 CBS Sharp-Cutoff Pentode Amplifier Vacuum Tube NOS - TESTED

JHY 6AG5WA CBS-Hytron Sharp Cut-off RF Pentode Tube NOS Tested QTY

6CB6A GE Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED

6AG5 RCA Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED

6DE6 Westinghouse Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED

Vacuum Tube, 12BY7A, Sylvania, NOS, Sharp-Cutoff Pentode, Tested Hickok 752A