6DE6, GE, Sharp Cutoff Pentode Vacuum Tube – NOS – TESTED

6BJ6 Sylvania Remote-Cutoff Pentode Vacuum Tube - NOS - TESTED

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

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

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

4 NOS Tested Sylvania 6AW8 Triode Pentode Vacuum Tubes Scott Dynaco Audio Amp

Westinghouse 6AU6A Pentode Vacuum Tube ~ NOS

6AH6 RCA Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED