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

NOS CBS 6BC5 Vacuum Tube - White Box - Tested

6BC5 NOS vacuum tube RCA pentode - Open Box New - Electron Tube - Untested

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

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

6BH6 CBS Sharp-Cutoff RF Pentode Vacuum Tube NOS - TESTED

RCA Radiotron 6BC5 Sharp Cut-off RF Pentode Tube NOS Quantity Tested

6CF6 CBS High-Perveance Sharp Cut-off Pentode Vacuum Tube - NOS - TESTED