6CR6 Raytheon Sharp-Cutoff Pentode Vacuum Tube - NOS - TESTED

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

6CR6 CBS Hytron NOS NIB vacuum tube vintage

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

12x 5814A 5814WA Tubes GE 5 Star RCA Sylvania CBS Hytron Tested 12AU7 Lot

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

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

CBS-Hytron JHY-5670 Vacuum Tube Tested on TV-7D/U Tube Tester NOS