RCA 12BD6 Remote Cut-off RF Pentode Tube NOS Quantity TESTED

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

RCA Radiotron 6AT8A Triode-Pentode Converter Tube NOS Quantity TESTED

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

RCA Radiotron 6AM8A Diode Sharp Cut-off RF Pentode Tube NOS Quantity TESTED

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

(1) Tested Truetone 6BC5 Tube with Box Date Code 6517 Sharp Cutoff Pentode Tube

(1) Tested Zytron 6BC5 Tube with Box Date Code 56-20 Sharp Cutoff Pentode Tube