Vintage RCA 6BH11 Vacuum Tube NOS – Compactron Triode/Dual Diode – Radio TV

(1) Tested Philco 6AT6 Tube Date Code 50-26 Twin Diode High Mu Triode Tube

(1) Tested Philco 6AT6 Tube Date Code 50-13 Dual Diode High Mu Triode Tube

6Q7 KEN-RAD Vacuum Tube ~ Tested ~ Dual Diode -Triode

Triad 6SQ7GT Vacuum Tube TESTED 90 Halo Getter Black Flash Vintage Audio Triode

11A6 Vacuum Tube Loktal Dual Diode Triode – USA Made Untested

RCA 6B10 Dual Diode / Triode Vacuum Tube NIB

PHILCO 6BN8 VACUUM TUBE SINGLE NOS NIB Valvola Röhre Valve