Pair RCA 6BX7GT Vacuum Tube New In Box TV7 Tested NOS

2 Tung-Sol 6BX7GT Vacuum Tubes TESTED 100/100 Black Plate NOS 322 DT3 DR3 Pair

Matched Pair RCA 6BX7GT Vacuum Tubes Tested NOS On Calibrated TV - 7

(1) Tested Sylvania 6BX7GT Tube Date Code ii YKD Twin Triode Tube Black Plates

Matched Pair Sylvania 6BX7GT Black Plate D Getter Vacuum Tube Tested NOS On TV7

NIB Pair 6BX7GT made by GE Black Plate Twin Triode Tubes Tested ! 6BX7

RCA 6BX7GT Vacuum Tube New In Box TV7 Tested NOS

3- RCA 6BX7GT Vacuum Tubes New In Box TV7 Tested NOS