GE 4AU6 VACUUM TUBE NOS GUARANTEED TO FUNCTION

4AU6 - GE - Universal Vacuum Pentode, TUBE IN BOX , similar to 12AU6 but differe

(1) Tested Strong GE 6W4GT Tube Date Code 58-17 General Electric 6W4 GT Tube

GE General Electric Electronic Tube 4AU6 NOS

General Electric 12AU6 Vacuum Tube With Box *Not Tested*

Vintage Radio tubes, New all sizes RCA, Sylvania, General Electric, Amperex

GE General Electric 6DA4 VACUUM TUBE NOS NIB ORIGINAL BOX

General Electric Electronic Tube 6AU6A Open Box