GE Electronic Tube 6AX4GTB NOS In Original Box ~ Tested

GE 6AX4GTB Vacuum Tube ~ NOS, New in Box ~ Tested Strong Guaranteed

GE 6AX4GTB Tube NOS/NIB Tested Good

GE Electronic Tube 12AX4GTB NOS In Original Box ~ Tested

GE General Electric 12SA7 Electronic Vacuum Tube with Box Model 12SA7 MPN 12SA7

GE Electronic Tube 15MF8 New Old Stock In Original Box UNTESTED Made In USA

GE Electronic Tube 6DE4 / 6CQ4 NOS In Original Box ~ Tested

Vtg Sylvania 6AX4GTB Vacuum Electron Tube Tested Good Original Box