DELCO GM - NOS 4AU6 Electronic Tube - Tested STRONG

DELCO - 25AV5GT Electronic Tube - Tested STRONG

Delco 3LF4 Vacuum Tube NOS NIB ( QTY 1 Tube ) All Tested

GE Electronic Tube 6ES5 NOS In Original Box ~ Tested

CBS HYTRON - NOS 6BK5 Electronic Tube - Tested STRONG

1 x 5U4gb Raytheon Tube*Tested Strong* NOS*NIB*#6

(1) Tested Delco 12V6GT Tube Date Code 5-13 GE EIA Code Beam Power Tube

2 NOS NIB 6CZ5 Sylvania, absolutely News, tested strong power Tubes