5U4GB GE Matched Pair Tubes NOS Testing Side D Getter Nice Flashing

This new old stock-testing matched pair GE 5U4GB rectifier tubes was tested in our TV-7/U and they measured:


Tube One: 65 / 62 (108% / 103%, GE, logo and 5U4GB stenciled on base with code 62-26 188-5; 5U4GB stenciled on glass)

Tube Two: 58 / 58 (97% / 97%, GE, logo and 5U4GB stenciled on base with code 61-43 188-5; 5U4GB stenciled on glass)

Minimum (65%) is 40; 100% is above 60.  


Pair have gray plates, side D getters and nice side flashing. Tight on bases and no debris or rattling sounds.

Tubes ships via United States Postal Service (USPS) First Class Mail with tracking for domestic U.S. sale; Priority Mail is an option if you wish your package delivered quicker.  International orders ship via USPS First Class International Mail Package; tracking and insurance can only be provided if you purchase USPS Priority Mail International service.

Package weighs twelve ounces (12 oz).


Check out more tubes in my other Reverb listings for your equipment needs.



Combined shipping always welcomed.

TUBES ARE GUARANTEED GOOD AND IN WORKING ORDER AT SHIPMENT. TRANSIT VIA POST CAN DAMAGE TUBES. THIS IS NO FAULT OF OURS BUT THE THIRD PARTY ENTITY THAT IS DELIVERING ITEM(S) TO YOU, I.E, USPS, UPS, FEDEX, YOUR NATIONAL CARRIER IF INTERNATIONAL, ETC. PLEASE INSURE THEM! WE CANNOT GUARANTEE FAILURES ON YOUR EQUIPMENT AFTER POWER UP AS THERE IS NO WAY TO ASCERTAIN HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS; NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS IN TUBES THEMSELVES! THESE ARE USED VACUUM TUBES AND TIME MAY HAVE TAKEN A TOLL ON THEM OVER THE MANY YEARS SINCE THEY WERE MANUFACTURED. WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED ABOVE IN ONE OR MORE OF THE FOLLOWING EQUIPMENT WE USE FOR MEASURING: TV-7/U, JACKSON 648 & MAXI MATCHER 2.