This listing is for a vintage NOS (New Old stock) Sylvania type 5U4GB full-wave rectifier vacuum tube in the original box.
This tube tested great on a reliable Hickock 800A tube tester.
The sections tested at 2850/2900 on a scale of 0-3000, where 1500 or more is "GOOD". ...and NO shorts or gas detected.
Ref: New tubes will typically test at 2600+/2600+ on this tester. This tube tested really strong and has very closely matched sections!
Satisfaction guaranteed! -- $-$-$ -- Check out all the other items I have for $ale! -- $-$-$
**** FREE domestic economy shipping & handling on this item! ****
*** PLEASE make payment within (5) days of the auction ending. Thank you! ***
*** As a seller, I promptly leave feedback after receiving positive feedback ***