Sylvania EZ81 6CA4 Vacuum Tube Valve Rectifier NOS NIB 6JU8 Nonal Both tubes are the same

Both tubes are the same on the inside with top D getters

They were made by Ken-Rad although one is branded "Crosley

Tube Three (triode): 51

new in box 12A7 tubes tested to spec on our Paul Hart-calibrated TV7/U

68 and 68 where minimum (65%) is 45

Sylvania EZ81 6CA4 Vacuum Tube Valve Rectifier NOS NIB 6JU8 Nonal Both tubes are the sameThis new old stock, new in box Sylvania 6CA4 tube tested to spec on our Paul Hart calibrated TV7 U. It has outstanding silkscreening and flashing; gray plates and an hb AGH date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL