Sylvania 19T8 Vacuum Tube NOS NIB 6S4A Nonal new in box Westinghouse 6S4A

new in box Westinghouse 6S4A tubes tested to spec on our Paul Hart-calibrated TV7/U

This album is jazzy and a fair amount of fun

They struck at 35

new in box milspec black plate GE 6Y6GT / JAN-CG-6Y6GT tubes both tested 56 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62

Sylvania 19T8 Vacuum Tube NOS NIB 6S4A Nonal new in box Westinghouse 6S4AThis new old stock, new in box Sylvania 19T8 tube and another just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many tubes are available in this Dutch auction. 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