RCA Victor 6L7 Vacuum Tube Valve NOS NIB ECF80 T28 This lot of six US-made

This lot of six US-made type 43 tubes was tested our Paul Hart-calibrated TV7/U for shorts

Tube One drew 39

new in box RCA 1S5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched trio of Sylvania 12BY7 / 12BY7A tubes was tested on our Paul Hart-calibrated TV7 for shorts

new in box Philco type 79 tube tested to spec on our Paul Hart-calibrated TV7/U

RCA Victor 6L7 Vacuum Tube Valve NOS NIB ECF80 T28 This lot of six US-madeThis new old stock, new in box RCA Victor 6L7 vacuum tube and another just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate the number 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