Sylvania Philco 14AF7 XXD Vacuum Tube Valve Round Plate Chrome Dome Top NOS NIB Oris 20MM End Link new in box matched pair

new in box matched pair of RCA 12SN7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box GE 26HU5 tubes tested to spec on our on our Jackson 648

Transconductance measured 49/49 where minimum (65%) is 36/36

new in box RCA 1AC5 tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

An 8 out of ten

Sylvania Philco 14AF7 XXD Vacuum Tube Valve Round Plate Chrome Dome Top NOS NIB Oris 20MM End Link new in box matched pairThis new old stock, new in box Sylvania MANUFACTURED, Philco BRANDED 14AF7 XXD chrome dome dual triode tested to spec on our Paul Hart calibrated TV7 U 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 ARE AUTOMATICALLY INSURED UP TO