RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 These two US-made 14A4 tubes

These two US-made 14A4 tubes tested to spec on our Paul Hart-calibrated TV-7/U

a goal-post getter and excellent flashing

There were no shorts or gas and they measure as follows:

54 and 60 where minimum (65%) is 40 and 100% is 62

They have engraved bases

RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 These two US-made 14A4 tubesThis milspec RCA JRC 1S5 tube 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 $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF AN