RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 They have engraved bases

They have engraved bases

These six 12BY7 / 12BY7A / 12BV7 tubes tested as follows on our Paul Hart-calibrated TV7/U where minimum (65%) is 46:

This lot of four European PCL805 tubes was tested on our Paul Hart-calibrated TV7/U

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

IN WELL OVER 8000 SALES

RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 They have engraved basesThis 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