RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 These six 12BY7 / 12BY7A

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

anode radiators

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

They tested (from left to right) as follows: 44

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

RCA JRC1S5 Vacuum Tube Milspec NOS NIB PMC 7007 These six 12BY7 / 12BY7AThis 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