4 Sylvania 14BR11 Vacuum Tubes NOS NIB Lot Of Four November 23 2024 US-manufactured Amperex 7699 tube tested

US-manufactured Amperex 7699 tube tested to spec on our Paul Hart-calibrated TV7/U

30 and 3o where minimum (65%) is 23

It portended growth but alas we got suicide and embezzlement instead

They have been tested on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62 and have the following values in descending order:

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22

4 Sylvania 14BR11 Vacuum Tubes NOS NIB Lot Of Four November 23 2024 US-manufactured Amperex 7699 tube testedThese new old stock, new in box 14BR11 tubes 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