Sylvania 6LU8 Vacuum Tube Valve NOS NIB Milspec Small Logo Tube One measured 28 while

Tube One measured 28 while Tube Two measured 29 where minimum (65%) is 22

58 and 62 where minimum (65%) is 40 and 100% is 62

new in box US-made number / type 89 tubes tested to spec on our Paul Hart-calibrated TV7/U

2 milliamps' plate current / 1810 micromhos

There were many pops and ticks

Sylvania 6LU8 Vacuum Tube Valve NOS NIB Milspec Small Logo Tube One measured 28 whileThis new old stock, new in box Sylvania 6LU8 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