7 US-Made 5U8 Vacuum Tubes Lot Of Seven Rozhdestvensky This tube tested above spec

This tube tested above spec for plate current draw and below spec for transconductance

new in box CBS-Hytron 12BZ7 tube tested to spec on our TV7/U

They measured 102/83 for Tube One and 104/78 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

hanging filaments and outstanding flashing

7 US-Made 5U8 Vacuum Tubes Lot Of Seven Rozhdestvensky This tube tested above specThese seven US made 5U8 tubes tested as good on our Hickok 800. 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 ITEM IS MARKED