8 US-Made 6KU8 Vacuum Tubes Valves NOS NIB Lot Of Eight VR150 T31 These tubes have shiny

These tubes have shiny

IF A TUBE FAILS AFTER YOU GET IT

It measured 54/66 where minimum (65%) is 50/50

shiny black plates and copper support rods

Tube One measured 33 while Tube Two measured 34 where minimum (65%) is 32 and 100% is 49

8 US-Made 6KU8 Vacuum Tubes Valves NOS NIB Lot Of Eight VR150 T31 These tubes have shinyThese eight new old stock, new in box US made 6KU8 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