Trigon UCH81 19D8 Vacuum Tube NOS NIB September 13 2022 34 and 35 where minimum

34 and 35 where minimum (65%) is 25

The spine is in fine shape with no loose pages

top to bottom) 39

This is a testament to their high emissions

beefy black plates: side O getters

Trigon UCH81 19D8 Vacuum Tube NOS NIB September 13 2022 34 and 35 where minimumThis new old stock, new in box Trigon UCH81 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