National Union NU 1N6 1N6G Vacuum Tube Valve NOS NIB T32 This RCA black plate 6LQ6

This RCA black plate 6LQ6 tube tested 80 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

new in box Dumont 3CA3 tube tested to spec on our Paul Hart-calibrated TV7/U

Etsy will indicate how many remain in this Dutch auction

These tubes have black

This lot of two new old stock

National Union NU 1N6 1N6G Vacuum Tube Valve NOS NIB T32 This RCA black plate 6LQ6This new old stock, new in box black plate National Union 1N6G 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