National Union NU 14X7 Vacuum Tube NOS NIB September 18 2024 These six new old stock-testing

These six new old stock-testing

Baldwin-BRANDED and SELECTED 12AU7A / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

24 and 24 where minimum (65%) is 25 and 100% is 38

new in box 7F8 tubes tested to spec on our Paul Hart-calibrated TV7/U

National Union NU 14X7 Vacuum Tube NOS NIB September 18 2024 These six new old stock-testingThis new old stock, new in box National Union 14X7 and another just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many are available in this Dutch Auction. 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