RCA 117Z6 Vacuum Tube Valve NOS NIB 6U7 Septal OSC new in box National Union

new in box National Union 14X7 -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

47 and 48 where minimum (65%) is 40

This matched pair GE 6AX4GT rectifier tubes was tested on our Paul Hart-calibrated TV7/U for shorts

These tubes have excellent flashing

medium bottles

RCA 117Z6 Vacuum Tube Valve NOS NIB 6U7 Septal OSC new in box National UnionThis RCA 117Z6 tube is new old stock, new in box and 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