RCA 6AG7 Vacuum Tube NOS NIB Andre Kostelanetz new in box black plate

new in box black plate DuMont 18FY6 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box Zenith 6LT8 tube tested to spec on our Paul Hart-calibrated TV7/U

This lot of five GE 12CR6 tube tested to spec on our Jackson 648 Mutual Conductance tester and come in a sleeve

new in box 8CG7 / 8FQ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

It has a smooth top and steel support rods

RCA 6AG7 Vacuum Tube NOS NIB Andre Kostelanetz new in box black plateThis RCA 6AG7 tube and five others just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many tubes 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 MAIL ARE