4 Amperex World 1BC2 1BC2A Vacuum Tubes Valves NOS NIB Lot Of Four Quad 6AK6 Septal T35 GE-BRANDED 40KG6A / PL509 tube

GE-BRANDED 40KG6A / PL509 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box Sylvania 7X7 tubes tested to spec on our Paul Hart-calibrated TV7/U

They are lightly microphonic and not suitable for environments with excessive vibration

These four Super Silvertone 12A8GT tubes were tested for shorts

102/83 and 102/86

4 Amperex World 1BC2 1BC2A Vacuum Tubes Valves NOS NIB Lot Of Four Quad 6AK6 Septal T35 GE-BRANDED 40KG6A / PL509 tubeThese four new old stock, new in box Amperex World 1BC2 1BC2A tubes tested to spec on our TV7. 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 IN