3 Ken-Rad 25L6 25L6G Vacuum Tubes Shoulder ST Bottle Lot Of Three 4242 4242 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 milspec RCA VT-200 VR 105/30 / 0C3 regulator tube tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 6EW6 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing matched pair of US-made 1625 / VT-136 output triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Cunningham 35/51 tube tested to spec on our Paul Hart-calibrated TV7/U

3 Ken-Rad 25L6 25L6G Vacuum Tubes Shoulder ST Bottle Lot Of Three 4242 4242 new in box black plateThese three Ken Rad MANUFACTURED coated glass 25L6G tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 59, 62 and 68,respectively, where minimum (65%) is 45. 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