Matched Pair Sylvania Black Plate 6CL6 Vacuum Tubes Zalytron This Westinghouse 6AC7 tube tested

This Westinghouse 6AC7 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 19CG3 tube tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of National Union glass bottle 6J7GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This matched pair of Sylvania 6AU6 tubes was tested on our Hickok 800 for shorts

tube itself neverless solidly-cemented to base

Matched Pair Sylvania Black Plate 6CL6 Vacuum Tubes Zalytron This Westinghouse 6AC7 tube testedThis matched pair of Sylvania black plate 6CL6 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas.. They measured 44 and 48 where minimum (65%) is 30. 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