5 General Electric GE 6CL6 Vacuum Tubes Black Plate Lot Of Five July 13 2024 It has an engraved /

It has an engraved / stamped base

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22 and 100% is 34

new in box GE 9GV8 tube -- and one other just like it -- tested to spec on our Paul Hart-calibrated TV7/U

One is milspec and one is a Cunningham

5 General Electric GE 6CL6 Vacuum Tubes Black Plate Lot Of Five July 13 2024 It has an engraved /This lot of GE black plate 6CL6 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured (From left to right): 36, 40, 40, 44 and 48 where minimum (65%) is 30 and 100% is 46. 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