Coronado / Ken-Rad 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-Testing Plate Cap T27 it is used and has

it is used and has underlining

Two are GE and two are Sylvania

new in box GE 6BW4 tube tested to spec on our Paul Hart-calibrated TV7/U

WE HAVE THOUSANDS OF VINTAGE ELECTRONIC ITEMS

new in box Realistic (Radio Shack) Gold Clad 6BL8 / ECF80 tube tested to spec on our Paul Hart-calibrated TV7/U

Coronado / Ken-Rad 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-Testing Plate Cap T27 it is used and hasThis new old stock testing Coronado BRANDED, Ken Rad MANUFACTURED 6K6 6K6G tube was tested on our Maxi Matcher II with 325 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas and it measured 2110 micromhos and drew 27. 1 milliamps' plate current. (New nominal transconductance is within one standard deviation of 1900.) WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE