Zenith 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-Testing

Zenith 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-TestingThis new old stock testing Zenith 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 1800 micromhos and drew 32. 3 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 IT. PLEASE ALSO SEE OUT ETSY

respectively where minimum (65%) is 57/57 and 100% is 88/88

Two are milspec

This Western Electric tube JW-6AK5 tube was tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 68/75 for Tube One and 72/68 for Tube Two where minimum (65%) is 56/56 and 100% is 86/86

new in box milspec RCA JRC-5651 tube tested to spec on our Paul Hart-calibrated TV7/U

This Sylvania-MANUFACTURED- Coronado-LABELED 71A tested 46 on our Paul Hart-calibrated TV7/U where new/nominal is 42

It measured 56/52 where minimum (65%) is 40/40 and 100% is 62/62

new in box Westinghouse 12SJ7 tube tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing engraved base Sylvania number / type #30 tube tested 31 on our Paul Hart-calibrated TV7/U where minimum is 23 and 100% is 35

WE HAVE ACCESS TO THE SAME INFORMATION YOU DO AND IT IS YOUR RESPONSIBILITY TO DEAL WITH THE USPS SHOULD THERE BE DELAYS OR LOSS OF A SCANNED PACKAGE

Tubes Three and Four measured 69/69 and 72/69

43 and 44 where minimum is (65%) is 36 and 100% is 55