Zenith 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-Testing Guest Star Transconductance measured 3900/4500 micromhos

Transconductance measured 3900/4500 micromhos

Tube Three measured 62

Both are acid-etched

Some will be GE-branded while others will be OEM-branded

44/50 and 52/50 where minimum (65%) is 40/40 and 100% is 62/62

Zenith 6K6 6K6G Vacuum Tube Black And Silver Glass Shoulder ST-Shape NOS-Testing Guest Star Transconductance measured 3900/4500 micromhosThis 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