General Electric GE 6N7 6N7G Black Plate Vacuum Tube Shoulder ST Shape VT-74 Milspec This happens perhaps once --

This happens perhaps once -- maybe twice -- per decade

This trio of US-made 6CM7 tubes was tested on our Paul Hart-calibrated TV7 for shorts

They have O getters

52 and 61 where minimum (65%) is 36 and 100% is 55

Tube Three measured 58

General Electric GE 6N7 6N7G Black Plate Vacuum Tube Shoulder ST Shape VT-74 Milspec This happens perhaps once --This GE 6N7G tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 51 46 where minimum (65%) is 38 38 and 100% is 58 58. It has an old fashioned "Coke" bottle; black plates; beautiful, copious flashing and mica snubbers for increased rigidity for lowered microphonics. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY