General Electric GE 6N7 6N7G Black Plate Vacuum Tube Shoulder ST Shape VT-74 Milspec It has dual D getters

It has dual D getters

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

new in box GE 13FM7 / 15FM7 tubes tested to spec on our Paul Hart-calibrated TV7/U

They have O getters

not included) with Pink Floyd's "Obscured By Clouds" and it sounds terrific

General Electric GE 6N7 6N7G Black Plate Vacuum Tube Shoulder ST Shape VT-74 Milspec It has dual D gettersThis 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