Rogers 6CG7 6FQ7 Vacuum Tube With Shields NOS-Testing 1D8GT Milspec This pressing has lightly-moderate surface

This pressing has lightly-moderate surface noise

new in box GE 6JW8 / 6LX8 / ECF802 tubes tested to spec on our Paul Hart-calibrated TV7/U

These five Ken-Rad-MANUFACTURED 6U7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

54 and 54 where minimum (65%) is 38

Rogers 6CG7 6FQ7 Vacuum Tube With Shields NOS-Testing 1D8GT Milspec This pressing has lightly-moderate surfaceThis new old stock testing Canadian Rogers 6CG7 6FQ7 dual triode was tested on our TV7 for shorts, gas and transconductance. There were no shorts or gas. It measured a perfectly balanced 75 75 where minimum (65%) is 50 50. This tube has steel support rods; a top O getter and there is a shield between the triodes for reduced cross talk. I have played it in my Alan Eaton single ended 45 amplifier with an adapter and it sounds outstanding. It is dead