Matched Trio RCA 6FQ7 / 6CG7 Vacuum Tubes Valves 6KU8 Noval Tube Two Plate Current Draw:

Tube Two Plate Current Draw: 27

milspec GE JG-6X4WA tested to spec on our Paul Hart-calibrated TV7/U

This perfectly-matched pair of Wards Super Airline black bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

This Ken-Rad 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

Matched Trio RCA 6FQ7 / 6CG7 Vacuum Tubes Valves 6KU8 Noval Tube Two Plate Current Draw:This matched trio of RCA 6FQ7 6CG7 dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas and their readings are as follows: Tube One measured 66 71 while Tube Two measured 68 67. Tube Three measured 70 70 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates; side D getters and excellent flashing. As I write, I am playing them with adapters (not included) in