Matched Pair RCA 1625 / VT-136 Vacuum Tubes Milspec NOS-Testing 6K6 Chrome Dome This matched pair of Sylvania-MANUFACTURED

This matched pair of Sylvania-MANUFACTURED 6X5GT rectifier tubes was tested on our Paul Hart-calibrated TV7/U for shorts

2 milliamps' plate current and measured 1880 micromhos while Tube Two (Cunningham-labeled) measured 21

These four US-made 1AX2 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 6DB5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tubes One’s plate current draw was 28

Matched Pair RCA 1625 / VT-136 Vacuum Tubes Milspec NOS-Testing 6K6 Chrome Dome This matched pair of Sylvania-MANUFACTUREDThis new old stock testing matched pair of RCA 1625 VT 136 output triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 67 for Tube One and 68 for Tube Two where minimum (65%) is 40 and 100% is 62. These tubes have excellent flashing; Micanol bases; H2E and K1E date codes, respectively; double D getters; US Army Signal Corps SC278A contract codes and two