5 US-Made 50L6 50L6GT Vacuum Tubes Valves Black Plate Clear Bottle Lot Of Five January 11 2023 47 and 48 where minimum

47 and 48 where minimum (65%) is 30 and 100% is 72

GE-BRANDED 17EW8 / HCC85 tubes tested to spec on our Paul Hart-calibrated TV7

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This perfectly-matched pair of RCA gray plate 5763 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

5 US-Made 50L6 50L6GT Vacuum Tubes Valves Black Plate Clear Bottle Lot Of Five January 11 2023 47 and 48 where minimumThis lot of five US made black plate, clear bottle 50L6GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 54, 56, 65, 66 and 68 where minimum (65%) is 45. This new old stock, new in box matched pair of GE 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 80 80 while