5 US-Made 50L6 50L6GT Vacuum Tubes Valves Black Plate Clear Bottle Lot Of Five January 11 2023 These ten Sylvania 29LE6s tested

These ten Sylvania 29LE6s tested to spec on our Paul Hart-calibrated TV7/U

This Super Silvertone 6J7G tube was tested on our Paul Hart-calibrated TV7/U for shorts

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This was originally a package that contained five and two have been used

new in box RCA 6E5 magic eye indicator tube is nice and bright

5 US-Made 50L6 50L6GT Vacuum Tubes Valves Black Plate Clear Bottle Lot Of Five January 11 2023 These ten Sylvania 29LE6s testedThis 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