For your kind consideration is this vintage set of four Sylvania Philips ECG 6L6GC power tubes. They appear to be new in the box and never used. All four tubes reads at new specs. These are original, made in USA tubes from the 1970s. Enjoy!
Tested on our calibrated Hickok 533A and reads Good on the Good/Bad scale on both Normal and Life Test settings. Passes tests for shorts and gas. Mutual Conductance reads at 5000, 5000, 4900, 4900 with 5000 being considered new.
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