For your kind consideration is this New Old Stock set of 5 General Electric 7581A power tubes with the early flesh colored base. They're in superb condition with the original factory sleeves and boxes. These are original, made in USA tubes. 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 5400, 5300, 5200, 5300, & 5200 with 5900 being considered new.
Shipping:
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