For your kind consideration is this vintage Westinghouse 12AU7A preamp tube. It has grey ladder plates, a square getter, and the pins are in good condition. 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 read at 2000 & 1950 with 2200 being considered new.
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