For your kind consideration is this vintage RCA 12AU7A preamp tube. It's in excellent condition and reads strong. Grey ladder plates, square side getter, and 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 reads at 2600 & 2400 with 2200 being considered new.
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