Vintage Ei Yugoslavia EL84 Amplifier Power Tubes Pair Duet 6BQ5 153

For your kind consideration is this set of Tung-Sol 7189 power tubes. The 7189 tubes can handle a higher plate voltage than the EL84 equivalent tubes. They’re in excellent condition, are well balanced, and read strong. These are earlier, 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 6250 & 6250 with 7500 being considered new.