Tested 325/325 on Hickok 752A where minimum is 200. The 752A is noted for giving a low

reading for the 12AX7. Ribbed Gray plate vacuum tube made in USA with top D getter

Tung-Sol 12AX7 Vacuum Tube

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Tested 2040/2440 on Hickok 752A, where the minimum is 1600/1600Clear Top Tall Bottle, Black Plate, B..

$19.99 USD

Tested 350/375 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..

$16.99 USD

Tested 350/325 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..

$39.99 USD

Tested 3100/3100 on Hickok 752A, where the minimum is 1600/1600Dual Triode with balanced test result..

$24.99 USD

Tested 825/875 mhos on Hickok 752A, minimum new is 475Made in England with gray plates and top halo ..

$34.99 USD

Tube #1 tested 300/300 Tube #2 tested 325/325 on Hickok 752A, minimum is 200. The 752A gives a ..

$39.99 USD

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