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

reading for the 12AX7, so the tube was also tested on a CTI emission tube checker

Ribbed grey plate tube, made in Western Germany with <> mark on bottom

Telefunken 12AX7 ECC83 Vacuum Tube

Qty

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

$19.99 USD

Tested 375/400 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..

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

$17.99 USD

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

$24.99 USD

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