Tested 1000 and 1025 µmhos respectively on a Hickok 752A where minimum is 475

6SA7 Tung-Sol Vacuum Tube Matched Pair

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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 900 and 875 µmhos respectively on a Hickok 752A where minimum is 500 ..

$149.99 USD

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

$24.99 USD

Pentodes tested 1125 & 1225. Triodes 1225 & 1400 µmhos on a Hickok 752AMinimum would be 700 ..

$22.99 USD

Tested 650 & 625. Minimum 350 & 275 µmhos on a Hickok 752AMinimum would be 350 & 225. Bl..

$16.99 USD

Tested new at 1425, minimum 675 µmhos on Hickok 752AGrey plate with halo getter and reinforced rod.&..

$7.99 USD

Tested strong at 1225, minimum 675 µmhos on Hickok 752AGrey plate with halo getter. ..

$5.99 USD