Results are 775/775, 800/750, 825/750 & 850/825 µmhos on Hickok 752A

Minimum is 400. Grey plate tubes, made in Japan. Torn flap on one box

GE 6FQ7 6CG7 Vacuum Tube Matched Quad

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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

NOS vacuum tube with grey plates and bottom halo getterTested 3400/3400 on Hickok 752A, where minimu..

$13.99 USD

Tested new with completely matched sections with readings of 3200/3200 µmhos on Hickok 752..

$24.99 USD

NOS vacuum tube with top halo getter. Balanced test at 925/950 on Hickok 752A, where minimum is..

$29.99 USD

NOS brown base vacuum tube with black plate made by SylvaniaTested 750 on Hickok 752A, where minimum..

$69.99 USD

Tested new on a Hickok 752A. Emission result 925/950. Minimum is 650/650.Black plate tube, made..

$29.99 USD

Tested new and balanced on a Hickok 752A. Emission result 625/625. Minimum is 400/400. Rug..

$39.99 USD

Tested new on a Hickok 752A. Emission result 975/925. Minimum is 650/650.Black plate tube, made..

$24.99 USD

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

$24.99 USD

NOS matched pair tubes made in USA and branded Continental on the base. Both tested 1000/1000 on a H..

$49.99 USD

NOS vacuum tube made in Japan and tested 1050/1000 µmhos on Hickok 752AMinimum is 475. NIB with shor..

$44.99 USD

Tested balanced at 725/725 & 775/775 µmhos on Hickok 752AMinimum good is 400. Grey pla..

$29.99 USD

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