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Tested 825/875 mhos on Hickok 752A, minimum new is 475Made in England with gray plates and top halo ..
$34.99 USD
Tested very strong at 2750 (min 1350) and 1200/1200 (min 800/800) mhos on Hickok 752A..
$19.99 USD
Tube #1 tested 2900 where minimum is 1350 and 1200/1300 where minimum is 800/800Tube #2 tested 3000 ..
$39.99 USD
Tested 350/375 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..
$16.99 USD
This GE 5 star tube tested NOS with a reading of 1325/1400 where minimum is 675/675 on a Hickok 752A..
$22.99 USD
This pair of used tubes tested 825 & 925 µmhos respectively on a Hickok 752A Minimum is 425..
$19.99 USD
This is a used GE vacuum Tube in a GE box.
Tested
800 µmhos on a Hickok 752A. Minimum is 425.&nbs..
$14.99 USD
This is a New Old Stock vacuum Tube in original box.
Tested
800 µmhos on a Hickok 752A. Minimum i..
$39.99 USD
NOS vacuum tube with top halo getter. Balanced test at 925/950 on Hickok 752A, where minimum is..
$29.99 USD
Tested 2040/2440 on Hickok 752A, where the minimum is 1600/1600Clear Top Tall Bottle, Black Plate, B..
$19.99 USD
Tested very strong at 600 mhos on Hickok 752A, where the minimum new is 300 Black plate tube wi..
$11.99 USD
Tested new on a Hickok 752A. Emission result 925/950. Minimum is 650/650.Black plate tube, made..
$29.99 USD
Tested new on a Hickok 752A. Emission result 975/925. Minimum is 650/650.Black plate tube, made..
$24.99 USD
Used Tube Tested 5400 µmhos on Hickok 752A. Minimum is 3750. µmhos. ..
$17.99 USD
This used tube was made in Japan and tested on a Hickok 752A.The test result is 800 µmhos, whic..
$11.99 USD
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