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NOS vacuum tube with grey plates and bottom halo getterTested 3400/3400 on Hickok 752A, where minimu..
$13.99 USD
The factory codes on these tubes are: AAA3 B3J5 AND AAA3 B4I5Made by Mullard in Blackburn, England T..
$39.99 USD
Closely matched pair of NOS tubes, tested 1000/825 µmhos and 1025/825 µmhos on Hickok 752A..
$14.99 USD
New Pair, tested 950 and 960 µmhos on Hickok 752A, where minimum is 500 ..
$17.99 USD
Used Pair Tested 7700/7600 µmhos on Hickok 752A. Min is 3750 µmhos ..
$49.99 USD
Pair RCA Fat Bottle Gray Plate NOS Vacuum Tubes7591 in 9-T9 bulb and the compactron equivalent is 78..
$119.99 USD
Tube tested 2800 where minimum is 1350 and 1300/1400 where minimum is 800/800Rogers branded vacuum t..
$27.99 USD
Tested 1000 and 1025 µmhos
respectively on a Hickok 752A where minimum is 475 ..
$19.99 USD
Tested 2900/2800 µmhos on a Hickok 752A where minimum is 1600/1600 ..
$69.99 USD
Tested 900 and 875 µmhos respectively on a Hickok 752A where minimum is 500 ..
$144.95 USD
Tested 800 and 900 µmhos respectively on a Hickok 752A where minimum is 500 ..
$144.99 USD
New Old Stock (NOS) vacuum tube tested On A Hickok Model 752A Tube Tester.Test reading is 1025, wher..
$11.99 USD
Tested new and balanced on a Hickok 752A. Emission result 625/625. Minimum is 400/400. Rug..
$39.99 USD
Perfectly matched Pair both tested 2300 µmhos on Hickok 752A. Min is 1200 µmhos ..
$22.99 USD
Tested 825/875 mhos on Hickok 752A, minimum new is 475Made in England with gray plates and top halo ..
$34.99 USD
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