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NOS brown base vacuum tube with black plate made by SylvaniaTested 750 on Hickok 752A, where minimum..
$69.99 USD
Reliable, Ruggedized, Longlife tubes made to Western Electric specs. 40 Volt 2C51 / 396A. Perfectly ..
$32.99 USD
Reliable, Ruggedized, Longlife tubes made to Western Electric specs. Closely matched at 4000 / ..
$32.99 USD
Used tube with strong test result. Tested 1225/1250 on Hickok 752A. Minimum is 770/770 &n..
$34.99 USD
Perfectly balanced at 2200/2200 µmhos on a Hickok 752A where
minimum is 1600/1600
Black
Plate, tr..
$134.99 USD
Mullard manufactured tube in Mitcham, England for CGE in Original Box. Code BP1 R3E4. Manufact..
$179.99 USD
Tested using Hickok 752A NIB..
$17.99 USD
Tested 3100/3100 on Hickok 752A, where the minimum is 1600/1600Dual Triode with balanced test result..
$24.99 USD
Made by Northern Electric the Canadian arm of Western Electric. Tested 3600 µmhos on a Hic..
$15.99 USD
Made by Northern Electric the Canadian arm of Western Electric. Tested 3800 µmhos on a Hic..
$15.99 USD
Tested 8250 µmhos on Hickok 752A. Minimum is 5000µmhos. ..
$34.99 USD
Closely matched pair of NOS tubes branded Philips with Mullard, Blackburn code (B1L1).Tested 1025/11..
$24.99 USD
Tested 325/350 on Hickok 752A where minimum is 200. The 752A is noted for giving a low reading ..
$17.99 USD
This is a pair of NOS vacuum tubes designated "RB" and made in the USA.Tested on a Hickok Model 752A..
$89.99 USD
Black Plate NOS Guitar Amp full-wave rectifier Date Code 6930..
$12.99 USD
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