Vacuum Tubes
subcategory
Tested strong at 9000 µmos on Hickok 752A. Minimum is 5000 µmhosBlack plate with smoked glass ..
$11.99 USD
Tested almost new at 10250 µmos on Hickok 752A. Minimum is 5000 µmhosBlack plates with top halo gett..
$11.99 USD
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