Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I have a problem finding information on some tubed I have
I have 6 big National Tubes
NL-6989-NE
The Tubes are new and because of their size I thought I could make some kind of cool display. The tube has a high voltage cap on the top and printed on the base along with the tube numbers is...
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