Avo CT-160
Portable tube tester from the United Kingdom. Includes other tube tester information too.
Frank's Electron Tubes
Information on various vacuum tubes, sources and substitution data.
I-177 Tube Tester Data
Nolan Lee has this file with useful information on the tubes tester and its adapter kit for use for testing miniature tubes.
JMH Virtual Valve Museum
Valve information, lists, links, for sale, and wanted listings.
List of Power Tubes
Handy list of transmitters, transceivers and amplifiers and listings for which tubes are used in their final stages for RF amplification and modulation.
Nostalgia Down Under
Valve radios, and vintage electronics. From Australia. Includes some tube data from down under.
Schmaus' Vacuum Tube
Vacuum tube resources for students and more advanced users. Basic techniques to SPICE simulation.
The Idiot's Guide To Tube Testers
Broad variety of information on line from The Tone Lounge.
The Vacuum Technology Page
Vacuum technology resources for students and more advanced users. Fundamental techniques to SPICE simulation. From Roy Schmaus at the Electrical and Computer Engineering Department…
Tube Collectors
Interested in the use, history, and preservation of electron tubes and electron tube technology. Post buy/sell messages.
TV-series and I-177 Tube Tester Settings
Resource for the TV-2, TV-4, TV-10, and I-177. Military surplus tube testers.
Westinghouse 861 Power Triode
Interesting, large transmitting tube information, by AB0CW, Mark Dittmar.
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