Mike's Electric Stuff - Antique glass and vacuum stuff, for electronics and high voltage.
Russian/Soviet - Tube factories and their logos.
Vacuum tube FAQ - How to use them and how they work. List of tubes and what they are used for.
Vacuum Tube FAQ - How to use them and how they work. One of the more accurate vacuum tube FAQs on the net.
Vacuum Tube Valley - All about vacuum tubes. Tube audio amp kits.
Duncan's Amp Pages - Resources for vacuum tubes. A data sheet data base for tubes. SPICE models for vacuum tubes, and software available for download.
Vacuum Tube Index - Vacuum tube resources for students and more advanced users.Everything from fundamental techniques to SPICE simulation.
Vintage H.H. Scott Hi-Fi Stereo Archive - This site promotes open sharing of information, understanding and historic appreciation of vintage H.H. Scott (vacuum tube) consumer high fidelity audio products produced from 1946 through 1966.
Tube Datasheet Database - Datasheets for about 3,000 vacuum tubes.
Shortwave Transmitter Tubes - A service from TDP with links to and information about the manufacturers, rebuilders and distributors/suppliers of tubes. An extensive list of data sheet sources.
Vacuum Tubes - N9TEW is supplier of vacuum tubes for ham, audio and antique radio purposes.
Tube Rebuilders - Technical data, theory, trouble shooting information for high power tubes.
Cathode Corner - A scope clock, and tiny scope museum. The "Scope Clock" kit may be purchased.
Frank Philipse - Vacuum tube, vintage radio and electronics information. Extensive listings of tube data sheets.
Svetlana Applications Notes - Application notes on the care and feeding of Svetlana tubes, mostly for high power service.
RadioPistoia by Pierluigi - Audio tube amplifier project. European tube number guide. Links to other tube sites. [English, Italian]
Eimac's - Care and feeding of power grid tubes. A lot of information on beam power tubes also.
Frank's Electron Tube Pages - Data sheets, search, history, tube bases, and numbering systems, substitution list and an extensive link list.
Tube Collectors Association - A great resource for tube theory and operation. Quite a bit of history also.
JMH's Virtual Valve Museum - An extensive collection of pictures and information of old, unusual and unique vacuum tubes.
World Tube Audio Portal - Audio tube related link list, forums and newsgroups, tube amplifier collection and tweaking. Audio amplifiers that use tubes. Tube replacement list included.
Dr. Tube - Tube amp schematics, tube datasheets and other tube related technical info.
Glowbugs - Some excellent theory, vacuum tube circuits, manuals, interesting stories and information.
TechInfo_2 - Vacuum tube equations, design and technical information.
The Tube CAD Journal - A monthly webzine devoted to vacuum tube circuit design and understanding.
Rf Power EXchange - RF power tubes and transistors, large inventory.
Clocks with Nixietubes - Various types of time keeping devices made with Nixie tubes and Nixie tube like componenets.
The Tubes and Valves Online Database - European electron tube charts with characteristic data, basing diagrams, and application info. Includes Russian types.
Triode Tubes - Electronic tube technology featuring books, articles, schematics, video and sound clips.
Triode Electronics, Inc. - Tubes and parts for hi-fi, radio and guitar. Tube data and amp schematics, links to tube amp information.
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