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World Tube Audio Portal - http://www.worldtubeaudio.com/
Audio tube related link list, forums and newsgroups, tube amplifier collection and tweaking. Audio amplifiers that use tubes. Tube replacement list included. |
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Shortwave Transmitter Tubes - http://www.tube.be
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. |
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Vintage H.H. Scott Hi-Fi Stereo Archive - http://hhscott.com
Information on vintage H.H. Scott (vacuum tube) consumer high fidelity audio products produced from 1946 through 1966. Includes schematics. |
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Dr. Tube - http://www.drtube.com/
Tube amp schematics, tube datasheets and other tube related technical info. |
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Svetlana Applications Notes - http://www.rfparts.com/tubesvet.html#svetlana
Application notes on the care and feeding of Svetlana tubes, mostly for high power service. |
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Tubeopedia - http://www.tubeopedia.com/index.php?title=Main_Page
A wiki encyclopedia of information on vacuum tubes and related topics including equipment that uses tubes, circuits, theory, and companies. |
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Vacuum Tubes - http://www.hamtubes.com/tubes/
N9TEW is supplier of vacuum tubes for ham, audio and antique radio purposes. |
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DIY Vacuum Tube Testing - http://www.tubetesting.yolasite.com/
An information on building an equipment for the testing of of vacuum tubes. |
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Glowbugs - http://www.mines.uidaho.edu/~glowbugs/
Vacuum tube circuits, some theory, manuals, and calculators. |
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The Tubes and Valves Online Database - http://www.ginko.de/user/franz.hamberger/infobase/charts/roehren/
European electron tube charts with characteristic data, basing diagrams, and application info. Includes Russian types. |