Very extensive list of various types of tube information including electronics humor section.

A scope clock, and tiny scope museum. The "Scope Clock" kit may be purchased.

Various types of time keeping devices made with Nixie tubes and Nixie tube like componenets.

Tube amp schematics, tube datasheets and other tube related technical info.

Internet resource for vacuum tubes.A data sheet data base for tubes. SPICE models for vacuum tubes, and software available for download.

Care and feeding of power grid tubes. A lot of information on beam power tubes also.

Vacuum tube, vintage radio and electronics information. Extensive listings of tube data sheets.

Data sheets, search, history, tube bases, and numbering systems, substitution list and an extensive link list. All you would need to know about vacuum tubes.

Some excellent theory, vacuum tube circuits, manuals, intersting stories and information.

Quite a few good links to tube parts sources.

An extensive collection of pictures and information of old, unusual and unique vacuum tubes.

Antique glass and vacuum stuff, for electronics and high voltage.

Some pictures of Nixie and other types of old and unusual vacuum glass tubes.

Audio tube amplifier project. European tube number guide. Links to other tube sites.

RF power tubes and transistors, large inventory.

Tube factories and their logos.

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.

Application notes on the care and feeding of Svetlana tubes, mostly for high power service.

Vacuum tube equations, design and technical information.

In 1879, the legendary American inventor Thomas Edison publicly exhibited his incandescent electric light bulb for the first time. This led to the invention of the vacuum tube.

A monthly webzine devoted to vacuum tube circuit design and understanding.

European electron tube charts with characteristic data, basing diagrams, and application info, includes Russian types.

Tubes and parts for Hi-Fi, Radio and Guitar. Tube data and amp schematics online, links to tube amp information on the web

A great resource for tube theory and operation. Quite a bit of history also.

Datasheets for about 3,000 vacuum tubes.

Technical data, theory, trouble shooting information for high power tubes.

Vacuum tube sockets for sale.

How to use them and how they work. List of tubes and what they are used for.

How to use them and how they work. One of the more accurate vacuum tube FAQs on the net.

Vacuum tube resources for students and more advanced users.Everything from fundamental techniques to SPICE simulation.

A long list mostly audio stuff. Links to substitution guides, data sheet sites.

All about vacuum tubes. Tube audio amp kits.

N9TEW is supplier of vacuum tubes for ham, audio and antique radio purposes.

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.

Audio tube related link list, forums and newsgroups, tube amplifier collection and tweaking. Audio amplifiers that use tubes. Tube replacement list included.