Key in the code for the valvetube you wish to search for and click the query button. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. Vacuum tube theory, a basics tutorial page 4 vacuum tube electrodes the cathode there is a variety of different types of cathode that are used in vacuum tubes. Having more than 20 years of experience in manufacturing hiend vacuum tube amplifier, audio space has established a strong position in the international audio. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. Electron tube data sheets electron tube data sheets, valve, tube, electron tube, vacuum tube, diode, triode, tetrode, pentode, hexode, heptode, octode, enneode. The pictures are representative of the general forms of the tube types, and internal construction can vary from brand to brand. There are less than a dozen modern chinese and russian manufacture tubes in this listing, and they are clearly identified in the descriptions. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a. Antique radio forums view topic 1619 substitute for 45.
The 12av6 was commonly used as a detector and first audio amp in old five tube table radios. Audto bastcs iuly, 1990 page 3 new 6gh8a driver tubes. Tube data vintage info from the age of vacuum tubes. Vacuum tube data sheet locator electronic circuits. This tube was the heart of the dyna st70 amplifier and our super seventy upgrade thereto. A condensed semiconductor brochure is also available upon request. Data sheets amp designs survival tips tube mechanics schematics. Electronics at work 1943 vacuum tube educational documentary wdtvlive42 electronics. Electron tube data sheets electron tube data sheets. The construction of gasfilled tubes is similar to that of vacuum tubes, except that the cathodes, grids and anodes are. The first electronic amplification of sound was done with vacuum tubes. A sincere thanks to both bob cheney, n1dqm, and john red shaw, k1deu, who provided guidance in compiling this tube. The 12at7 is a high mu multipurpose double triode in a 9 pin miniature package.
It was widely used, in specialquality versions such as ecc82 and 5814a, in presemiconductor digital computer circuitry. As if the features above are not enough, tdsl pe includes internet urls for over 9,500 vacuum tubes where you can click to see a data sheet on the web or visit the site which hosts the data sheets. The design is an upgrade of the aaq00336at6 family and has the same pin connections and internal construction with the exception of a cathode connected screen around the cathode. Below are most of the commonly known variations of the 12at7. The tdsl tube data sheet locator personal edition provides information right on your pc for a large number of vacuum tubes. Vacuum tube 6l6wgc, tube amp doctor the classic sound of the 1950s and 60s excellent tone, maximum lifetime. An impressive manly vacuum tube such as an 807 beam tetrode will have about a 1a filament, so an ordinary laptop adapter should be able to power at least 9 tubes check the nameplate rating and the tube datasheets and add maybe 30% margin. The gas pressure in a gasfilled tube usually ranges from 10 mm of hg to 50 mm.
The technical data is contained in the highresolution color scans of over 20 original catalogs from 1958 to 1963. There are many equivalent tubes with different names, some identical, some designed for. Displays real world application data for over 1,700 vacuum tubes. These ge 5965a clear top, side getter tubes sound excellent. This is a list of european mullardphilips vacuum tubes and their american equivalents. The 12sq7 vacuum tube is a metal type used as a combined detector, amplifier and avc tube in acdc radio receivers. It was a special design, a high voltage gain pentode first section and a high current gain triode second section, and it was supposed to be built. Recommended in the following fine vacuum tube gear. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, vacuum tube basics, fun with tubes, about vacuum power tubes. It was principally responsible for the standardised nomenclature for american vacuum tubes however the standard itself had already been in use for a long time before 1953. The 1n34a diode can be left out and the two plate electrodes pins 5,6 will act as a detector.
Series rl circuits resistorinductor circuits circa 1970 us air force training film. Tubes, tube radios, tube theory, tube guitar amps, tube manuals, tube videos, tube basics, tube pdfs, electron tube theory, tube amplifiers, guitar amps, tube radios, tube electronics, 5 tube radios, tube rectifiers, triode tubes, tetrode tubes, pentode tubes, tube biasing, tube. The family consisted of four variants of heater voltage. Basic amplifiers pt12 1963 us army training film electronics.
Although data books specify an upper limit of 400600 mhz, some circuits. The 1619 is a nearly perfect sub for the 45 tube, only the filament current is higher. You can give them a try, but if you dont like a 12at7 subbed in whatever position you try, you will probably not like the 12av7. The type 955 triode acorn tube is a small triode thermionic valve vacuum tube in usa designed primarily to operate at high frequency. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube. The tube is popular in hifi vacuum tube audio as a lownoise line amplifier, driver especially for tone stacks, and phaseinverter in vacuum tube pushpull amplifier circuits. Please see the substitutes at the top of the page for more details. Detailed data sheets on the various tubes listed in this catalog are available upon request. The tube list at abc vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors.
The radio electronics television manufacturers association was formed in 1953, as a result of mergers with other trade standards organisations, such as the rma. Telefunken vacuum tubes have been the benchmark of excellence in all audio applications, both production and reproduction, for many decades. As if the features above are not enough, tdsl pe includes internet urls for over 9,500 vacuum tubes where you can click to see a data sheet on the web or. Your diminutive tube requires only 300ma, so many more could be powered.
The perfect choice for vintage tweed and blackface amps such as the 1960 bassman, twin, showman or super reverb. I am working on posting the rca hb3 tube handbook on line on this site on its. Vacuum tube, electron tube, thermionic valve, valve. Tube 12at6 or rohre 12at6 id2948, double diodetriode, miniatur7pinbase b7g, usa 1940 and audio frequency shown. I need a basic primer on interpreting vacuum tube datasheets. The 12av6 was commonly used as a detector and first audio amp in old fivetube table radios. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. Boxes may have signs of wear from being stored all tubes tested before listing and are guaranteed for 30 days yes. Comprehensive tube data table eia vacuumtube base diagrams table 14triode transmitting tubes table 15tetrode and pentode transmitting tubes material taken from the component data chapter of the 1988 arrl handbook. Browse products from the vacuum tubes category listing products sorted by popular, page 12 the first electronic amplification of sound was done with vacuum tubes. They differ in the construction of the cathode and the materials used. We will combine the shipping cost of multiple tube purchases.
The new old stock tubes we carry are generally various old stock us brands. Data and circuits of tv receiver valves, philips technical library book iiic pdf. Advanced searching facilities help you to compare different types and make substitutes for hard to find vacuum tubes. Tube manuals pdf electronic vacuum tube electronics in. Tube manuals pdf electronic vacuum tube electronics in the. One of the major ways in which cathodes can be categorised is by the way they are heated. Comprehensive tube data american radio relay league. Audio space is the manufacturer and wholesaler of various kinds of vacuum tube amplifier, including preamplifier, power amplifier, integrated amplifier, speakers and audio accessories. Formulas audio speaker electronic circuit financial unit conversion. It has much higher transconductance, and much lower dynamic plate resistance than a 12ax7. Tube 12av6 or rohre 12av6 id1070, double diodetriode, miniatur7pinbase b7g, usa 1940 and audio frequency shown.
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