Eabc80 vacuum tube data book

The ecc99 is typically used as a driver for power triodes in 2a3 and 300b amplifiers but can also be used as a power tube in small amps and headphone amps. Nos tubes we have over 25,000 nos new old stock tubes available however we do not keep these on the site due to the sheer volume of data it would produce on the site, also nos is stored offsite in another warehouse and is only handled once per week. This is an excellent book for people new to electronics and vacuum tubes. The tube list at abc vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. The 10y is a small transmitting tube, it is a special version of the 10 which was introduced in the 1920s as type ux210. 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. From vacuum tube to thinking machine by john bryan lewellen and a great selection of related books, art and collectibles available now at. An excellent reference on the history of the vacuum tubes and the growth of the electronics industry is gerald f. One of the grandaddys is theory of thermionic vacuum tubes by chaffee.

With the wide variety of tubes that are in use there are many. Very technical, but goes into depth about what makes a vacuum tube do its thing. Description, the difference between eabc80 6ak8 and 6t8. General electric ge 5654 5654w 6ak5 6ak5w electron. Tubes valves at one point, before the in invention of the transistor, practically all electronic devices were tube based. This is for tubes like 12ax7, 6dj8, 6922, 12at7, 12au7, etc. Although data books specify an upper limit of 400600 mhz, some circuits may obtain gain up to about 900 mhz. Downloadable tube catalog vacuum tubes audio tubes. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. Nos tube specification sheet nos tube specification sheet. For another early work, look for theory and applications of electron tubes by reich.

Basics how does a tube work vacuum tube electrodes diode valve tube triode tetrode beam tetrode pentode equivalents pin connections numbering systems valve sockets bases. The eabc80 was specifically designed 1954 for use in. Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme special quality variants may have the letters sq appended, or the device description letters may be swapped with the numerals e. These nos tubes were obtained from factorysealed military surplus boxes. Free vacuum tube data sheets free vacuum tube substitution. A pair of 46 will deliver a whopping 20w in class b. The idea was to use the same tube as driver and output tubes in class b push pull power amps.

For someone new to these basics, it would make a good primer with the added plus of understanding the tube as well as the basic electronic principles. Detailed, complete with plenty of math and drawings. Mueller gmbh hamburg produced only xray tubes therefore, they were known as roentgenmueller. It has many circuit diagrams, using these tubes and all the information, about these original vacuum tubes. Hickok model 539c transconductance tube tester made in usa. Displays real world application data for over 1,700 vacuum tubes. Materials and techniques for electron tubes by walther h. Power tube selection charts for highpower audioamplifiers eimac,rcapage 1. Tubes were the first widespread method of controlling electrical signals without moving parts. All structured data from the file and property namespaces is available under the. Tubes are guaranteed for 30 days from the day of receipt. Many industrial, military or otherwise professional tubes were also produced.

Graphical constructions for vacuum tube circuits preisman 1943. In overdrive, it is smooth and strong with well defined lows and mids. For other diyaudiorelated information, please visit. Vacuum tube 6aj8 ech81, triode, heptode amplified parts. Superior upgrade for 6j1 tube based amplifiers and preamplifiers. Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements. Identical to type 6ak8eabc80, but with a shorter glass envelope. Tube ebf 80 or rohre ebf80 id720, double diodepentode, noval, b9a and rfifstage shown. If you have never used this facility before, click the help link on the left for detailed instructions. Beginning in the 1950s mullard was producing hifi amplifiers that used the ef86 as a highgain.

Interelectrode capacitances and miller capacitances are minimized by the small dimensions of the device and the widely separated pins. Add only the numerical characters of the item number. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. This exibit is of foreign origin, our other example eabc80 is british made. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Franks electron tube pages tube number systems european system after 1934.

Vacuum tube, electron tube, thermionic valve, valve. Introduced in the late 1950s, it is used as a preamp in audio equipment and instrument amplifiers. We will supply a tube from one of these major american brands rca, general electric, sylvania, or tungsol. 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. Only a few types are still used today, mainly in high. The nos russian 6h30pdr tube is a fantastic tube for highend audio. Direct replacement for 6ak5, 6ak5w, 5654, 5654w, 6j1 tube. Typical valve tube audio amplifier that might be used today. This exibit is of british manufacture, our other example eabc80 is labelled foreign.

It slowly takes you through basic electronic concepts using a vacuum tube as the teaching tool. This tube has a well balanced, colorful tone with strongly defined lows, mids and smooth highs. In the 12dw7ecc832, section 1 of the tube pins 6, 7, and 8 is the high gain 12ax7ecc83 spec gain factor 100 and section 2 pins 1, 2, and 3 is the low gain 12au7ecc82 spec gain factor 17. Well built and will last over thousands of tube changes. This months tube is one of my favorite directly heated triodes, the 10y. The eabc80 6ak8 has a better shielding between heater and the other electrodes, particularly to the triode control grid, in order to suppress hum. 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. Text in other languages may differ 52 tube prices visible for members only. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand. 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 tube list at esrc1 vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors.

Most postwar european thermionic valve vacuum tube manufacturers have used the mullardphilips tube designation naming scheme. Please, follow these basic instructions to place your order. The triode and two diodes share a common cathode but one diode has a separate cathode. 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. Considered one of the best of the 5654 6ak5 ef95 family of tubes for audio use. If you swap tubes in and out a great deal as in a tube tester or amp where you tube roll wear out this socket saver instead of your difficult to replace 9 pin socket. The equivalents for thermionic valves or vacuum tubes, including the diode, triode, tetrode. For other taylor tubes, see the entire 1945 taylor tube catalog in pdf format note, 1.

Characteristics of 2,500 valves and cathoderay tubes. Check out the new look and enjoy easier access to your favorite features. They are typically considered the premium version for the 6h30 tube type such as 6h30, 6n30 or 6n30p. To search for tube data, simple click the search link on the left. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Vacuum tube 6ak8 eabc80, dual diode, triode antique.

This auction is for one new old stock 6t8a eabc80 6ak8 vacuum tube in original box. They differ in the construction of the cathode and the materials used. I need a basic primer on interpreting vacuum tube datasheets. Tube 6t8 or rohre 6t8 id3910, triple diodetriode, noval, b9a and shown. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database.

Tube data vintage info from the age of vacuum tubes. The first computers were vacuum tube based and took up rooms while vacuum tubes are considered outdated by. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.

The eabc80 was specifically designed 1954 for use in the detector stage of early fm and fmam radios. This is our list of currently available ballast tubes. This is a list of european mullardphilips vacuum tubes and their american equivalents. The simplest vacuum tube, the diode, contains only two elements. One of the major ways in which cathodes can be categorised is by the way they are heated. Hickok model 539b tube tester, reworked, refurbished. Tube data in addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. Ecc32 filament current 950ma, 6sn7gtb filament current 600ma, ecc34 filament current 950ma very rare tube with superb sound and recommended as the input tube. Covers how tubes work and how to design circuits around them, with chapters on class aab1 and ab2b amplifier design, power supplies, and more.

This data is scanned and may contain errors caused by the ocr software. The ef86 is a high gain pentode designed to amplify lowlevel audio signals. All are new, unless otherwise described with a used suffix after the type name. Youll find it in a lot of the bibliographies of later works. Also includes very nice cross reference for americanforeign numbers and cv numbers. Vacuum tube 6aj8 ech81, triode, heptode triodeheptode for use in f. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, about vacuum power tubes, what is a vacuum tube, franks electron tube pages. The type 955 triode acorn tube is a small triode thermionic valve vacuum tube in usa designed primarily to operate at high frequency. Make offer 109x vintage vacuum pentode tubes 6p14p el84 6bq5 used all tested. This is by no means exhaustive, so if you feel you can add to this then please mail me and ill get the information included, with appropriate credits. To reach this power the grids need to be driven positive class b2 operation. The first electronic amplification of sound was done with vacuum tubes. So what was the reason why such a tube was developed. It allows for more clean headroom than higher gain 12ax7s.

Tynes book saga of the vacuum tube originally published by howard w sams inc. New listing vintage jan chy 5692 6sn7 cbs tube black plate brown base tube tested. Media in category philips vacuum tubes the following 1 files are in this category, out of 1 total. This tube features a rugged construction and is also available with gold pins. Tv tube, 43cm diagonal, electrostatic focusing, magnetic deflection, white fluorescence, tetrode system, 110 degrees deflection angle 431qq44 identical to 430qq44, except with metalbacked screen. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Vplate 250v, vgrid 16v, iplate 10ma, gm 2200, rplate 5.

Your diminutive tube requires only 300ma, so many more could be powered. Tested and matched pair 2 tubes of lownoise 7pin nibnos ge jan 5654w vacuum tubes. Data from or other sources as supplied by john atwood. Both grids tied together will result in a tube for class b use. The jj electronic ecc99 is a noval based dual triode. A video of the early days of radio and vacuum tubes is pbss empire of the air. This 1932 rca below manual provides all the data sheet information, of the first radio receiving tubes ever made, from about 1920 to 1932. It is very similar to the famous 801a which has a higher maximum plate voltage and dissipation. Ballast tubes can act as voltage dropping devices and as current regulators. Special quality variants may have the letters sq appended, or the device description letters may be swapped with the numerals e.