As of 3505, i have finished scanning the general section, receiving tubes part 1, receiving tubes part 2, miscellaneous, specialpurpose receivingtype tubes, thyratron, ignitron, and glowdischarge tubes, and most of the transmitting tubes, as well as all. I am working on scanning and placing on this page the entire rca hb3 tube manual. We create and operate advanced experimental systems to address national needs, support research in material, life, and environmental science. For other taylor tubes, see the entire 1945 taylor tube catalog in pdf format note, 1. The 6j5p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. Always check the bias and idle power of the tube with the new rectifier to be certain that it is running within spec. For other diyaudiorelated information, please visit. Ge essential characteristics, the whole 228 page book in an indexed pdf file big, 11mb. You will need to be an experienced test technician to carry out these repairs. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics. In addition, when changing to a higher output rectifier in a self biasing aka cathode biased amp, eg, champ and others never assume that the power tube s isare safe. Power tube selection charts for highpower audioamplifiers eimac,rcapage 1. Antique radio forums view topic 6n6 replacement tube 6k6. Description the 6j5p 65 hightransconductance pentode has been designed for h.
In most cases, they can all substitute for each other. It is also a good idea to maintain your tube tester. I will first attempt to describe each version and provide data for each. As back in the era, similar schematic and service info was available for purchase from sources such as sams photofacts, but these printings were a nocost bonus for readers.
Discussion in amps and cabs started by straticus, feb 18, 2009. Increasing the cathode bias resistor is often necessary. Use of the data booklet is relevant to this question. Swagelok tube fittings is that the tubing must be softer than the fitting. Students may also use this booklet in all as and a. The pressure difference is proportional to the height h shown in the diagram. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Test data 2173 20 pages, update 11170 2 pages, update 11173 2 pages, update 6173 2 pages, update 011172 9 pages, update 81574 1 page, update 21575 2 pages, tube data book 7576 59 pages and finally 59 page tube test data book dated january 1978. The thin metal tube envelope is 25 mm in diameter and excluding the io base pins the valve is 50 mm long. If you have never used this facility before, click the help link. The ruler is again balanced, this time with the test tube containing the ball bearing suspended a distance of 24.
Xray data booklet xray data booklet center for xray optics and advanced light source lawrence berkeley national laboratory introduction xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron. Purchasers beginning on their tube rolling odysseys beware misleading first impressions. Key in the code for the valvetube you wish to search for and click the query button. Barczynski, who offered me a lot of diskspace online, i can put all my datasheets on the web.
Eico 625 tube tester complete tube test data book ebay. The ball bearing is placed inside the test tube and the above procedure is repeated, keeping the 0. According to the 1946 sylvania tube manual, the 6n6 is a dual triode with direct coupling from one section to the other, and is the octal equivalent of the 6b5. Lawrence berkeley national laboratory introduction. Use of these parameters shall be entirely at the users own risk. Tubes free delivery possible on eligible purchases. I made an adapter to convert the pinout of 12ax7 to 6eu7.
The number of marks is given in brackets at the end of each question or part question. These specifications are provided asis, with no warranty of any kind. By coincidence, im working on a silvertone 4590 which also uses 6n6 tubes. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. A friend of mine would like to re tube her gibson falcon. Check out the massive plate in this tube, it wouldnt glow even with 40 watts of dissipation. This booklet cannot be used for paper 1 of the examination slp1 and hlp1, but the periodic table given in section 6 will be available as part of these. This means clean and retension the sockets, and apply contact cleaner to the switches. General double triodes, used as an regulator in electronic stabilizer circuits.
Rectifier comparison and interchangeability chart kca. So, while every 7025 is a 12ax7, not every 12ax7 is a 7025. When an evacuated glass tube of volume 200 cm 3 is filled with a gas at 300 k and 101 kpa, the mass of the tube increases by 1. This is historic data that we found on the internet. My 2 favorite tubes are the rca long black plate and the sylvania short grey plate 12ax7 so this tube has pretty big shoes to fill. This booklet of formulae and statistical tables is required for all as and a. In the commercial electrolysis of brine, the products are chlorine, hydrogen and sodium hydroxide. 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.
The center for xray optics advances science and technology using short wavelength optical systems and techniques. The key to selecting proper tubing for use with metal. 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. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. Although offered in good faith, there are no guarantees with this information. Then, i will follow up with short descriptions of some that i. Tube 6ba7 or rohre 6ba7 id3720, pentagridconverter heptode, noval, b9a and pentagrid new shown. At the end of the examination, fasten all your work securely together. Quality russian 6j51p tube was made in ussr for the military equipment.
Tube 6eh7 or rohre 6eh7 id4811, vacuum pentode, noval, b9a and rfifstage shown. Downloads, supreme instruments manuals, tube data, and. Medium 7pin other characteristics of this type are the same as for type 6n7. This video goes through what should be written in each page of the data booklet. The 6j2p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. Our preferred method of payment is via wire transfer of funds. After a dozen onoff cycles and about 20 hours playing music while doing other things, your old scribe sat down to listen and establish whether some critical listening could begin, knowing this is at least hours short of the recommendation. The 1959 book lost some older tube data, and some of the good info in the appendix, but gained a bunch of picture tube crt data, modern tv tubes, as well as.
Description the 6j2p 62 highfrequency shortcharacteristic pentode has been designed for h. The maximum mark for this examination paper is 40 marks. Radio service data sheets these schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. Supreme instruments manuals, tube data, and schematics. You can use acrobat for viewing and printing pdf files. The 12ax7 is one of the most widely used double triodes in audio circuits. Mullard e182cc would be a vast improvement over the chinese 6n6. So far its a great tube and i have several old stock tubes like the 1957 rca long black plate 12ax7 and sylvania, raytheon, hytron, g. However, there is a smaller booklet of formulae available for use in as and a. Fourth and final section consists of tube test data booklets scans. This will help keep the unit performing at its peak level for a long time. International baccalaureate rganization 20 19 m194physihpmen tz 1xx 2219 6507.
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