Power tube selection charts for highpower audioamplifiers eimac,rcapage 1, rca page 2. The growth of fastglycolytic muscle in obese mice also reversed hepatic steatosis, normalized responses to exogenously administered glucose and insulin, and lowered circulating levels of glucose, insulin, and leptin. For substantially more gain, i discovered the 12bz7 some years ago. The bicinchoninic acid bca assay is a protein quantification technique that was first demonstrated by paul k. Please see the substitutes at the top of the page for more details. 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. I am working on posting the rca hb3 tube handbook on line on this. Instrument accessories free delivery possible on eligible purchases. The 12bh7a is also 38 taller than a 12au7, and draws twice the heater current 150ma more than the 12au7. 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. Rca describe the 12ca5 as being designed for operation on a series heater string. Antiha 12ca5 mouse monoclonal antibody clone 12ca5 to a peptide epitope derived from the hemagglutinin protein of human influenza virus.
The amount of 12ca5 antibody added at this step must be determined empirically depending on the particular lot of 12ca5. The only caveat is youll need to make sure to find one that isnt or doesnt become microphonic. I found a large amount of matched pairs tektronix, inc. My tube manual indicates that these tubes are video amplifiers. The technophool page links checked 19 apr 07 some retrotech articles on this site.
The principle of this technique is quite similar to the lowry protein assay, which is one of the alternative protein quantification methods. The underscore and these letters are not part of the tube type number. Tube type list the following list shows the tube types i have entered in my database, with exception of the service types e. But the issue is tube venders are saying it is a direct substitute for an el34 in all situations. I had a heathkit nixie tube frequency counter when i was a kid, plus the numitron calculator and the clock too. Tube list within range of tubes 12a 12z5 at esrc vacuum tubes. How to identify tv7 tube tester version antique radio forums. These data illustrate the importance of fastglycolytic muscle in the control of obesity and wholebody metabolism. When over driven, the tube will read lower than expected. Tube 12ca5 or rohre 12ca5 id3992, beam power tube, miniatur7pinbase. I am working on scanning and placing on this page the entire rca hb3 tube manual. Tube 12cu5 or rohre 12cu5 id5345, beam power tube, miniatur7pinbase b7g, usa 1940 and shown.
In12 nixie data read 227 times 0 members and 1 guest are viewing this topic. Set the controls as indicated in the settings data for the tube under test. Why is it you never hear of 12xv7, 12ay7 or 12az7 pre amp. It also has slightly less plate resistance, with slightly higher transconductance, but near equivalent amplification factor of the 12au7. How to identify tv7 tube tester version antique radio. Lowry protein assay an overview sciencedirect topics.
Alan douglas outlined this discussion in his book under when tube testers disagree the 12ax7 being one of the worst case scenarios. 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. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. In my listening experience, these 12bz7 are very, very clear articulate, and tend to emphasize treble a bit. Smith at the pierce chemical company in 1985 smith et al. The tube list at esrc1 vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. The obsolete and seldom used list from the 1946 sylvania data book my list of similar and equivalent tubes with different bases a list of tube introduction dates which might help in dating an old radio thanks to ken owens. 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. The electro harmonix 6ca7 is not and i repeat not a power pentode like the original 6ca7s were, in fact they are beam tetrode as stated on the electro harmonix website. But if it is microphonic, it may still be a fun tube to try in your phaseinverter position if youve got a 12ax7 there now microphony will not be a problem in the pi. For other taylor tubes, see the entire 1945 taylor tube catalog in pdf format note, 1. Tubes are then centrifuged at 4 for 1 min at 10,000 g to pellet the protein a beads and each supernatant is transferred to a new 0. If the page is blank click here rca 6fq7 6cg7 datasheet. Browse our tube products to find the tube you are looking for.
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 12ca5 or rohre 12ca5 id3992, beam power tube, miniatur7pinbase b7g, usa 1940 and poweroutput shown. With almost datasheets and the visitor counter indicates over 4000. Insert the tube in the proper test socket and set the power switch to the on position. A good tube will strike within the limits given in the settings data. 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. Diagram and data including transformer winding data for building a 75w ab2 amp using 6l6 or 807 page1, page 2, page 3, page 4, page 5, page 6, page7, download a zip file of all fgiles on the 75wab2 amplifier by clicking here. You can use the search to find service types or go to the service type lists that you can access from the page more tube related stuff. Antiha 12ca5 is used for the immunochemical detection of native influenza hemagglutinin protein and recombinant epitope tagged proteins containing the ha epitope in western and dot blots, immunocytochemistry, and immunoprecipitation. It is commonly assumed that the russian 54 5u4s rectifier is equal to the western 5z4g, and its true. Fastglycolytic muscle fiber growth reduces fat mass and. Intended for use in equipment having series heaterstring arrangement.
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. This is done in case of equal tube type numbers for different tubes. The thin glass tube envelope is 17 mm in diameter, and excluding the b7g base pins is 58 mm tall. Supernatants are then rocked at 4 for 45 min to allow formation of antibodyprotein complexes. Makes a high gain amp even gainier with a gain factor of 117% the 12ax7 has a gain factor of 100%. The following list shows the tube types i have entered in my database, with exception of the service types e. See instruction book sd828e 828 878 ck1042 ap01050 1274 1641 1649 5690 jw05073 se2566a se2935 se3222 se3294 se3373 se3382. Radioactive aerosol an overview sciencedirect topics.
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