Rca 7n7 vacuum tube to replace 6sn7 jimmys junkyard. A quick check in tube test conditions for hickok cardmatic tube testers, published by hickok in 1962, shows that they are tested with exactly the same electrode voltages and have the same fullscale gm. The nu should be a great tube but i have yet to have one work more than a few hours. Many thanks to bill beech, nj7p for his efforts in providing the data found on this site. All 7n7 tubes were manufactured by sylvania with one exception. For additional data and curves, see types 6ttj and 6a6, and the resistancecoupled amplifier chart. So most ham manufacturers jumped on it from the start and used it until the end of tube sets. Mar 23, 2006 all 7n7 tubes were manufactured by sylvania with one exception. Its always interesting to try something new especially vacuum tube. Support for the7 multipurpose website building toolkit. From a pricing vantage point other than the one time purchase of. We have general electric usa, not ukand rca recieving tube manuals for sale, as well as the rca transmitting tube manual tt4, and a book of data on.
Would you like to see a tube added to the database. Use of these parameters shall be entirely at the users own risk. How to make a quick and easy 8 page minibook from one piece of paper duration. The triplett 3444a, however, does test these with different parameters. The wide glass tube envelope is 27 mm in diameter, and excluding the b8b base pins is 53 mm tall. Dec 26, 2014 its always interesting to try something new especially vacuum tube. Any modifications or derivative works that incorporate any code, designs, artwork, data, information, graphics, images, processes, inventions, techniques, materials, forms, reports, devices, or other content of the source code of the product will be owned by licensor. Many of them are currently still in production, some are available in nos new, old stock, some are almost impossible to find. The 7c7 is a sharp cutoff rf pentode on a b8b or loctal base. Every effort has been made to insure the accuracy of this reference, however, i assume no liability for the results of using information contained herein.
Lawrence berkeley national laboratory introduction. It was discovered early on that it would make a splendid crystal oscillator for ham rigs and driver tubes for the higher power transmitters. Can the 7af7 be rolled in for a 6sn7 in any pre amp using the 6sn7 i currently use a blue circle bc. These specifications are provided asis, with no warranty of any kind. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. The tube manufacturer chooses these values to provide acceptable serviceability of the tube, taking responsibility for the effects of changes in operating conditions due to variations in characteristics of the tube under consideration. The outer screen covers the rest of the construction. This support page will give you more information on the level of support offered for the7 multipurpose website building toolkit for wordpress that you can purchase from themeforest. If you have never used this facility before, click the help link. Quality russian 6j51p tube was made in ussr for the military equipment.
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. Im quite sure we are familiar with 6sn7 vacuum tube, which is commonly used in pre amplifier and even a lot of amplifiers are using this tube in inputdriver section. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics. Supreme instruments manuals, tube data, and schematics. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. Many of these items have been discontinued by the manufacturer. Xray properties of elements electron binding energies xray energy emission energies fluorescence yields for k and l shells principal auger electron energies. The basic research i have done between the 2 tubes using tube data sheets and they seem to indicate very similar characteristics. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. We strive to keep as many product in our warehouse, however, once stock is depleted, sometimes it. From a pricing vantage point other than the one time purchase of the adapters there is a big difference in price for the tubes.
The kenwood ts830 uses one for a driver and that is early 1980s. Colonial model 652 5tube broadcast shortwave superhet radio service data sheet march 1935 radiocraft. 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. 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 energies subshell photoionization crosssections. The brand does not matter if its a 7n7 its a sylvania tube the exception is the national union tall bottle, gray glass 7n7. We strive to keep as many product in our warehouse, however, once stock is depleted, sometimes it is not possible to obtain any more inventory. This tube has the classical grid construction and the tube. A sylvania jan 7f7 loctal with its close relative, an rca jan 6sl7gt. Tube 7a7 or rohre 7a7 id2724, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown.
January 1939 radiocraft table of contents wax nostalgic about and learn from the history of early electronics. Tube 7b7 or rohre 7b7 id2855, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown. Key in the code for the valvetube you wish to search for and click the query button. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Downloads, supreme instruments manuals, tube data, and.