7w7 tube data booklet

This technical data book has been compiled for the use of the radio industry. This database has been accessed 151402 times since january 1. Please see the substitutes at the top of the page for more details. 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. The basic research i have done between the 2 tubes using tube data sheets and they seem to indicate very similar characteristics. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962 complete tube data is in every single box, like big transmitting us wwii tubes. A differential driver stage using 7w7 loktal pentodes drives the 307a grids via. January 1939 radiocraft table of contents wax nostalgic about and learn from the history of early electronics. Both 6p7s and 6bg6 tubes has the same pinout and nearly the same characteristics. This tube is not a direct 6bg6 clone, it is an octal modification of g807 tube, which one was soviet clone of famous 807.

This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. The 6p7s output beam power tetrode is designed for operation in line scanning output stages of tv receivers. The 7c7 is a sharp cutoff rf pentode on a b8b or loctal base. Tubes are tested on one of my custom testers at tube data sheet specs for dynamic micromhos and current readings when applicable.

The outer screen covers the rest of the construction. Since he puts 5881 next to the 6l6, this tells me it might be the 6l6wgb which is very different from the 6l6gc. Tube 7w7 or rohre 7w7 id3958, vacuum pentode, loctal8, b8g sylvania, 1938. Typical radio receiver and amplifier circuits 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16. I note in my tube manual that the 6dj8 is listed as having a nominal u amplification factor of 33, while the 7es8 is listed here as having a nominal u of 65. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962. I change this directory structure often and your links will not work correctly. Nov 17, 2011 exact equivalent multiple tubes ok for 7199. Types 7v7 and 7w7 are electronically identical except for base connections. Numbers shown in light blue background are coldcathode tubes.

Philips 7581a power tubes data sheet in thread fractal. Our preferred method of payment is via wire transfer of funds. The wide glass tube envelope is 27 mm in diameter, and excluding the b8b base pins is 53 mm tall. A few specialquality tubes did not have a standard equivalent, e. I designed and build a expensive singleended tube headphone amp using it, the. Colonial model 652 5tube broadcast shortwave superhet radio service data sheet march 1935 radiocraft.

This note describes the special features of the rca7199 triode pentode, and discusses its application in hifi audio equipment. Tube 7w7 or rohre 7w7 id3958, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown. There might need to be a discussion on what 6l6 tube cliff has modeled. Oct 24, 2011 6cs7 mediummu twin triode tube vt6cs7 6cs7 twin triode tube, new old stock, boxed. Ang magiting na mananahi kwentong pambata filipino fairy. The obvious differences are the pinouts loctal vs octal. This database has been accessed 151402 times since january 1, 2001.

Tube 7b7 or rohre 7b7 id2855, vacuum pentode, loctal8, b8g sylvania, 1938 and rfifstage shown. From a pricing vantage point other than the one time purchase of the adapters there is a big difference in price for the tubes. Sylvania cathode ray tube data 1 2 cathode ray tube base diagrams. A flat sheet beam is electrostatically deflected across the anode which is. The tube database search site cgi scripts by justin poirier. Can the 7af7 be rolled in for a 6sn7 in any pre amp using the 6sn7 i currently use a blue circle bc. For maximum ratings, typical operation as a1 amplifier, and curves refer to refer to glassoctal type 6sl7gt 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. Kenrads booklet etr16 is a must for the dealer or service man who wants a con venient, concise, and compre. Further, filipino fairy tales channel denies any and all liability or responsibility for the practices and policies of youtube and its agents and. This was news to me because rcas rc22 tube manual states. Applications of the rca7199 triodepentode in highfidelity audio equipment.

If the page is blank click here rca 6fq7 6cg7 datasheet. Radio service data sheets these schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. Tube 1 12741771 tube 2 10181994 tubes are showing some use but still a nice pair of vintage mullards. I am working on scanning and placing on this page the entire rca hb3 tube manual. Etc, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. If the page is blank click here sylvania 12dw7 datasheet. How to make a quick and easy 8 page minibook from one piece of paper duration. Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock. The 6n24p double triode is designed for amplification of highfrequency voltage in cascade circuits of radio equipment of wide use. Data for soviet tubes can be found the same way as the other tubes. Ang magiting na mananahi kwentong pambata filipino. 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. 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.