6n7gt tube data book

It was not an easy decision to me because for that legendary time id almost a year used the qrpp. I have more than 100 pieces, most of them were made in 60s and 70s, this batch is from 1962. Funny, but this book can be found in a common pirates shack as well as in an extraclass 1st xussr category ham one. The 807 is a beam tetrode vacuum tube, widely used in audio and radiofrequency power. Since i am still fairly new to tube building i am surprised that so few components need to be changed when doubling up tubes. Sylvania receiving tubes technical manual code 4002. The 6n7gt has a straight sided glass bulb and the 6n7g has the beautiful coke bottle shape. The metal base sylvania 6sn7w is regarded as the best sounding usa made 6sn7 variant of all times. Glowbugs homebrew projects, rare tube data, translated articles from the old hamradio handbooks and magazines. Philips valve data book, philips electrical industries, 6973 clarence street sydney, radio valve application division, 1958.

Sylvania receiving tubes technical manual code 4002 hifi. Double triode, 6h8c datasheet, 6h8c circuit, 6h8c data sheet. The underscore and these letters are not part of the tube type number. The curves are that of a typical class b tube look at the 57230 curves for an example of the 10. This is done in case of equal tube type numbers for different tubes.

Click to see all 6sn7 6sn7gt 12sn7 12sn7gt in stock. At some point it had to divest itself from making vacuum tubes due to legal matters. Receiving tubes and foreign equivalents data collected from the russian book. This high plate resistance which comes with a rather low transconductance probably is the reason why it lost popularity a bit when higher transconductance tubes became more fashionable. The basic research i have done between the 2 tubes using tube data sheets and they seem to indicate very similar characteristics. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. Tube type list the following list shows the tube types i have entered in my database, with exception of the service types e. I know that there was a 6n7g and 6n7gt american glass tubes, but as i heard these ones was not as common as metal 6n7. Lots of treble and clear mids ge 6sn7gtb side getter. With almost datasheets and the visitor counter indicates over 4000. This is a suitable replacement for any 5894 tube type. Because the technology is rarely used these days, expect quality storebought testers to cost a couple hundred of dollars. The following list shows the tube types i have entered in my database, with exception of the service types e.

Too much sybalance ultra clear mids can sound thin. Check online tube stores and auction sites to find a variety of testers. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics. Heatercathode type twin triode designed for use as a class b power amplifier in the output stage of ac or battery operated equipment. 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.

If the page is blank click here rca 6fq7 6cg7 datasheet. The 14th edition sylvania technical manual contains data on more than 2000 electron tubes. 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. The basic type with metal envelope as pictured above. 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. For a quick test, inspect the tube for signs of damage and listen to the sound it makes. Domestic receiving tubes and their foreign counterparts by. This technical data book has been compiled for the use of the. Also i have halved the value and doubled up the output tube grid resistors. 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. This is a suitable replacement for any 6sn7gt 6sn7gta 6sn7gtb ecc32 dual triode tube type. It also operates at a lower current, typically around 2ma.

From a pricing vantage point other than the one time purchase of the adapters there is a big difference in price for the tubes. Metal type 6n7 and glassoctal types 6n7g and 6n7gt used in output stage of acoperated receivers as a class b power amplifier or with both units in parallel as a class a amplifier to drive a 6n7 g,gt as class b amplifier. There was a long hiatus in tube manufacturing in the late 40s to 50s if i remember correctly and then they started to manufacture them again, but at that time it was late in the game and transistors took over. Big bass really nice top sylvania 6sn7gta chrome dome. For complete technical data please see the data sheet. In this thread, 6sn7 is loosely used as a master term to refer to 6sn7gts, 6sn7gtas, 6sn7gtbs, 6sn7ws, etc in other words, all the available permutations of the 6sn7gt tube. Vacuum tubes are an older technology not often used today, but they still show up in some amplifiers and other devices. The wide glass tube envelope is 27 mm in diameter, and excluding the io base pins, is 65 mm tall. The 6c5s 6u5c double anode kenotron is designed for a. The 6c5s 6u5c double anode kenotron are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxidecoated cathode. It is specifically an audio power valve capable of 10w per pair.

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. You can find tube testers by searching for them online. If this checks out as ok, ill start to put together a shopping list for the rest of the project components. There was a book of the books in early 1970s amateur radio ssb equipment by s. I have an old rca manual with a good data sheet and a schematic for a 6n7 used as class a phase inverter. The simplest vacuum tube, the diode, contains only two elements. Nov 20, 2007 i just currently finished a tube preamp using a 6sn7 dualtriode,ive heard of really good nos tubes to use,like the rca red base,mullards,and other various tubes,but these are usually expensive. Once upon a time id decided to join a big guns gang and made a superduper powerful vacuum tube qrp amplifier for my 800mw qrpp homebrew telegraph vacuum tube transceiver 3t i promise to write a separate article or two about this three tube transceiver project later. Industry wide inscopre, the manual is prepared primarily for the service technician engaged in the troubleshooting and repair of home entertainment equipment. If you cant find what you need here, try duncans tube data sheet locator.