I have 120, but they are rather large and there may be issues with posting them if they have taken down the links. Do not attempt to use these boards unless you are familiar with safe high voltage handling techniques. Audio perfectionist journal, the, all issues collated into one indexed pdf, as a 16mb. Rider pdf at how electronic tubes work c1944, by general electric company pdf at an introduction to television, by clarence j. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, fun with tubes, about vacuum power tubes, what is a vacuum tube. The best all around reference work i am aware of would be a volume entitled electron tube design, published for internal use by rca in 1962. Many instances of misidentified tubes, misinformation about production history, undefined subjective terms rampantly bandied about, gratuitous omissions. Online hifi magazine secrets of home cinema and hifi.
A very unassuming title for a 617page engineering book. Vacuum tube valley magazine pdf back issues groupdiy. Sadly, charlie kittleson passed away on february 10, 2009. This creates a linear region in which a change in v g such as from an audio or rf input signal creates an equivalent but larger change in i p. The tube collector, published by a group of passionate amateur collectorhistorians. This is a very detailed build, with lots of pictures and links to suppliers. Octal line stage projects a valve rectified 5y3gt preamplifier using a 6sn7gt12sn7gt12sx7gt. All about vacuum tube guitar amplifiers paperback may 1, 2009. Vacuum tube valley magazine get the entire 20 magazine set for. Vtv is a highquality quarterly publication devoted to the colorful past, present and future of vacuum tube audio electronics. Contributed by bob chabot keep vacuum simple new dayco products technology provides many vacuum solutions. Vacuum tube amplifiers article pdf available in ieee microwave magazine 107.
The vacuum tube rides again the renewed interest in vacuum tube technology seems to be a reversal of greshams law, a law in economics which says that bad money will drive out good money. They differ in the construction of the cathode and the materials used. But once you get past that, it shouldnt be a surprise that a vacuum tube has a relatively high resistance. The top curve shows that with v g 0, there is plate current. February 2018 new and newoldstock tubes vacuum tube. This was intended for training tube design engineers and lab technicians who worked for rca, which was. All 20 issues of vacuum tube valley magazine are available. Modern equivalent to vacuum tube valley magazine audiokarma. Just perused the collection again, and, though it is very entertaining reading, i realize why i was never smitten with this magazine.
Please subscribe below to ensure delivery of future digital editions. To start viewing messages, select the forum that you want to visit from the selection below. One of the oldest forms of vacuum tube the xray tube has been around since the late 19th century. Vacuum tube projects contain potentially lethal voltages.
So, this book isnt organized, start to finish, to take you from one level of knowledge to another. All 20 issues of vacuum tube valley magazine are available for free download. Vacuum tube valley, all issues zipped into one 140mb. The vacuum tube an introduction bob devance, k5crx many hams think that vacuum tubes are strictly a thing of the past. Read more about building your own vacuum form machine. Download all the issues of vacuum tube valley magazine for. A wide variety of vacuum tube options are available to you, such as 2 2. Guitar amplifiers learn about how toget the bestguitar tone. There are numerous types of electron tubes manufactured. A vacuum tube is one from which the air has been removed to form a partial vacuum. Vacuum tube theory, a basics tutorial page 4 vacuum tube electrodes the cathode there is a variety of different types of cathode that are used in vacuum tubes. Rochlin was good friends with editor of vacuum tube valley charlie kittleson were good friends over the years. Japanese audio magazine, sponsored a tour for 14 tube. You can also choose from professional amplifier, home.
Besides the obvious application of medical imaging, xray tubes are used today for security scanners weve all seen those at the airport, food inspection systems, thickness gauges, and more. Edited by charles kittleson very high quality quarterly publication for electronic enthusiasts interested in the colorful past, present and future of vacuum tube electronics. One of the major ways in which cathodes can be categorised is by the way they are heated. In this modern era of increased electrification and intensified light weighting, automakers and their suppliers are continually seeking new solutions that can be applied to as many vehicle models as possible. Apply here national vacuum environmental services corp. Check with us for the new quarterly issues as they come out during the year. Vacuum tube valley is published quarter ly for electronic. As he explains, he writes a monthly column for a guitar magazine and, when enough of those articles accumulate, he puts them in a new book. February 2018 new and newoldstock tubes page 2 type price type price type price type price type price 01a st 40. Understanding a large variety of confusing specifications is one of the most challenging aspects of selecting a new vacuum cleaner.
Audiophiles with interesting projects strong technical content and links. The basic circuit for a triode amplifier is shown in figure 4. Contact us national vacuum environmental services corp. So if you want to pass big currents, you need big voltages to push the current across the void. Fundamentals of engineering electronics, william dow, 1937, 617 pages courtesy of an anonymous donor. The metal tube was introduced in 1935, but glass envelopes never disappeared and were constantly improved. Rochlin it is well known that editor of enjoy the steven r. As v g becomes more negative, the current curves flatten out at lower values of i p. What are the best academic articles about vacuum tubes. Vacuum tube valley, volume 10 antique electronic supply. Cleaning ability is not just about power and suction, even though these attributes are important elements of vacuum cleaner performance. Audio magazines, webzines and archives of the no longer published. Download all the issues of vacuum tube valley magazine for free.
Vacuum tube, electron tube, thermionic valve, valve. Vacuum tube valley vtv was a magazine produced by charlie c. Jumpjet is a free informational website, offering unusual, informative and thoughtprovoking links, documents, downloads, and resources through our various incarnations, we are proud to have been placing free content online since 1992. Vacuum tube valley magazine vtv19 newspaper and magazine. Vacuum tubevalve experimenter printed circuit boards. The simplest vacuum tube, the diode, contains only two elements. Tube collector is edited by ludwell sibley, respected author of the reference volume tube lore, who has also written hundreds of tube related articles for various radio publications.
Norcal products is a premier global source for high and ultrahigh vacuum chambers, weldments and over 6000 vacuum components ranging from foreline traps, isolation and pressure control valves to. If you want to make your own vacuum form machine, this is a mustread web site. As the old adage says, if you know how it works, it. If this is your first visit, be sure to check out the faq by clicking the link above. An example of this is when our government decided to mint nonsilver quarters. The first part of the book has a rather indepth treatment of vacuum tube operation, and.
Vacuum tubes work by conducting electrons across a vacuum. Vacuum tube valley magazine get the entire 20 magazine set for free. Transistors were invented in 1948, and in the next decade were. The final pattern of electron tube was the miniature or allglass type, which became the predominant receivingtype tube after about 1945. Those of us who use vacuum tubes or valves if you prefer in our hobby or business will know that research and development before punching chassis can be a difficult task. The truth is there are a lot of tubes still filling important roles daily in the amateur radio world. Vacuum tube valley magazine get the entire 20 magazine set. Listening to 6sn7s sound reveiw of different typrs of 6sn7s. In this lesson you will study the early experiments in the development of the electron tube and the various types and. Vtv is a highquality quarterly publication devoted to the colorful past, present and future of vacuum tube audio electronics, featuring articles on modern and vintage vacuum tubes, transformers, capacitors and components, early vacuum tube technology, cl. Please note that jumpjet is not a business involved in the trade of goods or services to consumers, and that we do not host. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. Norcal products the vacuum chamber experts youtube. You can download each issue of vacuum tube valley in pdf form at the links below.