I played it for a while both in the room and then hearing it through the in ears. The base which appears on the first of these tubes is very definitely western electric, and is of a type that was used on production tubes from about 1917 through 1925. Western electric engineered, designed, produced or experimented with over 785 different tubes from 19 1988. Western electric audio equipment models on audiogon, the highend audio community. Vintage and antique original western electric telephones. The western elecric code numbers assigned to this type were in the 203 series, the first being 203a.
Western electric was one of the earliest commerical tube manufacturers, and made many classic designs that are still very much in demand today, especially in the audio world. Spheres western electric northern electric vacuum tube page. The tube at the right is a western electric vt25 transmitterrated type 10. Isbn 9780963244017 9780963244017 softcover, antique electronic supply, 1992. In 1872, barton and gray moved the business to clinton street, chicago, illinois, and incorporated it as the western electric manufacturing company. This same tube was used by the us navy under the designation cw933. Western electric vacuum tubes valves bottleof magic a. Western electric vintage vacuum tubes for sale ebay. Western electric tubes were packaged in rectangular boxes printed with the words, western electric, and electron tube, where an electron tube is simply another name for a vacuum tube. This tube combined everything good that can be found, to a smaller or larger extent, in the tubes described above. New production 300b tubes look like them but and people love this they have more detail, more bass, more this, more that, etc. Northern electric tubes northern electric had a rich history of producing high quality audio products and vacuum tubes in canada. Barton and then sold his share to inventor elisha gray. General bulletin foreword his bulletin presents in concise tabular form the essential data on western electric electron tubes, which are designed by bell telephone laboratories.
We test your order before shipment for world class performance and the best tone possible. Both tubes test as new and are matched for both current draw and gm. Western electric tubes nos vacuum tubes for sale tubes. In electronics the 300b is a directlyheated power triode vacuum tube with a fourpin base, introduced in 1938 by western electric to amplify telephone signals. The tube at left is simply a rebased vt25 made either by western electric or national union. Welcome to classic vintage tubes where youll find a great selection of affordably priced vintage western electric tubes as well as the precise technical specifications and product details you need to guide you to the exact western electric vacuum tube needed for. Jan vacuum tubes are unused surplus from us military stock. New production 300b tubes steve hoffman music forums. Sometimes, the boxes will also have the bell telephone logo of the outline of a bell inside a circle. All our telephones are original antiques which will go up in value. 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. Heres a series of print ads from 1948 that describe some of the lastever pro audio offerings from western electric. In later tubes, the locking pin was also bakelite and some tubes had magnesium flashing. The history of the western electric phones is something of a history of the telephone itself.
Please see the pictures for western electric contents. Om or op erating, ser vice, sch ematic only, art icle, part ial, ad vertisement, ass embl y, inst ructions only, desc ription, dat a, e or es digitally scanned, spec ification s, book, info rmation, cat alog, history. Electric s history, an excellent teaching tool for undergraduates studying the. We also do telephone repair and restoration to your westerrn electric telephones. Your amplifier may never need to withstand a nuclear blast, but why take a chance. 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. New production northern electric tubes the gear page. 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. Some tubes, like the 101 and 417a remain literal standards for high quality, low noise tube design. Classic vintage tubes your source for western electric. These are to include phones from the early 190s to the 1950s. Includes pictures of tubes and complete operating characteristics and curves. Tubes including dates of manufacture 9780963244017. Someone else owns the brand name and has used it to rebrand many types.
In 1856, george shawk purchased an electrical engineering business in cleveland, ohio. Corporate history people to remember news from the past. Stone vintage radio museum antique radios, wireless. The company subsequently invented the loudspeaker, successfully brought sound to motion pictures, and introduced systems of mobile communications which culminated in the cellular telephone. That he considers we the only genuine option is pretty telling, at least in my book now that ive met the man and watched him voice a system. Adams and butler deftly summarize important chapters in. In a previous post, we looked at some early western electric cinemasound equipment and the cult that surrounds this early kit. Stone vintage radio describes early radio from marconi to the 1960s.
Edward barker has had some longdistance discussions with charles g. The western electric engineers had to develop a stable and rugged construction. People say they love the 300b but what they really love is the hypersound of the current 300b. Vt1 was the us signal corps designation for the tube wich was known as typej. Western electric tube data hardtofind data for 44 western electric tube types 205d, 300b, 350b, etc.
The complete western electric vacuum tube library books. Bh data sheet erla triple life 1910 marconi catalog fleming valves2r, 3r, 4r, 5r marconi valves catalog radio technique 1925 catalog amrad s tube rectifier data sheet 1924 signals experimental establishment pamphlet. Look up 6l6 on the roll chart of your tester to be sure. These electron tubes are usually american made to the exacting standards of the us military. Not to overly hijack this thread but man, when i saw western electric 7a, my first thought was who here would have access to a 1920s 50kw am radio transmitter. On december 31, 1869, he became partners with enos m. Aspen pittman did an excellent job on this book manual. In 19, western electric developed the high vacuum tube, thereby ushering in the electronic age. In october 19, the first telephone repeaters amplifiers were put in service on a telephone line between new york and washington, d. It is great to recycle but i kept my tube testers and still working on these. A collection of electron tube specifications from the western electric library.
Brought to reliable perfection by western electric usa and later by standard telephones uk as the 4300b, the 300b was very much intended and widely used for telephony amplification. Many of these tubes were superb sounding audio tubes that are still in very high demand today. We sell western electric telephones tahat have been restored to like new condition. They are either bakelite or metals which are sometime brass. Seventyfive years of western electric tube manufacturing. Its covers antique radio, wireless, tubes, valves, crystal sets, and battery radios. There are two ways to order, by putting in the exact modeldescription of the manual you want into the primary web page database search box, you can find a. This is not a simple collection of scans ripped from the internet. The 1961 raytheon 5755 tubes in this precisely matched pair are the military spec equivalent to the western electric 420a dual triode tube. Formats and editions of 75 years of western electric tube.
Data ge ceramic tubes, 1965 western electric tube prices, 1933. United was an old us maker of transmitting and industrial types. Antique radio forums view topic western electric 7a. There is no bigger name in the history of vacuum tubes than western electric. This page features a fascinating collection of handmade experimental tubes which appear to have originated within the western electric company, circa 1920.
Throughout the history of vacuum tubes, western electric distinguished itself by its continugus work to improve their consistency, reliability and efficiency. In that time it held patents over many of the major developments in telephony. We electron tubes general bulletin index and general information. In the 1980s it started to be used increasingly by audiophiles in home. The complete western electric vacuum tube library this is a comprehensive reference for collectors and users alike.