Western electric 275a tube data book

Tube data and patents are in adobe acrobat pdf format. The on button must be pressed many times for it to engage. A western electric 275a push pull this predecessor of all the famous 300a and 300b amplifiers is unfortunately a long forgotten w. Take a look at your 205d tube socket if it is the same as the original western electric 205d socket for 4 smaller shorter pins, you need to order the we205d replica. Western electric tube for sale tractor parts and replacement. Tube world stocks one of the most extensive inventories of we tubes on the planet. Western electric 310a small punch nos vacuum tubes. Antique radio forums view topic western 216a tube test. Western electric electron tubes 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. The following listing of tubes are those special tubes and encompass tubes used in special communications equipment, broadcasting, amateur radio and the audio industry. Western electric tube data original 1933 book 242a.

Over 350 us patents pertaining to tubes assigned to western electric. Allegrosound original reference tubes western electric. Western electric 142a 142 tube amplifier restoration bg078 duration. Typical tubes are sealed glass bulbs evacuated of gas, allowing electron flow to be influenced by an interior cathode, plate and grid. The 94 531 was made for portable projector systems. The western electric 336a tube was used in speech input equipment and the 106 type amplifier. Tube tests as new and with balanced and very low noise. 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. Psvane we205d205dl replica vacuum tubes pair psvane. I was wondering if anyone knows a site, or has information that might be interesting in this regard. Hi tom i can give you whats written in 75 years of western electric tubes. As i began to learn about vintage western electric tubes, i took note of the date codes.

Western electric 350b tubes in mcintosh mc 30 tube amp holy grail 6l6 duration. These tubes are western electric types from the period 19 to 1938. Vt1 was the us signal corps designation for the tube wich was known as typej. Unlike certain adrenaline versions of modern 300b variants, this traditional western electric recipe avoids the occasionally metallic quality and somewhat mechanical mien ive heard elsewhere. The 10j12c pentode is equivalent of western electric 310a we310a was designed for highfrequency voltage amplification in longdistance wire service systems. Western electric tubes nos vacuum tubes for sale tubes. Vacuum tubes appear in older radios, televisions, amplifiers, computers, and other electronic devices. Western electric 2 7 5 a va c u u m t u b e classiflcationmoderatepower, filamentary triode the 275a tube is designed for a maximum plate voltage of 300 volts. We are proud to offer our dvd book, the complete western electric vacuum tube library by james cross. We electron tubes general bulletin index and general information.

Advance electron tube data sheet western electric 437a electron tube. Ok, we lowered the price to be the same as those guys offering dvds with 40 or 50 datasheets. Western eectric 3 1 0 a va c u u m t u b e classificationvoltageamplifier, suppressorgrid pentode with indirectly heated cathode this tube is intended primarily for use as an audio, or carrier and radiofrequency voltage ampli. The familiar western electric 216a first appeared in 1922 as a component of the w. It is known that western electric was trying to develop tubes with a much lower filament power requirement than was common at the time. These are very rare, and we were lucky enough to get 4 pcs in stock nos in original boxes. We have gathered together technical data, tube inserts, patents, photos, and tabular data from a variety of original source documents in one convenient package.

Western electric tube data hardtofind data for 44 western electric tube types 205d, 300b, 350b, etc. We test your order before shipment for world class performance and the best tone possible. The western electric engineers had to develop a stable and rugged construction. A collection of electron tube specifications from the western electric library. Special selected cryogenically treated 396a and 417a western electric are in stock. The 10j12c pentodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxidecoated cathode.

It seems like the prewwii tubes dont have dates and feature the engraved base. Stock changes daily and prices continue to increase due to the scarcity of most we tubes. Western efectric 3 2 8 a va c u u m t u b e classificationvoitageampiifier, suppressorgrid pentode with indirectly heated cathode the electrical characteristics of the 328a tube are identical with those of the 310a tube except for the heater voltage and current. A collection of we datasheets from the 40s through the 60s, including 100 through the 300b 17mb pdf file 301a through the 373a 14mb pdf file 300a300b data sheet highres, 4. Weve divided our western electric tubes pages into four categories for easier. This 1960s raytheon 5755 tube is a military spec equivalent to the western electric 420a dual triode.

Western electric 275a nos nib from 1973 beautiful 3watt. Applieationaudiofrequency amplifier where power outputs of about 3 watts per tube are required. We are proud to offer our new dvd book, the complete western electric vacuum tube library by james cross 2011, isbn. The connection for the suppressor grid has been brought out. The 437a electron tube is a high figure of merit triode with an indirectly heated cathode. This is a comprehensive reference for collectors and users alike. The initial design was taken from the 101d, with the only difference being in the filament voltage. Just like we always think of western electrics we300b when refer to 300b, as to the top representative products of el34, it undoubtedly is the iron pedestal el34 of philips produced in 50s. Includes pictures of tubes and complete operating characteristics and curves. This development process led to the 215a peanut tube introduced in 1919.

This same tube was used by the us navy under the designation cw933. Western electric 101d data sheet 1933101d, we101d, we101d, we101d, we101d 101f data sheet 1933101f, we101f, we101f, we101f, we101f 102d data sheet 1936102d, we102d, we102d, we102d, we102d 102f data sheet 1936102f, we102f, we102f, we102f, we102f 102g data sheet 1936102g, we102g, we102g, we102g, we102g 205d data sheet 1933205d, we205d. This, together with its low power consumption makes it particularly adaptable in portable equipment where compactness is essential. Western electric tube data paperback january 1, 1994 by western electric author see all formats and editions hide other formats and editions. The yellow print on the glass has the raytheon logo. Up for bids a hickok ks15874l2 built for western electric. It has a stamped grid with 15 laterals and was designed as a receiver tube for communication between aircraft scr68 and ships cw936. The complete western electric vacuum tube library books. Hardtofind data for 44 western electric tube types 205d, 300b, 350b, etc. The western elecric code numbers assigned to this type were in the 203 series, the first being 203a. Antique radio forums view topic 203b western electric.

Ee the peanuttube was also produced in canada by northern electric. In the history of tubeproducing industry, el34 was designed very well and given infinite dynamism and strength on its pressureresistant performance. A few things you must pay attention to before you swap your current 205d tubes to the psvane we205d205d l replica tubes. The complete western electric vacuum tube library ebay. This tube seems to be far more linear than the type is generally credited for. Western electric transmitting tube, type 270a, used at.