Data sheets amp designs survival tips tube mechanics schematics. The author reports on new development efforts and explains the benefits of specific work. Vacuum tube 7355, beam power amplifier antique electronic. The simplest vacuum tube, the diode, contains only two elements. Tubes were the first widespread method of controlling electrical signals without moving parts. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. Library of congress cataloginginpublication data whitaker, jerry c. This 1932 rca below manual provides all the data sheet information, of the first radio receiving tubes ever made, from about 1920 to 1932. Please see the substitutes at the top of the page for more details. I figure that someday the existing 7355s will go tu, and then ill have to reconfigure it for other output tubes. Nos tube specification sheet nos tube specification sheet. With almost datasheets and the visitor counter indicates over 4000. Load the slurry into the molds following api specifications. Vacuum tube, electron tube, thermionic valve, valve resources category is a curation of 19 web resources on, about vacuum power tubes, what is a vacuum tube, franks electron tube pages.
Free vacuum tube data sheets free vacuum tube substitution. 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. This is a suitable replacement for any 6v6 6v6g 6v6gt 6v6gta 6v6gty pentode tube type. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database. State the advantages, disadvantages, and limitations of the various types of electron tubes. So, having in hand a few of these wwiiera tubes and some matching sockets acquired over the years, i decided to take. If any or all are, the wirescomponents will have to be removed from the socket and relocated to single lug tie strips or turret posts. The 7355 was a failure, ending up making lower power and higher distortion that the. They differ in the construction of the cathode and the materials used. An 829b dual beam power pentode cw transmitter don huff, w6jl june 6, 2016 ive always thought of the 829b as a rather attractive tube physically ie, it has sex appeal. A booklet showing a comparison of the best buys in tubes for power output.
Your diminutive tube requires only 300ma, so many more could be powered. Lets say youve managed to acquire a really great old radio or two, or perhaps youve picked up some old tubes at a swapmeet. Capacitance value in cm kapazitatswert in zentimeter cm erklarung deutsch. The tdsl tube data sheet locator personal edition provides information right on your pc for a large number of vacuum tubes. Most small signal vacuum tube devices have been superseded by semiconductors, but some vacuum tube electronic devices are still in common use. As you can see, the sylvania nos tubes closely match the ideal databook gm.
The 7355 is a beampower pentode primarily designed for use in the power output stage of highfidelity audiofrequency amplifier systems. It has many circuit diagrams, using these tubes and all the information, about these original vacuum tubes. Vacuum tube, electron tube, thermionic valve, valve. I needed to replace some 7591a vacuum tubes in two eico amplifiers. The 7591 is close enough to the 7355 to be dropped in provided pins 4 on the sockets are not being used as tie points. I need a basic primer on interpreting vacuum tube datasheets. Just picked up a harmonkardon a50k a500 which was a kit 7355 integrated amp, for dirt cheap.
Incorporate the tube sound into your home audio system. Works and sounds excellent, gave it a four hour test run yesterday. Advanced searching facilities help you to compare different types and make substitutes for hard to find vacuum tubes. Although you could use this information in lieu of access to a tube tester, note that fig. Instruction manual model 7355 curing chamber chandler. Figure 2 is emission test data to provide minimum guidelines for determining if a tube has impaired filament emissions.
There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other. Follow the links on the left to find the tubes, valves, sockets, grid caps and capacitors for your antique radio, ham radio, hifi stereo, or other electronic piece. I posted on the schematics board about this i guess i should have just got to the heart of the matter, the 1963 twin reverb when it first came out had 7355 output tubes,they where changed to 6l6. Understanding and building tube amps explains tube theory and construction practices for the hobbyist. We test your order before shipment for world class performance and the best tone possible.
Tube 75 or rohre 75 id2859, double diodetriode, 6pinbase u6a, old, usa and universal shown. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube. An impressive manly vacuum tube such as an 807 beam tetrode will have about a 1a filament, so an ordinary laptop adapter should be able to power at least 9 tubes check the nameplate rating and the tube datasheets and add maybe 30% margin. I am working on posting the rca hb3 tube handbook on line on this. This is a suitable replacement for any 6l6 tube type. Tube 7355 or rohre 7355 id6162, vacuum pentode, octal int. The first computers were vacuum tube based and took up rooms while vacuum tubes are considered outdated by most of the world they are still used in several key areas.
It should be much faster than the old server at my house. Maybe there is one good side to the current economic mess, after all. An 829b dual beam power pentode cw transmitter don huff, w6jl. I change this directory structure often and your links will not work correctly. The new philips rectaugular picture tubes a 1954 view. Sheldons premium tv tube and a vacuum lightning protector. The subject for this months article is the care and feeding of old tubes. Comprehensive tube data table eia vacuumtube base diagrams table 14triode transmitting tubes table 15tetrode and pentode transmitting tubes material taken from the component data chapter of the 1988 arrl handbook. Providing examples of applications, this handbook examines the underlying technology of each type of power vacuum tube device in common use today. Learn how to work with vacuum tubes and construct highquality audio amplifiers on your workbench with help from this handson, doityourself resource. 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. The magnetron is the type of tube used in all microwave ovens. The valve wizard welcome to the wonderful world of valve amps. Basic principles are discussed, and supporting mathematics are included to clarify the material presented.
Displays real world application data for over 1,700 vacuum tubes. In addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. Power vacuum tubes handbook, second edition electronics. Figure 1 below provides an illustration of the front control panel for the model 7355 curing. Vintage vacuum tube voltmeter for sale 7355 author. Rca home entertainment and industrial receivingtype tubes and on picture tubes. One of the major ways in which cathodes can be categorised is by the way they are heated. As if the features above are not enough, tdsl pe includes internet urls for over 9,500 vacuum tubes where you can click to see a data sheet on the web or visit the site which hosts the data sheets. Comprehensive tube data american radio relay league. The results of a search of two data bases used for the identification of different chassis and their tubes. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a. A sincere thanks to both bob cheney, n1dqm, and john red shaw, k1deu, who provided guidance in compiling this tube.
Power tubes nos and tested used the best money can buy. Pressure relief is furnished by an adjustable relief valve through which water exhausts if pressure exceeds. Vacuum tube data sheet locator electronic circuits. Vacuum tubes can be tested outside of their circuitry using a vacuum tube tester. Hf means heater or filament voltage and current specifications. Tube data vintage info from the age of vacuum tubes. The diode vacuum tube we are about to study is really edisons.