We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. Our payment security system encrypts your information during transmission. With the naming conventions of ceramic tubes, we can tell quite a bit about the unit without even looking at the data sheet. The tube is externally identical to the 4cx250b but contains rugged internal construction. About 500w 4x150a7034 tubevhf amplifier the resource is currently listed in in a single category. You even can look up radio models with a certain tube line up. Koskella has also written an electronic book titled the complete guide to. Find the right cable accessories for your projects.
The 816 is a smaller version of the 866a with less voltage and current handling capability. The simple and best answer is to suggest you get the data sheet for the tube you use. The information below is accurate to the best of our knowledge. 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 one vt reference i had was a 50s riders tube substitution book and it did not have my vt51. The 4x150a is intended for class ab ssb linear rf amplifier service.
For 10 years prior to the change, the standard included both and was listed as ansiasme b16. Eimac 4x150d vacuum tube silver plated external anode etsy. You reach this tube or valve page from a search after clicking the tubes tab or by clicking a tube on a radio model page. The grid is extremely delicate and not designed for current, but some eimac data shows a grid current of 1ma. Mar 25, 2015 since this was the first time i used these, it is a good opportunity to write a post about the tube. Some datasheets are only one page 3050k, some are 810 pages 300k and more. If the page is blank click here rca 6fq7 6cg7 datasheet.
The limit is the place what begins a small arching on tube g1. Running it with no cooling at all on the base is may really shorten the life of the tube. 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. In a few cases, when the 1966 edition omitted graphics on obsolete tubes, i inserted scans from the 1948 ginkins reference book. Nkt cable solutions high, medium, low voltage cables. Antique radio forums view topic vt51 tube question. This book is a faithful reprint of the gersmack library no. 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. It is intended for stationary and mobile equipment designs with power amplification at frequencies up to 500 mhz. The eimac 4x150d7035 is an external anode, tetrode 4 element vacuum tube designed in the early 1950s that was used in small transmitters and other radio frequency equipment. This list is constantly and perpetually under construction.
Tube 5y4g or rohre 5y4g id3117, fullwave vacuum rectifier, octal int. Tube manuals these were either donated by users, or with other webmasters permission to mirror, and some which were donated may have no permissions. This tube does not come with its original patent notice or rectifier service report. There are data sheets for the 4cx250b from eimac, stc and penta. Sometimes there are major differences between the data on the different manufactuers data sheets you will need to resolve what is right.
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. Get free leaning on the everlasting arms violin sheet music doc. They have large cathodes for their tiny size and very close spacing of the elements. The characteristics, grids and item breakdown paperwork are not included. You can use a european tube in a usa radio for example.
Jan 06, 20 a low cost 600 watt ultralinear amplifier for 40, 20, 17, 15, 12, and 10m this compact little amplifier is the brainchild of pat murdoch, zl1axb, in auckland, new zealand. Buy products related to roof patch products and see what customers say about roof patch products on free delivery possible on eligible purchases. The eimac 4x150a 4x150 7034 vacuum tube is used in broadcasting equipment. Now you can finally make a transmitter using that pile of 4x150s you have. Free vacuum tube data sheets free vacuum tube substitution. It explores the physical aspects of each element within the tube. We dont share your credit card details with thirdparty sellers, and we dont sell your information to others. Nkt low voltage cable range offer solutions from building wires to different cable types such as flexible, control, and telecom energy cables. Hence this advice is based on 4cx250s, but i think its similar in principle. Structure drills into a beginners training plan active. This not just another tube substitution guide or book of pinout voltages. The tube can be run gg ab1 with the normal screen and bias voltages applied, and drive to the cathode which is at negative voltage. It was first built on a workbench using components and jumpers for connections.
Eimac power grid tube quick reference data sheet page 1 of 1 4cx350a8321 the eimac 4cx350a8321 has a maximum plate dissipation of 350 watts and is intended for class ab audio or rf amplifier service. These are from individual scanners and from all over the and it is impossible to tell. These were often used for driver tubes in fm broadcast transmitters. You will find thousands of tubes or valves with interesting links.
This book delves deeply into the theory and science of the vacuum tube. The tube used is a 4x150 transmitting tube that used forced air cooling. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. A low cost 600 watt ultralinear amplifier iw5edi simone. After you mentioned 841 i looked that one up in a 48 arrl ham radio yearbook. This 1960 tube caddy below book also includes all tube numbers from all over the world. If you have the original 4x150 with the glass, you might get to see the sparks fly inside till the hv fuse blows. Sometimes there is more than one data sheet, usually from different manufactuers. The main category is amateur linear amplifiers that is about vhf linear amplifiers. The 866a is way oversized for most audio projects so the 816 is a good alternative if you must have that magic blue mercury glow. I dont know the 4x150 its an old glass tube that wont take as much stick as a newer ceramic one. Invoices are generally sent within a few days after an auction ends. In most respects it is a typical grounded grid linear amplifier, with the exception of. Eimac will send you one free of charge, even for an obsolete tube such as the 4x150.
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