3 400z tube data book

Technical data the eimac 81643 z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radio frequency applications. Eimac 3 400z grounded grid linear amplifier build for. Eimac was the original designer of 3 500z line, and is generally considered the standard for comparison. Little bit more gain, running well, good output power, but always used with less drive after the tune up to 500 or 600 watts. Old eimac 8163 3 400z tube this is an old eimac 8163 3 400z tube. The normal filament voltage range for a 3 500z tube is given in widely available data sheets. For data plate circuit for pi and pil linear service b of power supply and through plate m2 and the so safety resistor. On one tube its a 3 500z another one 3 500zg and one is a 3 500zg triton type and last a 3 500zg amprex. Ive used every version of macbook pro and macbook air that have been released. According to my reference books the swan mark ii came with 3 400z tubes from the factory. A demobstration video of how x blades can rip thru a crap load of clippings, thick grass and pine needles. Apparently no one looked at a readily available 3 500z data sheet.

Eimac 3400z grounded grid linear amplifier build for. Gi46b vs 3500z heathkit sb220 linear amplifier hf 1,6kw. Bill beech, nj7p has a tube database on his web site. This tube came from an estate sale of a ham operator with loads of radio tube in the garage. Technical data highmu power triode the eimac 8163 3 400z is a compact power triode intended to be used. Ssb service, and it cant be expected to outperform, in every category, tubes like the 572b, 3 400z, 3 500z and other triodes that were. Heres the book, its not available for kindles but i bought a paperback. They are of particular interest to hams building tetrode amplifiers, which have more complicated biasing circuits than grounded grid triodes. The eimac 81633400z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radiofrequency applications. Please let me know if you have experience with this. Eimacs widely published 3 500z voltages show a maximum voltage of 5.

Free shipping on many items browse your favorite brands affordable prices. Tube 3400z or rohre 3400z id19306, triode, vacuum, special tubebase in general and poweroutput shown. Both tubes should be equal in redness brightness and the percentage of redness. Pulse service for information on pulse service ratings, application bulletin no. It is about 5 tall, 3 12 across with 5 prongs on the bottom. The type 77 is a general purpose pentode voltage amplifierdetector. Qst the care and feeding of a 3 500zg filament home up also of note. Technical data the emac 3500z is a compact power triode intended to be used as a zerobias classab2 amplifier in audio or radiofrequency applications. My interests include checking out more library books than i can read, pretending to enjoy running, and scarfing reeses pieces. No paypal no paypal i accept personal checks or money orders. Technical data the eimac 8164 3z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radio frequency applications. Amps replacing 3 500z tubes with 4400a tubes i have several very good 4400 a tubes and have replaced a pair of bad 3 500z tubes with a pair of 4400a tubes in a heath sb 220 amp. As a high impedance device the control grid is taken to the top cap for maximum isolation from the anode circuit.

In addition, groundedgrid operation is attractive since a power gain as high as 8164 3 ioooz. Amperex is a leading brand of power grid tubes and magnetrons covering a wide range. Should i just stick any 2 in a amp or do they need to be a matched set. The eimac 81633400z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radiofrequency applica tions. Slightly larger body requires minor changes to fit where 3 400s were used. Each tube has an anode dissipation of 500 watts, 20watt grid dissipation and plate voltage up to 4000 volt.

The 833a contains a thoriated tungsten filament rated at 10 volts and 10 amps. Find great deals on ebay for tube 3 500z and 3 500zg tube. Etsy your place to buy and sell all things handmade. This book has been written primarily with heat transfer engineers in mind but also for research engineers who want to get caught up on the latest advances in heat.

I am working on scanning and placing on this page the entire rca hb 3 tube manual. Most henrys feature a pil tank circuit rather than the simpler, straight pi found in. A good pair of matched 3 500z tubes with hv around 36003800 plate volts and 220240 ma grid current, you should get about 12001400 rf output into a dummy loadantenna. In addition, groundedgrid operation is attractive since.

Eimac 3500z highmu power triode tube for audio or rf amplifier for sale. The following list shows the tube types i have entered in my database, with exception of the service types e. Cabinet of supply should be to cabinet safety 91 29vlioa 0189 01 z z 3 500z 3 500z n z z 3 500z 3 500z outline drawing and pin connections dimensional data dim b f g min. To search for tube data, simple click the search link on the left. In addition, groundedgrid operation is attractive since a. If you have never used this facility before, click the help link on the left for detailed instructions. 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. The 3 500z8802 is primarily used in broadcast applications. Here is some data on the power triodes that might be usable by amateurs for radio projects. Mar 10, 2019 after many years using macbook variants ive made the switch to windows. I am very impressed with the rf power the tube can deliver to the output.

Unmodified, the 3 400z comes with an integral 4 fin plate cooler, the 3 500z doesnt. No chimneys either, just a big fan blowing air on the glass. Find great deals on ebay for eimac 3 500z and 3 500z tube. Filament voltage, as measured at the socket, must be main tained within the range of 4. Get the best deals on 3 500z tubes when you shop the largest online selection at. It is about 4 3 4 tall, 3 12 across with 5 large prongs on the bottom.

Old sylvania 8163 3400z tube this is an old sylvania 8163 3400z tube. We also sell taylor brand tubes, the taylor brand 3 500zg offers a two year warranty, and it is a very high. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. Brand amperex description the 3 400z 8163 is an fac triode manufactured by amperex. Old eimac 8163 3400z tube this is an old eimac 8163 3400z tube. Ameritron 3500z replacement power tubes dx engineering. Cutting grass demo cross x blade mowing thick st augustine. Easy to see the differences if you have them side by side. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. Pin cooling worked just fine on the johnson kw using a little fan similar to the sb200. The taylor is reported to last 5 to 10 years per hams. Description the 3 500z8802 is an triode manufactured by amperex. Tube 3s4 or rohre 3s4 id431, vacuum pentode, miniatur7pinbase b7g, usa 1940 and poweroutput shown.

Tube 3400z or rohre 3400z id19306, triode, vacuum, special tubebase in general and. Late production made in france, marked 3 500z 8802. Eimac 3 400z the original grounded grid triode introduced in the early 1960s. Eimac 3 400z grounded grid linear amplifier build for amateur radio duration. A power grid tube is a device using the flow of free electrons in a vacuum to produce useful work 1. Two 3 500z tubes in a single amplifier, chassis mounted, may be adequately cooled by use of a fan so mounted as to pressurize the space the sockets. Amperex is a leading brand of power grid tubes and magnetrons covering a wide range of applications including broadcast, industrial and scientific. An excellent graphite anode tube of quality equal to eimac 3 500zg. When putting a long unused 3 400z into service, set the plate transformer up for 240 volt service but feed it only 120 which will result in a generally flashover safe lower voltage for the 3 400z and run it that way without the added bias resistor allowing the tube to glow for a. This 3 500 tube version has an anode dissipation of approximately 600w if additional air flow is provided. Pair eimac 3 400z power amp amplifier linear tube test good with. The 3 500zg tube is a 3 500z tube type that has a rugged graphite anode. Eimac 8163 3400z triode power output tube w socket for ham.

Aug 19, 2018 long before the internet was invented, they had modems connecting all these computers together across north america, exchanging radar and other data, processing the radar returns of air traffic, tracking possible soviet bomber raids, controlled surfacetoair missiles, and had data links between the computers and the f106 jet interceptors. Eimac 3 400z grounded grid linear amplifier build for amateur radio part 2 elpaso tubeamps. Eimac sk406 glass chimney pair for 3 500z 3 400z transmitting tube nos. Radio handbook ber of tubes especially designed for class b audio amplifiers have been developed which require zero average grid bias for their operation. The 2k amplifier is a simple grounded grid design, the use of the zero bias 3 400z makes the power supply even simpler than others that use 3 500zs or any other tube requiring grid bias when operating. Pulse service notes, will be furnished free on request. Operation with zero grid bias simplifies associated circuitry by eliminating the bias supply. In addition, groundedgrid operation is attractive since a feedback. The 3 500z is a relatively inexpensive tube and has been around for a long time. General, designed for classb service, the 3 400z may be operated as a classc power amplifier or oscillator or as a. Sylvania describe the type 77 as a sharp cutoff pentode similar to 6j7g. I dont know about maybe the later runs of the mark ii units but the reference books that i have say 3 400z tubes for the mark ii. We also know voltage was measured at the wrong point with the wrong type of meter. The 811a, 3 400z, and 3 z are examples of this type of tube.

Power vacuum tubes hand book vacuum tube principles. The swan 6b that came out 2 years later 1969 versus 1967 came with 3500z tubes. As of 3 505, i have finished scanning the general section, receiving tubes part 1, receiving tubes part 2, miscellaneous, specialpurpose receivingtype tubes, thyratron, ignitron, and glowdischarge tubes, and most of the transmitting tubes, as well as all. Technical data the eimac 8163 3400z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radiofrequency applications.

Fans suitable for use at or near sea level are pamotor model 2000, or model 6500. I am working on posting the rca hb 3 tube handbook on line on this. Eimac no longer produces 3 500z or other glass tubes. Just by looking at them the insides of them they are not the same. The original grounded grid triode was introduced in the early 1960s. The correct voltage information was readily available to the author and qst in tube data sheets. Nos eimac 3 500z shows up about once a month, taylor 3 500zg has an instant supply of tubes, of course. Rca receiving vacuum tube and transmitting tubes technical manual book 3 vintage. Amps replacing 3500z tubes with 4400a tubes i have several very good 4400 a tubes and have replaced a pair of bad 3500z tubes with a pair of 4400a tubes in a heath sb 220 amp. Interior tube diameter id or 38mm must be respected to prevent contact with the basic motor tube. Ameritron 3 500z replacement power tubes are available for allpurpose amateur radio service.

Technical data the emac 3 500z is a compact power triode intended to be used as a zerobias classab2 amplifier in audio or radiofrequency applications. In addition, groundedgrid operation is attractive since a power gain as high as 8164 3ioooz. 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 should work just fine, it is the same tube with higher plate dissipation. The 833a is a large tube of the type sometimes known as a cookie jar tube, with the envelope nominally measuring 116. Comprehensive transmitting tube data 1988 handbook base diagrams and data. I never played with this kind of amp and tube before. Where possible, eimac data sheets are provided, as eimac tubes are used by so many hams. Currency all prices are in aud currency all prices are in aud. New listingeimac 3400z vintage ham radio amplifier tube matched pair plus test reports. Pdf 3 400z 8163 3 400z 3 400z varian eimac 3 400z sk416 eimac sk410 varian eimac tube linear amplifier classb sk410 varian sk410 400z. This is not a how to video, just a demo vid of this blade set. Bill beech, nj7p has a tube database on his web site comprehensive transmitting tube data 1988 handbook base diagrams and data. The rf parts 3500zg transmitting tube is the highest quality transmitting tube that money can buy, for decades rf parts has been testing 3500z tubes, and we only sell the best 3500zg that pass our tube testing.

Old eimac 3 500z are still performing 30 years later in old heathkit sb220s. Eimac 3 400z grounded grid linear amplifier build for amateur radio. Eimac 3 500z later version of 3 400z having larger fins for the increaesd power dissipation of 500w. They have proven themselves in all kinds of amateur, commercial, and military service. The swan 6b that came out 2 years later 1969 versus 1967 came with 3 500z tubes. The rf parts 3 500zg transmitting tube is the highest quality transmitting tube that money can buy, for decades rf parts has been testing 3 500z tubes, and we only sell the best 3 500zg that pass our tube testing. So far as i know as of today svetlana does not manufacture 3 500zs. Make sure you have an ip dip and loading is optimum. The 2x8 linear amplifier mike bohn, kg7tr 20 april, 2016. Ian white, gm3sek, sells kits for tube control and protection. Typical oper ating conditions with distortion values included are the result of data taken during actual opera. When i design shared filamenthv transformer systems, i include special transformer design considerations.

The alternate sources are eimac, amperex, and chinese tubes that are sold. With plate dissipation of watts they are not as rugged as some more expensive tubes. I replaced the 23 year old eimac 3 500z for an 3 500zg from rf parts. That in the heathkit sb, the eimac tube went soft and the new rf parts tube does what the carton said. I dont know about maybe the later runs of the mark ii units but the reference books that i have say 3400z tubes for the mark ii. Pair eimac 3 400z power amp amplifier linear tube test good with sk416 chimney. The 3 400z 8163 is primarily used in industrial applications.