3 400z tube data booklet

The later version of the 3400z has larger fins for the increased power dissipation of 500 watts. The 300b tube has the bayonet pin so located that it may also be mounted in a western electric 100m, 115b or similar socket. Bauer uses a pair of 3400zs in pushpull, and cca uses a single 3z. Crousehinds series explosion protected ceagproducts. From the salt lake city sale date forward, i never saw a good newproduction usa 3 500z tube. Eimac 3 400z the original grounded grid triode introduced in the early 1960s. The eimac 81633400z is a compact power triode intended to be used as a zerobias classb amplifier in. 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. Jan 29, 2000 comparison of 3 400z and 3 500z tubes. The eimac 81633400z is a compact power triode intended to be used as a zerobias classb amplifier in audio or radiofrequency applica tions. We also sell taylor brand tubes, the taylor brand 3 500zg offers a two year warranty, and it is a very high. Eimac 3 500z later version of 3 400z having larger fins for the increaesd power dissipation of 500w.

The specified capacitors are satisfactory for the 3400z tube in continuous service, and will. Published on oct 3, 2016 i forgot to include the circuits underneath the chassis and also wanted to add in the performance of the eimac 3 400z triode. Apr 05, 2014 ive measured and compared with 3 500 tube data as far as the height of the tube, and the 3 500s will fit with the plate cap on top. We have always liked them for their power and longevity. Each tube has an anode dissipation of 500 watts, 20watt grid dissipation and plate voltage up to 4000 volt. Filament voltage as measured at the socket, must be main tained within the range of 4. With almost datasheets and the visitor counter indicates over 4000. But despite the age of its design, it provides reasonable performance.

Eimac would rate a pair of 3500z tubes at about the same output if. Old eimac 8163 3400z tube this is an old eimac 8163 3400z tube. This is a combined waveform recording and labelling tool. In addition, groundedgrid operation is attractive since. Tube 3 500z or rohre 3 500z id6384, transmitting triode, air cooled, special tubebase in general and poweroutput shown. Tube 3400z or rohre 3400z id19306, triode, vacuum, special tubebase in general and poweroutput shown.

Performance data including power output, second and third harmonic levels for a number of operating conditions are given in the table. The 5ar4 and gz34 is an indirectly heated cathode tube which means it. 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. Uhf voltage amplification in grounded cathode circuit in input and wideband amplifiers. As a high impedance device the control grid is taken to the top cap for maximum isolation from the anode circuit. I usually tend to use 5u4gbs as the rectifier when needing a high current tube rectifier and account for the larger voltage drop with the correct transformer however the 5ar4gz34 is a good tube as well. The 3 500z is a relatively inexpensive tube and has been around for a long time. To search for tube data, simple click the search link on the left. The amplifier features fast warm up and 1500watt rf output with 100watts of drive. It has the white ceramic base and the anode cap is fused much like the amperex.

Operation with zero grid bias simplifies associated circuitry by eliminating the bias supply. These heavyduty, graphiteplate 3 500zs are an updated version of the venerable vacuum tube that has been around for well over half a century. Knowing the pin numbers of these tubes are sometimes important especially when your testing the tubes or working on an amplifier that they are installed in. 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. The body is slightly larger and it requires minor changes, to fit where the 3 400s were used. Highpower zerobias groundedgrid linear robkalmeijer. I never played with this kind of amp and tube before. Both have full output they came out of a henry 2k2. The body is slightly larger and it requires minor changes, to fit where the 3400s were used. Maybe somebody got rights to use that name, like packard bell the computer company who in the mid1990s sold more pcs than any other manufacturer got rights to use that name, which went back over 50 years to a company who used to make radios.

Eimac 3500z highmu power triode tube for audio or rf amplifier for sale. Two 3500z tubes in a single amplifier, chassis mounted, may be adequately cooled by. It is about 5 tall, 3 12 across with 5 prongs on the bottom. Brand amperex description the 3 400z 8163 is an fac triode manufactured by amperex. I have a swan marki amplifier that will need tubes someday. Pictures of the 3 500z homebrew linear amp eimac 3 500z tubes and chimneys air blower grey manifold behind tuning board forces air under the chassis through a formed cavity to make the air come up around the base of the 3 500z and through the chimneys. Apparently no one looked at a readily available 3500z data sheet. The 3500z is a relatively inexpensive tube and has been around for a long time. It was driven by a modified bc610 when the qrm got rough. As i mentioned, right now theres 4400a tubes in it. For long strokes with compact size and an integrated guide, the my1 series rodless actuator provides an ideal solution.

Page 3 6n356702c51 tubes are used for two channel buffer with cathode follower configuration. Replacing 3400 tubes with 3500 in a henry 2kd qrz forums. Technical data the emac 3500z is a compact power triode intended to be used as a zerobias classab2 amplifier in audio or radiofrequency applications. Slightly larger body requires minor changes to fit where 3 400s were used. Ameritron 3500z replacement power tubes 3800500gt free. Gbox iec ex e explosion protected nonmetallic terminal enclosures. On one tube its a 3500z another one 3500zg and one is a 3500zg triton type and last a 3500zg amprex. Tm broadcast engineering the technical journal of the broadcast communications industry. Today i turned on my schmega 3500z linear and found yet again one of the 3500zs didnt light up. The last batch of fifty or one hundred 3 500z tubes under the eimac name, manufactured after or during the sale, were 100% bad from low anodetogrid breakdown voltage. Nos eimac 3500z shows up about once a month, taylor 3500zg has an instant supply of tubes, of course. Most henrys feature a pil tank circuit rather than the simpler, straight pi found in most modern amplifiers. The new 3400z tube is a higha triode having a plate dissipation of 400 watt. Get the best deals on 3 500z tubes when you shop the largest online selection at ebay.

In addition, groundedgrid operation is attractive since a. Intermodvlation distortion typical operating conditions with distortion values in cluded are the result of data taken during actual operation at 2 megahertz. The ideal linear amplifier package would contain no more than a tube, a filament. The 3 400z 8163 is primarily used in industrial applications. Ameritron 3500z replacement power tubes dx engineering. Eatons crousehinds series gbox junction and terminal enclosures are a glassreinforced polyester grp terminal box solution designed for use with metallic cable glands, cable entries on multiple sidesfaces, and with industry standard sizes to match common enduser specifications. How to fix those 3500zs filament pins solder dripped out. The 811a, 3 400z, and 3 z are examples of this type of tube. Eimac 3 400z grounded grid linear amplifier build for.

The classic envelope is 48 mm in diameter and, excluding the ux4 base pins, is 119 mm tall. Get the best deals on 3 500z tubes when you shop the largest online selection at. The eimac 3400z is a new zerobias triode intended for linear amplifier. Gi46b vs 3 500z heathkit sb220 linear amplifier hf 1,6kw. 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. Ive measured and compared with 3 500 tube data as far as the height of the tube, and the 3 500s will fit with the plate cap on top. 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. Amps replacing 3 500z tubes with 4400a tubes well, it does. I am working on scanning and placing on this page the entire rca hb3 tube manual. Keep data for three different students or 3 different goals or 3 different students on one sheet. The article claims a 3 500z filament is rated at 4.

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. The taylor are stated to have a 600 watt plate vs the eimac 500 watt plate, but needs extra cooling. Eimac 8163 3400z triode power output tube w socket for ham. The power supply uses solid state rectifiers which can easily be repla. 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. The tube preamp come with low output resistance and provide high driving capability.

E circle item 12 on tech data card broadcast engineering. Should i just stick any 2 in a amp or do they need to be a matched set. We also sell taylor brand tubes, the taylor brand 3500zg offers a two year warranty, and it is a very high. The original grounded grid triode was introduced in the early 1960s. Just by looking at them the insides of them they are not the same. Eimac 3400z grounded grid linear amplifier build for amateur. Sylvania describe the type 77 as a sharp cutoff pentode similar to 6j7g. The training and test data will be recorded using the htk tool hslab. The tube is manufactured by the reflektor, saratov, russia.

They have proven themselves in all kinds of amateur, commercial, and military service. The following describes a 16010 meter linear amplifier that uses a pair of 3 500z triode power tubes. The my2 high precision guide cylinder is available in bore sizes 16mm, 25mm and 40mm. With plate dissipation of watts they are not as rugged as some more expensive tubes. I am no tube expert however i bought rf tubes 2 years ago and they have been good and no problems. Eimac tubes dont seem to be available any longer unless i try to get nos on ebay. 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. Amperex is a leading brand of power grid tubes and magnetrons covering a wide range of applications including broadcast, industrial and scientific. The 8 certainly deserves a measure of respect even today. 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 below the sockets. The later version of the 3 400z has larger fins for the increased power dissipation of 500 watts. Please let me know if you have experience with this. Where possible, eimac data sheets are provided, as eimac tubes are used by so many hams. As of 3505, 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.

If they dont, ill have to lower them some more, probably with some sort of spacers, but as i see it now, they will fit, heightwise. Following the article, readers are more likely to degrade emission purity and tube life than improve either. Eimacs widely published 3500z voltages show a maximum voltage of. Oct 03, 2016 published on oct 3, 2016 i forgot to include the circuits underneath the chassis and also wanted to add in the performance of the eimac 3 400z triode. The 3 500z8802 is primarily used in broadcast applications. The newest series of the rf parts 3500zg is a fantastic tube. Discussion in general technical questions and answers started by ab5ry, may 3, 2009. The eimac 3500z is a compact power triode intended to be used. The type 77 is a general purpose pentode voltage amplifierdetector. We also know voltage was measured at the wrong point with the wrong type of meter.

General, designed for classb service, the 3 400z may be operated as a classc power amplifier or oscillator or as a. Ameritron 3 500z replacement power tubes are available for allpurpose amateur radio service. Here is some data on the power triodes that might be usable by amateurs for radio projects. It was designed and constructed by william moneysmith, w4nfr. How to fix those 3500zs filament pins solder dripped out on. At 117vac with 50w or drive, we were able to obtain about 500w cw carrier output with the eimac 3400z final tube. Eimac power grid tubes quick reference catalog 1969. Brand amperex description the 3 500z8802 is an triode manufactured by amperex. In addition, groundedgrid operation is attractive since a feedback.

Radio handbook ber of tubes especially designed for class b audio amplifiers have been developed which require zero average grid bias for their operation. Maximum ratings keydown conditions, per tube to 110 mhz 4000 600 350 400 35 10 volts volts ma watts watts watts 500 170 540 31 20 20 1600. One sk406 glass chimney for 3 500z 3 400z transmitting vacuum tube. Typical operation data are based on conditions of adjusting the rf grid drive to a specified plate current, maintaining fixed. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. 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. This series has been designed with a high precision single or double axis guide to. They were 3 years old when i replaced them with a set of 3500z, the 3400zs have almost the same output as 3500zs.