7591 vacuum tube data book

To view this site, you must enable javascript or upgrade to a. Consequently, 7591 and its siblings were used in a vast number of home audio equipment in the 1960s. Preamp tube gain factor vacuum tube basics power tube matching the perfect. The photonis power tube product line, one of the broadest in the industry, encompasses tubes and associated circuit components that are designed to cover virtually every need in this field. Before we close the book on output power performance, lets look at the lab power and vacuum tube analyzer tests. We carry brands like western electric, mullard, telefunken, sovtek, jj, electroharmonix, genalex and tungsol. The 7591 has controlled zerobias plate and screen currents and features a special lowloss base. Also has useful resistance coupled amplifier charts, and sample circuits. This 1932 rca below manual provides all the data sheet information, of the first radio receiving tubes ever made, from about 1920 to 1932.

Everything is carefully selected by us, many items we use ourselves in our own shop. Of course, most of the equipment in the picture isnt part of the test. The original 7591 is one of the rarest power tubes due to its late introduction in the autumn of massproduced vacuum tubes and tube gear also it never saw service in regulated power supplies, shaker table amps, laboratory bench amps and commercial audio amps like the 6l6, 6550 and to a lesser extent el34 did, so there simply are not vast. I have a scott lk72 amp where the transformers are mounted close to the back panel of the chassis. Unbeatable prices on thousands of guaranteed vacuum tubes for sale, vintage nos hifi audio tubes, radio tubes, ham and industrial ready to ship. Tube data vintage info from the age of vacuum tubes. Free vacuum tube data sheets free vacuum tube substitution. I am working on posting the rca hb3 tube handbook on line on this. We carry everything from nos rca 6l6gc black plates to jj 12ax7s. Vacuum tube, vintage radio and other electronics information. I doubt you would blow them up, but i would say that you may not get the best performance. Trending price is based on prices over last 90 days. Most of the datasheets are in pdf format and some are links to other html pages. Boost your boobs increase your breast size by 2 cups, naturally and without surgery.

A pdf at the end of a tube description is a link to a pdf of the tube s full data sheet, which generally contains characteristic curves for the device. Also contains data on just about all 2digit antique large pin tubes, and many early g types of later gt tubes. I think your heathkit is maybe just to old to have the settings for the 7591. Ratings are identical, and the only electrical differences are very, very minor differences in interelectrode capacitances.

The nuvistor was developed by rca and it was first introduced in 1959. The 11v tube may run a little hot, but unless you have an enclosed cabinet full of them i dont think itll be an issue. New nos westinghouse was the originator of this tube. Here youll find a modest collection of datasheets for some popular tubes. This 1960 tube caddy below book also includes all tube numbers from all over the world. Tubes with part numbers beginning with 7591 tube are in stock and ready to ship. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes. The sovtek 7591xyz is an improved and reliable replacement for expensive and hard to find 7591 tubes.

Ratings are identical, and the only electrical differences are very, very minor differences in. Here youll find manufacturers data sheets and curves for many popular and some not so popular electronic valve types. I am trying to find a tube to put in a heathkit aa100 amp and the origional 7591 just fits in the case. Data from or other sources as supplied by john atwood. Buy jj 7591s vacuum tubes online, in stock and ready to ship. This page lists several nice tube reference books, tube accessories, and pin cleaner, among other items. Get the best deals on toshiba vacuum tubes when you shop the largest online selection at. Tube 7591 or rohre 7591 id3729, beam power tube, octal int. Rca rc19 1959 tube manual reprint rca rc19 vacuum tube data manual, 1959 reprint does not cover 6550, 7591 or 6dj8, but does cover most other audio tubes introduced prior to 1959. Identifying vintage nos vacuum tubes by brand country and. Show the datasheet on your website for the jj 7591s has a couple of errors.

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. Higher numbers are later versions and have more data that would be of interest to guitar amp people. Electroharmonix eh 7591a 7591 tube factory matched quad for. The schema of the power supply unit for the stages of the amplifier is given in figure 53. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. This 6v6 has the standard rugged construction weve come to expect from jj which. We have added a shopping cart for easier ordering and an improved search feature. Find 7591 vacuum tubes related suppliers, manufacturers, products and specifications on globalspec a trusted source of 7591 vacuum tubes information. Radiotron model uv 200 vacuum tube rare experimental use only. All these links open in a new browser window so that you can return quickly to this page without having to reload. Free shipping on many items browse your favorite brands. It is missing the shorts light and the roll chart needs to be fixed.

They bought them from westinghouse and sylvania more common. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. In14 nixie tube excellent used 100% working in14 14. Vintage knight kg600b emissions vacuum tube tester 600b click to enlarge click to enlarge click to enlarge welcome. All of the documentation and pcb design files for the vacuum tube analyzer.

It has many circuit diagrams, using these tubes and all the information, about these original vacuum tubes. The following items can be substituted for this product. Ratings are identical, and the only electrical differences are very, very minor differences in interelectrode. Tube amp capacitors or guitar amp capacitors, our selection currently covers the most commonly used types in vacuum tube amplifier applications. If you cant find what you need here, try duncans tube data sheet locator. Covers how tubes work and how to design circuits around them, with chapters on class aab1 and ab2b amplifier design, power supplies, and more. Very few older books are bad, but they can be hard reads sometimes.

Most of these datasheets are in english except where noted otherwise. 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. To my the best of my recollection, the 7591 is a 30watt tube where the 7591a is a 35 watt tube. Power testing in the lab was performed in a manner similar to the method used by dave gillespie, except this approach uses standard lab equipment instead of a custombuilt vacuum tube power tester. 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. Vintage knight kg600b vacuum tube emissions tester.

The simplest vacuum tube, the diode, contains only two elements. While the 7591 output tube is becoming more scarce and expensive, it is actually one of a family of three tubes with essentially identical characteristics. We have general electric usa, not ukand rca recieving tube manuals for sale, as well as the rca transmitting tube manual tt4, and a book of data on western electric tubes. Vacuum tube 7591, jj electronics antique electronic supply. 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. I currently use a quad of grove tubes 7591, but they barely touch the audio transformers and one tube shows grid leakage and is within the high end of good scale for grid lekage on my sencore mighty mite vi tube. The most effective natural breast enlargement techniques that have already changed the lives of over 7591 women.

The first electronic amplification of sound was done with vacuum tubes. Vacuum tube, 7591, jj electronics, apex matched quad, power see more like this. Beam power pentode tube data provided by duncan amplification. Glass octal type used in the output stage of audio amplifying equipment. A nuvistor is a miniature vacuum tube in a thimble sized metal case. If you have an old fisher or scott tube receiver, or other amplifier, the new reissue tungsol 7591a power tube wont break the bank, and will keep them sounding great. Many industrial, military or otherwise professional tubes were also produced. While not necessarily exactly the same, they will function as.

Vacuum tube 7591a, beam power amplifier ce distribution. We test your order before shipment for world class performance and the best tone possible. This book contains data not found anywhere else on antique tubes such as the 2a3, 00a, 01a, 45, 50 and 10. Only a few types are still used today, mainly in highpower, highfrequency applications. Parts free delivery possible on eligible purchases. These items are new and currently available, some may be special order which only takes a few days. Photonis technologies sas vacuum tubes for power and microwave applications power tubes.

I needed to replace some 7591a vacuum tubes in two eico amplifiers. Tube 75 or rohre 75 id2859, double diodetriode, 6pinbase u6a, old, usa and universal shown. Monthly support helps ensure that anyone curious enough to seek knowledge will be able to find it here. Buy electroharmonix 7591a vacuum tube, matched quad. Could be different brand names like philco, rca, etc. The first nuvistor to be produced by rca was the 7586. Recently, the 7591 article was updated with coverage of the relatively new tungsol 7591a. Between the cathode of each tube and ground, install a 390 ohm 5 watt resistor. Links to tube data are mostly to the wonderful nj7p tube data site.

Inside the vacuum tube john rider valve amplifiers. Sovtek 7591xyz vacuum tube the sovtek brand of military grade vacuum tubes are made in russia and considered to be among the finest currently available. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semiconductor circuits. This manual is used and shows some wear, but the wealth of data it contains makes it a bargain at any price. I know they are both military grade versions of the 6l6 but there may be a difference is bias characteristics. Heres instructions for convertingamplifiers using 7591,to 6l65881. We specialize in newoldstock tubes and offer high quality tubes, sockets, capacitors, and other parts. Also, used in tube hifi equipment made by fisher, scott, and harmonkardon.

Measurement from base to the top of the glass pins not included in measurement. To view this site, you must enable javascript or upgrade to a javascriptcapable browser. Vintage and modern production 7591a, 7868 and 6gm5 audio output tubes. Also includes very nice cross reference for americanforeign numbers and cv numbers. Finally we have a 7591 tube that is a close replica of the original nos tubes. You can see the results produced by the unit in the ongoing series of 7591 tube evaluations.

Rca receiving tube manual, technical series rc30 antique. Aug 28, 2009 well the 7591 is not a rare tube many different tube amps used it. These newoldstock vacuum tube specifications are provided as informational only, and in no way guarantee the brand or exact functionality of the vacuum tube you receive. Detailed, complete with plenty of math and drawings. The jj 7591 is a great replacement for any 7591 tube position. Together we are building the public libraries of the future. Test parameters can come straight from the original tube data books or from the given table. Make offer pair toshiba 7591 a vacuum tube low testing. I would like to find out the height of the tungsol 7591a from the base of the tube to the top.

As you can see, the sylvania nos tubes closely match the ideal databook gm. It is a high output audio power tube that is flexible and easy to design with. A high quality reprint of the 1973 rca receiving tube manual technical series rc30. Books triode usa tube amp kits transformers tubes dynaco.

All the tubs on the market today are to high and cannot find a data sheet on the tungsol. 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. To get the power test data, i simply plugged the tube into a relay socket left and set up the lab test pictured below. Output capabilities range from a few watts to megawatts, and frequency coverage extends from dc to over. This is a suitable replacement for any 6g6gvt198a power pentode tube type.