Single tube pushpull ua 250 250 v ug2 250 250 v ug1 12,5 15 v ia 45 70 ma ig2 5 ma ra 50 k. The above examples of possible combinations are to help you narrow down the choices of transformers for your favorite tube types. If you download tube data sheets for 6l6gc and 6v6gt tubes ge, sylvania, or rca data sheets are my favorites and look at the recommended operation conditions supplied by the orig tube engineersyoull find that there is a range of platetoplate loads aka ot primary impedance into which these tubes will safely operate. The beam tetrode design of the 6l6 allowed rca to circumvent philips pentode patent. Class a1 singl tube pushpull u a 250 v 250 v u g2 250 v 250 v u g1 12,5 v 15 v i a 45 ma 70 ma i g2 5 ma ma. It is still in use in audio applications, especially electric guitar. However, the tube is exactly the same as a 6v6 except it is in a 9pin miniature bottle. Radiotron designers handbook 3rd edition 16 mb radiotron designers handbook 4th edition 25 mb. All of these pdf files are available for free download. Hi, even if i really enjoy my moosefet, id like to built a tube preamp using the famous 12b4. Pdf files tube amplifier list files will be duplicated. A good analogy from the automotive world is the idle speed of a motor.
Here youll find manufacturers data sheets and curves for many popular and some not so popular electronic valve types. For instance, 6l6wgb takes you to the same file as clicking 5881 the 6l6gc parent. The data sheet information supplied by the tube manufacturers design centers, list the typical operation of an audio. 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. Tube amp schematics, tube amp information, tube amp projects. I try to concentrate on popular andor readily available tube types. Theres about 6 reesistors in there id be tempted to change value on. Assuming the current is balanced, each tube is pulling 50ma total. The 6y6 is a 6v6 type and can be used in its place.
Some of this will go to the screens, so not all of it is plate current, so perhaps 47ma is correct for plate current. Slot push pull classic tube type ultralinear output transformers designed for pushpull tube output circuits. Aug 20, 2018 theres about 6 reesistors in there id be tempted to change value on. Looking at the tube information it appears that the 6v6 is enough different from the 6f6 that it may affect sound quality quite a bit. Plate voltages are similar 6l6 at 360 volts and the 6v6 at 350 volts. Heres instructions for convertingamplifiers using 7591,to 6l6 5881. The result better mids and bottom while keeping the smooth top of the classic 6v6s. Octal u f 6,3 v i f ca 0,5 a typical characteristic.
It does not have the same wattage ratings and will make the amp clip faster. The first of this family of tubes to be introduced. Heres a step by step for using the generic triode model with ltspice. Hickok test instruments free manuals, tube data, and schematics. They have the same base, connections and heater volts but differ considerably. Most of the datasheets are in pdf format and some are links to other html pages. Its a common tube to swap in a jim kelley amp, as it handles the higher voltage well, and tames the volume a bit. The preferred oem tube of 50sera fender tweed champ and deluxe amplifiers the. I am in the process of restoring it for a friend, and while i could give him the radio with 6v6s in it i am wondering if he might be better off with 6f6s. Any of the pictures down the left hand side can be clicked on for either a bigger picture, or a link to a web page.
Media in category 6v6 the following 10 files are in this category, out of 10 total. Alternatively, you can grab the zip file with all daves models, and some other stuff such as a heater model and some test circuits. I guess the only way to tell would be to compare them in the same amp for any audible. It may be the gold lion 6v6 has different support rod and spacer material with a different coating on the plates than the tung sol. I had some and used them in my jks when i had them. Pdf tube amp books that you can download right click on the links below and then choose save target as save the pdf files to your computer where you can find them and then read them via adobe acrobat note that these are very large files. Probably eliminate the nfb without knowing the true specs on the pt, you could jumper wire in another 12ax or 6sc7 tube heater and see if the 6. However, the rca data sheet for this tube does recommend transformer input coupling when using the tube in ab1 ul pp mode. So any 6v6 design you like will also work with 6aq5s, with due regard to the pinout change. Archiveradioengineering30s1936radio engineering193612. Nolan lees tube tester page military tube tester data and information. Monthly support helps ensure that anyone curious enough to seek knowledge will be able to find it here. A 50 watt amp with two 6l6 or el34 tubes, or a 100 watt amp with four 6l6 or el34s, is a pushpull amp. Maximum signal power output for the 6v6 is about 5 watts.
Tube 6v6g or rohre 6v6g id2722, beam power tube, octal int. According to my rca tube book thats falling apart at the seams, literally. At the time philips had already developed and patented power pentode designs, which were rapidly replacing power triodes due to their greater efficiency. The tube 6m6 can also be substituted directly by the tube el33. Do you have a vintage mcintosh hifi tube amp that needs repair or modifications. This connection provides a lower audio output level, but it is adequate for headphone reception. Free antique radio schematics, manuals, and schematics for. These are all pdf files and will typically open up an new browser tab for viewing. At the bottom of this page youll find some links to other tube datasheet sites in. The preferred oem tube of 50sera fender tweed champ and deluxe amplifiers the tungsol 6v6 has a geometry designed to safely handle the higher voltages used in guitar amps plus heavier plate and grid materials. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. I am a pro guitar player for 30 years who wants to learn amp repair trouble shooting, old radio repair and general tube stuff. This information can be quite useful for my friends of the radio.
These instructions dont follow every possibility with every model, but if you run through this one you will get the general idea. Great power tubes to get that vintage tone out of fenderish amp. You can rightclick this graphic and select open image in new tab or save image as to make it easier to access while looking at the schematics below. Note that the newelectroharmonix 7591a is now available,and it does not. Vacuum tube 6v6gt, tungsol reissue antique electronic supply. Rca rc10 tubemanual 1933 complements of tim reese and harvarduniversity. The jj 6v6 can even be used in place of a 6l6 in some amplifiers. Lets start by looking at the simple standard tube amplification circuit that you will see again and again as you study tube amp schematics. Together we are building the public libraries of the future. They do look very much like the same tube but so do an rca 12at7 and 12ax7. Feb 19, 2009 maximum signal power output for the 6v6 is about 5 watts. Listed here are a collection of tube data sheets that were helpful for these projects or projects im working on. It may indicate a propensity for this tube to draw excessive g1 current in over drive conditions leading to excessive bias excursions if capacitive coupling is used. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for here.
Vacuum tube 6v6, jj electronics antique electronic supply. Lets start by looking at the simple standard tube amplification circuit that you. This list is biased by the tubes that i have encountered during the repair of the many tube amps that have come to my repair shop. Due to the unique interleaving of the windings both secmdary windings must be engaged shown to rn. Diy audio projects forum 12b4 preamp recommendation. The bias controls the current that flows through the tube and defines the quiescent point of the tube, so that the tube reacts immediately to an input signal and so that it amplifies that signal accurately. Here you will find our collection of mcintosh tube amplifier schematics. The jj electronic 6v6s is another modern classic from jj. Triplett 3444 and 3444a tube tester instruction manuals with schematics and parts list adobe pdf files triplett 3444 instruction manualschematic.
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