The ecc82 is a dual triode, similar to a 12au7, as he says. The ultimate tube substitution guide january 1, 1998 edition. Print page need 6u8 or 6u8 substitute info the am forum. Tube substitution handbook by howard sams and a great selection of related books, art and collectibles available now at. Types 67 section 5 picture tube substitutes 79 fln in i introduction the first section of this book lists all receiving tubes which have been or are being manufactured in this country. Substitute creacher is a great book for a read aloud because it has colorful pictures and voice throughout that will keep students engaged and entertained. All known test cards have been listed there and checked for errors which often happened when max funke released cards for the w19 or. Jan 14, 2016 for the love of physics walter lewin may 16, 2011 duration. This 1960 tube caddy below book also includes all tube numbers from all over the world. Jul 12, 2009 5r4 or 5u4 replacement for the 5z4 tube. Yes, 6l6 gc s the suffix matters can be used in an el34 amp with correct biasing. Tube substitution handbook abebooks shop for books.
Tube 6a8 or rohre 6a8 id961, pentagridconverter heptode, octal int. It is pin compatible with the 6bj8 but has different ratings. A basing diagram shows or describes the pins of an electronic component. I have scanned a few documents and made them available for free download. While a majority of these documents are scanned by me personally, a few are scanned by others and no longer available online, so i. Thankfully, there is a solution by implementing a simple wiring change and substituting the.
The information below is accurate to the best of our knowledge. In general, i agree with his interpretaion of european letter designations for tubes, except in this regard. This is the most accurate, uptodate guide available to determine direct substitutes for receiving tubes and picture tubes. This base reference gives a quick way to find which tube. Search the worlds most comprehensive index of fulltext books. The 6u8a is the one tube i could do without in my life. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. My favorite tubes and their substitutes by robert h. Although there are tubes smaller than 10 inch, they are practically out of date and only one or two have substitutes.
Radio receiving tubes and swap tips for the new 7 pin and 9 pin miniature tube types. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Controlled warmup is usually for valves within a series heater chain and this valve was probably used within television receivers. Test results using the 6ju6 tube as a substitute for.
James fifty shades of grey unearthed some ache wed forgotten wed had in. This topic came up on the collins reflector some time ago with one fellow insisting they were no different than any other tube. Chris gall does a great job of providing a book that has great entertainment value while at the same time providing students with a few lessons that can be very valuable. Check out our new interesting tube facts down below. Best erotic books 2019 sexy romance novels for adults. The 6ea8 has an amplification factor of 40, the 6cq8 an amplification factor of 40 and a completely different tube. Yarnsub is a free and independent tool to help knitters and crocheters find workable substitutes for discontinued or hard to find yarns. Antique radio forums view topic tube substitution guides. Frank philipse wildcat mirror jorg jan munter 6bn8. Checked my tube substitution guide and rca receiving tube manual, and 6an8 is a medium gain triode coupled with a sharp cutoff pentode. In the early 60s sylvania published a tube manual with a back section devoted to basing diagram references. Tube substitution handbook howard w sams engineering staff on.
Dear substitute kids books about school read aloud youtube. When building electrical projects from old plans, its a pain not being able to find a part you need. The book wasnt particularly well written or original in fact, it began as twilight fan fiction. Until the jj el844 came on the scene in 2011 there really were no substitute tubes for el84 6bq5 tubes. You can use a european tube in a usa radio for example. Free vacuum tube data sheets free vacuum tube substitution. Without a thorough knowledge of tube types and their substitution possibilities, you may be overpaying for your new or nos tubes you employ, or just pick the wrong ones. It has a large database of yarns from all the major manufacturers and many smaller brands too. Still digging through some of my old stuff and came across this chart i thought i would share. Dec 14, 2009 tube substitution guide by mercury electronics corporation mineola, n. Electrical voltages are present, repairs should only be attempted by a qualified technician. In some cases there might not be enough range on the bias pot to bias both tube types. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. Much like antiques, nos tubes are currently not being manufactured and this means their supply is dwindling while the price continues to rise.
Th e composite tube s ubstitu tion g uid eboo k co n. This section lists all picture tubes from 10 inch to 30inch. Discussion in audio hardware started by inperson, jul 12, 2009. Like mentioned 6j5, 12 6sn7 and 12 12au7 will all work in most circuits designed for 6c4 but this wont be found in books. Complete guide to replacements for vacuum tubes and picture tubes by william smith and barry buchanan jan 1, 1992 5. In addition to collection radios, i have a large library of early service information, books, manuals, magazines, and advertisements. The ultimate tube substitution guide by charles kittleson, january 1, 1998, vacuum tube valley edition, paperback. There are a lot of amps that can use different tubes to change or improve their tone for different styles of playing. Just looked thru my ge tube books and it offers no substitution for the 5z4s. If that case, youd have to change the value of the bias range resistor. Free antique radio schematics, manuals, and schematics for. The kwm2a uses a bunch of them, and theyve never seemed to last worth a damn.
In addition, marine operators, microwave repair technicians, tv and radio technicians will find the handbook to be an invaluable reference tool. This base reference gives a quick way to find which tube used the same pin connections. This ne w t ube s ub stitut io n guidebook tube substitution. How to use this chart for tube substitution tube substitution is difficult without special books on it.
Tube substitution handbook has 1 available editions to buy at half price books marketplace. A complete handbook for replacements for vacuum tubes and picture tubes. 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 much handier to replace a foreign tube with an american tube from your own stock. Both of these are direct plug in replacement tubes that both have an amplification factor of 46.
If you have you probably understand my interest in a lower cost substitute. If you are looking for a stronger tube for the mic preamp v1 the 2 best tubes for the replacement are the 6gh8 and 6lm8. All known test cards have been listed there and checked for errors which often happened when max funke released cards for the w19 or w20 tube tester. Tubes cant be substituted since they have different bases but are electrically similar. Have you priced a matched pair of 6jb6s for your drake. Tube substitution handbook book by howard w sams, howard w. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. Please note that items here are free and may not be the quality of purchased items. I am working on posting the rca hb3 tube handbook on line on this.
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. This paperback edition of the tube substitution handbook isnt just a book on vacuum tubes. Tube 6bn8 or rohre 6bn8 id3779, double diodetriode, noval, b9a and shown. Both models can share the same tube setup data book, and therefore both models are functionally equivalent. Th e composite tube s ubstitu tion g uid eboo k co ntain s 5 100 receiving tube s ub sti tu tions.
These are all pin compatable with one another, the only differences being the gain factor of each tube. Tube substitution handbook will be useful to antique radio buffs, classic car enthusiasts, ham operators, and collectors of vintage ham radio equipment. Whilst radio valves and television picture tubes account for the greater part of the mullard output, special tubes for industrial, medical, and research applications are also produced in vast quantities. How to replace many octal tube types with the new then miniature ones. If you have you probably understand my interest in a lower cost substitute replacement. Chances are we have it, but it hasnt been listed yet. Great 1953 sylvania below substitution tube manual for late 1930s to early 1950s. Ive seen the ads saying the 6ju6 tube is a substitute for the 6bj6 tube used in the drake transmitter equipment.
No tube electronics enthusiast should be without this. Full text of tube substitution handbook see other formats. Gte sylvania 6bn8 radio vacuum tube for sale online ebay. To replace use m sa i 6bn8 6bq5 6bq6g 6bq6ga 6bq6gt 6bq6gta 6bq6gtb. Tubes in the tube column are directly replaceable with tubes in the replacement column. Commonly known as nos, the term new old stock simply refers to tubes that were made years ago but have never been used. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. 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. Co mb ines i n one volu me the con tent of th e bas ic book and suppleme nt s i thro ugh iv. All our tubes are hand tested before they are shipped out to you. The two bright diodes are on the outside with the triode in the. Tube substitutions there are a lot of amps that can use different tubes to change or improve their tone for different styles of playing. For most nos tubes we have a variety of brands available. Maybe im getting testy in my old age, but it really annoys me to read that substitutes for a 6sq7 are.
This list is constantly and perpetually under construction. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. If you are looking for a radio or tv tube thats not listed, ask us. The fifth section of this book lists picture tubes and their substitutes.