6d6 tube substitution book

Open library is an open, editable library catalog, building towards a web page for every book ever published. Also, the tubes filaments draw different amounts of current. St shouldered tube, gt glass tube and mt miniature tube. The information in the sylvania tube substitution manual is furnished without. Theres no denying that the 6bf5 runs hot in those receivers. The bold listings are shown as equivalents in a tube manual, and could probably be sustituted without any changes other than rewiring but check dissipation rating for power tubes.

Another great substitution is replacing the 6550s in 800 marshalls with the jj kt88s. To buy ecc846cw7 dual triode to buy 6cx8 to buy 6cy5 rf tetrode to buy 6cy7 dual triode to buy 6cz5 beam power tube you cannot sub a 6cz5 for a 6973, see 6973 for more details to buy 6d4 to buy 6d6 pentode to buy 6d7 pentode to buy 6d8g heptode to buy 6d10 triple triode for mcintosh mx110 preamp, tascam m520 solid state conversion to. Dec 14, 2009 open library is an open, editable library catalog, building towards a web page for every book ever published. This manual tells what radio receiving tube will substitute for another and work as a replacement. All known test cards have been listed there and checked for errors which often happened when max funke released. If you have you probably understand my interest in a lower cost substitute replacement. The kt88s also sound great in the late 70s marshall mark ii amps in place of either the el34s or 6550s.

Free vacuum tube data sheets free vacuum tube substitution. The 6x5 tube lit up like a bright light bulb withen 20 seconds. The jj el844 is an entirely new tube that dissipates 9 watts and is a drop in replacement for el84s in most all amps. The 6dr7 has one section that is identical to a section in the 6de7, but the other 6dr7 section has about 4x the mu of. Plate voltages are similar 6l6 at 360 volts and the 6v6 at 350 volts. For some reason when 77 and 78 came out, before 6c6 and 6d6, improvements were made. Tube pinout diagrams can be easily found by searching for the tube s letters and the word tube on the internet, like 6d6 tube. One of the major ways in which cathodes can be categorised is by the way they are heated. The mods in the st70a increase feedback factor, allowing it to handle.

Print page need 6u8 or 6u8 substitute info the am forum. Chris also provides copywriting and web design for fitted kitchens nottingham, arnold kitchens and has provided seo advice to dingles games pathfinder rpg. Ive seen the ads saying the 6ju6 tube is a substitute for the 6bj6 tube used in the drake transmitter equipment. Th e composite tube s ubstitu tion g uid eboo k co ntain s 5 100 receiving tube s ub sti tu tions. The kwm2a uses a bunch of them, and theyve never seemed to last worth a damn. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes, or discharge tubes.

This barcode number lets you verify that youre getting exactly the right version or edition of a book. It is unclear whether the distortion is due to actual nonlinearity or reduced gm lowering feedback factor. To buy ecc846cw7 dual triode to buy 6cx8 to buy 6cy5 rf tetrode to buy 6cy7 dual triode to buy 6cz5 beam power tube you cannot sub a 6cz5 for a 6973, see 6973 for more details to buy 6d4 to buy 6d6 pentode to buy 6d7 pentode to buy 6d8g heptode to buy 6d10 triple triode for mcintosh mx110 preamp, tascam m520 solid state conversion to buy. Only a few types are still used today, mainly in highpower, highfrequency applications. This base reference gives a quick way to find which tube used the same pin connections. If i had to choose between the jj and the eh, it might be the jj for the st40 and the eh for the st70a. Without a thorough knowledge of tube types and their substitution possibilities, you may be overpaying for your new or. A killer tube, but huge and requires lots of space bigger than a kt88. Although tube substitution should not be performed indiscriminately, there. Test results using the 6ju6 tube as a substitute for. Ux2, they appear in later books and substitution lists as two digit numbers e. Antique radio forums view topic substitute 6d6 for 6c6. Who also owns and runs myomancy, a site about add adhd medication, autism and dyslexia treatments and also site called poosk. In addition, marine operators, microwave repair technicians, tv and radio technicians will find the handbook to be an invaluable reference tool.

Circa 1970 in japan, there was a superheterodyne radio set that used 5 mt type tubes referred to as the all american five in the us, or a bw tv set which was dumped at a garbage. In the cases tabulated below there are more than one valve for a given vt marking. The paper band around the top of the envelope is printed with the words quality approved special export test. Franks electron tube pages foreign substitutes for. 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. This list is constantly and perpetually under construction. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Rma qualification record for tube types 76, 77, 78, 6c6, 6d6, 75, 41, 42, 2a5, 85, 6f7, 80, 84 and 6a7. Another tube with identical pinouts to the 6cz5 is the 6em5, and i have 300 noss of those. My favorite tubes and their substitutes by robert h.

The tube substitution book doesnt come close saying its true though. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. American types foreign substitutes 0a2 150c2, 150c4, m8223, stv10530 0a3 kd21 0a4g pl1267, z300t. This 1960 tube caddy below book also includes all tube numbers from all over the world. A tragedy of broken dreams the nightmare war is lost as the handful of surviving dream guard make their last stand. 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. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Vacuum tube theory, a basics tutorial page 4 vacuum tube electrodes the cathode there is a variety of different types of cathode that are used in vacuum tubes. A few specialquality tubes did not have a standard equivalent, e. Many industrial, military or otherwise professional tubes were also produced.

Electrically the 6d6 ux6 base is identical to the type 58 ux6 base. From my experience most of the power transformers in blackface fender amps cant supply enough current to the filaments of el34s, but from experience they can handle kt66s and i believe kt77s filaments draw the same current as well someone correct me if im wrong. Due to the numbering schemes in use there are three variant classifications of vtxyz valves. 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. This ne w t ube s ub stitut io n guidebook tube substitution. You may have wondered why there are gaps in the numerical listing of tube numbers between 1 and 100. But if your amp has the timecorrect plate voltages for 6l6gb, you may also use 5932 6l6wga, 6l6ga, 6l6gay, and 6l6g.

Feb 19, 2009 according to my rca tube book thats falling apart at the seams, literally. After years of bitter conflict, the warrior toys of the dream guard face their final night of battle and regrets. This list was compiled from the cv register and several other sources. If no replacement is shown for a particular tube number, there is no replacement and you must use original tube number to replace a defective tube. In the early 60s sylvania published a tube manual with a back section devoted to basing diagram references. This list was expanded from a list here thanks to jim cross.

Thankfully, there is a solution by implementing a simple wiring change and substituting the. Adaptor circuits in the back of this book may help. A few choice words were said and the battle between wits began between me and the this particular radio. It has a very smooth sweet breakup just like the jj el84 and it will breakup a couple decibels earlier. The information below is accurate to the best of our knowledge. Tubes in the tube column are directly replaceable with tubes in the replacement column. They differ in the construction of the cathode and the materials used. This topic came up on the collins reflector some time ago with one fellow insisting they were no different than any other tube. Only a few types are still used today, mainly in high. Franks electron tube pages foreign substitutes for american types this data is scanned and may contain errors caused by the ocr software.

The 6u8a is the one tube i could do without in my life. Tube substitution handbook english version aireromalazio. 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 substitution handbook will be useful to antique radio buffs, classic car enthusiasts, ham operators, and collectors of vintage ham radio equipment. None i know of, although the 6dr7 isnt too far off. I have had 6l6s running in it for two weeks at least 12 hours each day. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. This radio uses all old style tubes, though, and on all old style tubes the two pins which are larger than the others and are adjacent to each other are always the heaters. The information in the sylvania tube substitution manual is furnished without assuming any obligations. The philips 5r4gys is a recent find by upscale audio in upland.

Gz34, 52ku, 53ku, 54ku,gz30, gz32, gz33, gz37, r52, u54, u77, 5r4gys from philips the mullard gz34 is king of the hill. For the love of physics walter lewin may 16, 2011 duration. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. The eh7591a shows higher distortion and low tube tester gm. These are even fatter and make more power than the jj 6550s. This topic came up on the collins reflector some time ago with one fellow insisting they were no different. Tube substitution guide by mercury electronics corporation mineola, n. Have you priced a matched pair of 6jb6s for your drake. How to use this chart for tube substitution tube substitution is difficult without special books on it.