50c5 tube substitution book

This ne w t ube s ub stitut io n guidebook tube substitution. Becoming an engineer supplier directory books events. Tube substitution handbook will be useful to antique radio buffs, classic car enthusiasts, ham operators, and collectors of vintage ham radio equipment. Shipping in the us is free via usps first class mail. Hoffman amplifiers tube amp forum, please give your contribute add a tube to this list. How to use this chart for tube substitution tube substitution is difficult without special books on it. The 12ax7 run with heaters in series and 50c5 both have heater currents of 0. The kwm2a uses a bunch of them, and theyve never seemed to last worth a damn. The 50c5 is a beam power tube, commonly used as an audio amp. This book or any parts there of may not be reproduced in any form or in any language. 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. If the equipment is already designed for an industrial tube, a standard receiving tube will not usually work as efficiently or as long as the original.

Aug 9, 2014 information about vacuum tubes, tube manuals,books,amplifiers instant download. Logged to steal ideas from one person is plagiarism. Of course, with any bad caps andor resistors throwing voltages off, this could cause parts of the circuit like the oscillator to stop working. Th e composite tube s ubstitu tion g uid eboo k co ntain s 5 100 receiving tube s ub sti tu tions. The 35w4 and 35w4a are the only half wave rectifier tube of its type as far as pin configuration and filament resistance for a series type line operated tube radio. Print page need 6u8 or 6u8 substitute info the am forum.

Free vacuum tube data sheets free vacuum tube substitution. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. I have an old silvertone amp, a 91 and one of the three tubes has gone bad. Find the number of possibilities 50 choose 5 mathway. The equivalents for thermionic valves or vacuum tubes, including the diode, triode, tetrode, pentode. A few specialquality tubes did not have a standard equivalent, e.

Due to coronavirus covid19 we have limited staff working on location. I was wondering what effect the 50c5 has on operation. Of course, with any bad caps andor resistors throwing voltages off, this could cause parts of. 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. This list was expanded from a list here thanks to jim cross. All the schematics i have seen for a 50c5 power tube with a 34w4 rectifier have a pentode 12au6 preamp tube except for the garnet 5p, but my amp is clearly. You can replace it with an lm380 or 386 with a bit of doing but. Full text of tube substitution handbook internet archive.

The 50c5, introduced in 1948, is electrically identical to the 50b5, but has a revised. This 1960 tube caddy below book also includes all tube numbers from all over the world. This is a suitable replacement for any 50c5 tube type. This month id like to present a few ideas for making substitution eye tubes work for the relatively pricey 6u5 and 6e5 tubes. 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. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Indian land, sc, usa, 29707 hi all, does anyone recall why the first aa5 miniature output tube was the 50b5, but not too long afterward, and for a long time, the 50c5 became the standard tube. Another tube with identical pinouts to the 6cz5 is the 6em5, and i have 300 noss of those. Tubes in the tube column are directly replaceable with tubes in the replacement column.

There are versions of this tube with extended ratings for industrial application which are designated as 6aq5a with controlled heater warmup. Aug 9, 2014 information about vacuum tubes,tube manuals,books,amplifiers instant download. The 6aq5 mullardphilips tube designation el90 is a miniature 7pin b7g audio power output beam tetrode vacuum tube with ratings virtually identical to the 6v6 at 250 v. 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.

All brands of 5687, my favourites are the tungsol and raytheon, but the five star ge and. The standard line up of tubes were designed so that the total rated voltage of the five tubes. Mar 31, 20 6x5gt tube substitute discussion in ampscabs tech corner. Franks electron tube pages american substitutes for foreign types this data is scanned and may contain errors caused by the ocr software. Open library is an open, editable library catalog, building towards a web page for every book ever published. Gz34, 52ku, 53ku, 54ku,gz30, gz32, gz33, gz37, r52, u54, u77, 5r4gys from philips the mullard gz34 is king of the hill. Franks electron tube pages foreign substitutes for american types this data is scanned and may contain errors caused by the ocr software. Franks electron tube pages american substitutes for.

It is labeled a 6x5gt and im wondering if there is a suitable replacement. The big problem with those tubes is that they were commonly used in series filament strings designed to work directly off 100 v ac. The required parts for this amp can be found in any aa5 tube radio, though the 35c5 tubes were most commonly found in the old 7 tube table top amfm sets. It was commonly used as an output audio amplifier in tube tvs and radios. The ultimate tube substitution guide january 1, 1998. May, 2003 tube substitutions for a tiny little amp. The ultimate tube substitution guide by charles kittleson, january 1, 1998, vacuum tube valley edition, paperback. Barney developed the circuit values, and has used and proven the circuit in his own restorations projects. 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.

Franks electron tube pages foreign substitutes for american types. It has no bulky power transformer, and the minimal number of. We have added a shopping cart for easier ordering and an improved search feature. After completing a s5 electronics k12m tube amplifier kit, i became hooked on tubes. The term all american five abbreviated aa5 is a colloquial name for massproduced, superheterodyne radio receivers that used five vacuum tubes in their design. One reason im bringing this up is that im working on an early 50s emerson radio45rpm phono combination unit, and someone apparently tried to get it working since it was apart and there were two 50c5 tubes with it, and the tube socket empty all other tubes in their correct sockets. Good news is they are still available at the site ive listed below. The ultimate tube substitution guide january 1, 1998 edition. Does it change the operating voltages on the other tubes and throw everything off.

Although tube substitution should not be performed indiscriminately, there. Without a thorough knowledge of tube types and their substitution possibilities, you may be overpaying for your new or. These radio sets were designed to receive amplitude modulation am broadcasts in the medium wave band, and were manufactured in the united states from the mid1930s until the early 1960s. I havent replaced a few of the paper caps yet and the operation is very erratic sometimes works, soemtimes not. This topic came up on the collins reflector some time ago with one fellow insisting they were no different than any other tube. The 6u8a is the one tube i could do without in my life.

The main goals for this project were to use as few parts as possible and to keep costs down. Adaptor circuits in the back of this book may help. This manual tells what radio receiving tube will substitute for another and work as a replacement. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Franks electron tube pages foreign substitutes for. The term all american five abbreviated aa5 is a colloquial name for mass produced. Tube complement is 12au6, 50c5 replaced by a 50eh5 by previous owner, 12av6. Tested on a jackson 648a or a hickok 533a where all were well into the green. In addition, marine operators, microwave repair technicians, tv and radio technicians will find the handbook to be an invaluable reference tool. Im looking to tubes that were used or can be used as substitution of other more common tubes. A killer tube, but huge and requires lots of space bigger than a kt88. I want to thank barney wooters for much of the information contained in this article. If you run a 12ax7 with heaters in parallel, then the current is 0. This substitution list should be used in one direction only that is, an industrial type to replace a standard type.

Please give your contribute add a tube to this list. This is a 3tube stereo amplifier that is good for a beginner, or a budgetconscious person. See more ideas about vacuum tube, tube and electronic books. The philips 5r4gys is a recent find by upscale audio in upland. Owner jim cross and his knowledgeable staff continue to offer the same great expertise and service. In the early 60s sylvania published a tube manual with a back section devoted to basing diagram references. It is so easy to build that it could be assembled and playing in a halfhour with no problems at all.

Tube 50c5 or rohre 50c5 id1071, beam power tube, miniatur7pinbase b7g, usa 1940 and poweroutput shown. We specialize in newoldstock tubes and offer high quality tubes, sockets, capacitors, and other parts. The 385w4 is reasonably easy replace it with a 1n4xx diode. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with stepbystep explanations, just like a math tutor. This base reference gives a quick way to find which tube used the same pin connections. However, because we believe that tube caddy tube substitution. The information in the sylvania tube substitution manual is furnished without. Why order tubes when you can use up the ones you have laying around. May 26, 2011 the 35w4 and 35w4a are the only half wave rectifier tube of its type as far as pin configuration and filament resistance for a series type line operated tube radio. Tom, with the 50c5 in place of 35c5, all tubes will have slightly low filament voltage. My favorite tubes and their substitutes by robert h.