6d6 tube substitution books

Checked my tube substitution guide and rca receiving tube manual, and 6an8 is a medium gain triode coupled with a sharp cutoff pentode. Tube substitution books tend to overlook type m tubes. The 6u8a is the one tube i could do without in my life. 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. Books about electron tubes and their applications dhtrob. 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. The kwm2a uses a bunch of them, and theyve never seemed to last worth a damn. Electrically the 6d6 ux6 base is identical to the type 58 ux6 base. This substitution list should be used in one direction only that is, an industrial type to replace a standard type. The information below is accurate to the best of our knowledge. 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. If you have you probably understand my interest in a lower cost substitute replacement. This list is constantly and perpetually under construction.

For the love of physics walter lewin may 16, 2011 duration. After years of bitter conflict, the warrior toys of the dream guard face their final night of battle and regrets. More electron tubes can be found in the tube store collection of new old stock nos if you are looking for a tube shop carrying the very best tubes for your amplifier, youve come to the right place. A few specialquality tubes did not have a standard equivalent, e. Rma qualification record for tube types 76, 77, 78, 6c6, 6d6, 75, 41, 42, 2a5, 85, 6f7, 80, 84 and 6a7. This ne w t ube s ub stitut io n guidebook tube substitution. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. The physical object format paperback number of pages 240 dimensions 10. This manual tells what radio receiving tube will substitute for another and work as a replacement. The information in the sylvania tube substitution manual is furnished without assuming any obligations.

The wx12 was issued in 1926, and is the same tube on a standard ux base four long pins. The information in the sylvania tube substitution manual is furnished without. The ecc82 is a dual triode, similar to a 12au7, as he says. In the cases tabulated below there are more than one valve for a given vt marking. If you arent sure about which valve you need, or what tubes you can substitute, let us help you. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. In general, i agree with his interpretaion of european letter designations for tubes, except in this regard. How to use this chart for tube substitution tube substitution is difficult without special books on it. Thankfully, there is a solution by implementing a simple wiring change and substituting the. 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.

Gz34, 52ku, 53ku, 54ku,gz30, gz32, gz33, gz37, r52, u54, u77, 5r4gys from philips the mullard gz34 is king of the hill. In the early 60s sylvania published a tube manual with a back section devoted to basing diagram references. In the other substitution guides receiving tube substitution guidebook, the four supplements thereto, and the auencompassing master receivingpicture tube substi tution guidebook all substitutions are listed, including those which require rewiring and socket changes. 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 dry cell tube was introduced in 1923 and was originally made by westinghouse for rca. Have you priced a matched pair of 6jb6s for your drake. Print page need 6u8 or 6u8 substitute info the am forum. Tube 6d6 or rohre 6d6 id2690, vacuum pentode, 6pinbase u6a, old, usa and rfifstage shown.

Adaptor circuits in the back of this book may help. Ux2, they appear in later books and substitution lists as two digit numbers e. Radio receiving tubes and swap tips for the new 7 pin and 9 pin miniature tube types. How to replace many octal tube types with the new then miniature ones. These are even fatter and make more power than the jj 6550s. It is essentially a wd11 on a standard uv base four short pins. Apr 02, 20 6dq5 to 6je6 tube adapter socket for vintage color tv horizontal output tube cathode current duration. Original from cornell university to replace use 6cx8 6cy5 6cy7 6cz5 6d5g 6d6 6d7 6d8 6d8g 6da4 6da4a 6da5 6da6 6da7 6db5 6db6 6dc6 6dc8 6de4 6de6 6de7 6dg6gt 6dg7 6dj8 6dk6 6dl5 6dl7 6dn6 6dn7 6dq5 6dq6 6dq6a 6dq6b 6au8. Test results using the 6ju6 tube as a substitute for. A tragedy of broken dreams the nightmare war is lost as the handful of surviving dream guard make their last stand. The fifth section of this book lists picture tubes and their substitutes. Although tube substitution should not be performed indiscriminately, there.

Free vacuum tube data sheets free vacuum tube substitution. Rca 1934 an37 100volt operation of 6c6 and 6d6 tubes operation of these rf af. This 1960 tube caddy below book also includes all tube numbers from all over the world. Tubes in the tube column are directly replaceable with tubes in the replacement column. Great 1953 sylvania below substitution tube manual for late 1930s to early 1950s. This topic came up on the collins reflector some time ago with one fellow insisting they were no different than any other tube. This list was expanded from a list here thanks to jim cross.

The ultimate tube substitution guide january 1, 1998 edition. Another great substitution is replacing the 6550s in 800 marshalls with the jj kt88s. You may have wondered why there are gaps in the numerical listing of tube numbers between 1 and 100. 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. Tube substitution guide by mercury electronics corporation mineola, n. Tube 6bn8 or rohre 6bn8 id3779, double diodetriode, noval, b9a and shown. This list was compiled from the cv register and several other sources. Dec 14, 2009 tube substitution guide by mercury electronics corporation mineola, n. Ive seen the ads saying the 6ju6 tube is a substitute for the 6bj6 tube used in the drake transmitter equipment. The kt88s also sound great in the late 70s marshall mark ii amps in place of either the el34s or 6550s. The philips 5r4gys is a recent find by upscale audio in upland. The paper band around the top of the envelope is printed with the words quality approved special export test.

Due to the numbering schemes in use there are three variant classifications of vtxyz valves. A killer tube, but huge and requires lots of space bigger than a kt88. For some reason when 77 and 78 came out, before 6c6 and 6d6, improvements were made. Antique radio forums view topic substitute 6d6 for 6c6. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa.