Vacuum tube 7408 6v6gt, beam power amplifier antique. You can use a european tube in a usa radio for example. Maybe im getting testy in my old age, but it really annoys me to read that substitutes for a 6sq7 are. If you are replacing a 7408 and i am out of stock, any of the military spec tubes will work nicely as a substitute. At over 750 pages this one has to stay broken into pieces. All the tubes are okay but i was just wondering if all the. Tube substitution handbook abebooks shop for books.
Key in the code for the valve tube you wish to search for and click the query button. Free antique radio schematics, manuals, and schematics for. The 6u8a is the one tube i could do without in my life. Rogers type m radio tube substitution information justradios. The oddmix vacuum tubes replacement substitutions tables section has a wide variety of popular tube substitutions for rare antique, vintage, exotic, original, discontinued and collectors vacuum tubes, electron tubes, audio tubes and fleming valves. Payment is expected within 10 business days shipping is by usps in the small flat rate box and will ship anywhere in the good ol usa for a flat rate of 5. Another tube with identical pinouts to the 6cz5 is the 6em5, and i have 300 noss of those. Franks electron tube pages foreign substitutes for. My old ge tube substitution manual grew legs and lost itself to a unresponsible borrower awhile back. As my daughter megan would say to me you a crazy old man. Thankfully, there is a solution by implementing a simple wiring change and substituting the.
The 6gh8 family of tubes sound just as bad as the old 7199s. Th e composite tube s ubstitu tion g uid eboo k co ntain s 5 100 receiving tube s ub sti tu tions. Click here for help on how to enter cyrillic characters if you dont have a keyboard which supports them. The first of this family of tubes to be introduced. It has a large database of yarns from all the major manufacturers and many smaller brands too. In the early 60s sylvania published a tube manual with a back section devoted to basing diagram references. 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. 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. Tube substitutions there are a lot of amps that can use different tubes to change or improve their tone for different styles of playing. The 6gh8 and other 9ae base tubes is almost exactly the same tube except a small difference in pinout. Tube crossreference european and 4 digit number to usa.
This is a suitable replacement for any 7408 6v6gt tube type. This base reference gives a quick way to find which tube used the same pin connections. Discussion in audio hardware started by inperson, feb 6, 2007. Thanks, thats good to know, i got one in a glass tube that is branded as rca but is actually a tung sol from the 50s nos that i got for 5. I looked this up in my howard sams tube substitution handbook and it lists the 7408 as a direct replacement. Antique radio forums view topic tube substitution guides. Fairchild manufactures this ic in a 14lead plastic dualinline package pdip, jedec ms001, 0. The 6v6 sound can be described as warm, and bluesy. Free vacuum tube data sheets free vacuum tube substitution guide manuals free radio tube data manuals free tube base diagrams. Review 7408 kardon labeled vintage matched tubes rca harmon power pair like a 6v6 on steroids higher plate screen voltage please do not ask.
We have general electric usa, not ukand rca recieving tube manuals for sale, as well as the rca transmitting tube manual tt4, and a book of data on western electric tubes. Substitute 5v4g tube for 5ar4 tube audiogon discussion forum. The following guidelines should be taken into account. Very happy with these as replacement for original harman kardon 7408 quarter in my hk a300 stereo amplifier. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. You can key in cyrillic characters to perform the search too. When a kid like me fights cancer read aloud for children is a special selection for childhood cancer awareness month. Ratings are identical, and the only electrical differences are very, very minor differences in interelectrode. This base reference gives a quick way to find which tube. In addition, marine operators, microwave repair technicians, tv and radio technicians will find the handbook to be an invaluable reference tool.
I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. Print page need 6u8 or 6u8 substitute info the am forum. If anyone has more type m tube substitution information, please let us know and we will gladly add it to the below chart. The shot of the getter rings shows the 7408 s are larger.
Try searching the tube data sheet locator, the worlds biggest index of tube datasheets other pages online with tube. Substitutions were often made using lists such as this one by richard crane published in the april 1945 issue of radio news with most tubes no longer being made, substitution lists and tube adapters will be of value in the future in keeping tube radios operational. Until the jj el844 came on the scene in 2011 there really were no substitute tubes for el84 6bq5 tubes. Tube substitution handbook by howard sams and a great selection of related books, art and collectibles available now at. So, i started researching replacement tubes online at all of the music outlets. Substitutions were often made using lists such as this one by richard crane published in the april 1945 issue of radio news. Personally, i do like the 5r4 for dropping voltage. Without a thorough knowledge of tube types and their substitution possibilities, you may be overpaying for your new or. The kwm2a uses a bunch of them, and theyve never seemed to last worth a damn. Browse our complete line of power transmission and fluid power products and services. Franks electron tube pages foreign substitutes for american types this data is scanned and may contain errors caused by the ocr software. This playlist covers mental recovery from an eating disorder. Tubes require octal socket and may be mounted in any position. Tube 7408 or rohre 7408 id6168, beam power tube, octal int.
That tells me the pinout is the same and the plate voltage is close enough. 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. The 1959 book lost some older tube data, and some of the good info in the appendix, but gained a bunch of picture tube crt data, modern tv tubes, as well as some other odd info like crystal diode data. My harman kardon ta 3000x receiveramp has four of these. Top american libraries canadian libraries universal library community texts project gutenberg biodiversity heritage library childrens library. This manual is the 1953 sylvania tube sub manual, and covers it all. The numbering indicates it was made for military use so it should be quite rugged. Vacuum tubes replacement substitutions tables electronic. Good luck with your vintage tube radio restorations. All 6v6gt include our 6 month replacement warranty. This ne w t ube s ub stitut io n guidebook tube substitution.
Adaptor circuits in the back of this book may help. Harmon kardon 7408 labeled matched tubes rca steroids higher. All types listed are direct replacement for 7408 used in hifi amps. The ultimate tube substitution guide january 1, 1998 edition. Tube interchangability reference nostalgic kits central. Matched quad of bogen 7408 tubes tested strong 6v6 japan output tubes.
Dm7408 quad 2input and gates physical dimensions inches millimeters unless otherwise noted 14lead plastic dualinline package pdip, jedec ms001, 0. 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. Antique radio supply sale flawless gemstones antique radio. This topic came up on the collins reflector some time ago with one fellow insisting they were no different than any other tube. While the 7591 output tube is becoming more scarce and expensive, it is actually one of a family of three tubes with essentially identical characteristics. I was just wondering if there are subsitutions you can use for the 6ca4ez81 rectifier. The amp calls for the 5ar4gz34 tube but mine has the 5y3gt in its place. 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. It is quite possible that we have the tubes under a different substitute number. This tube has loads of headroom, tons of bottomend and is clean as a whistle. I guess you folks all need to go dig up leo and teach him a lesson. This page lists all of the 6v6 tubes i currently have in stock, including all. Buy products related to 6v6 tube products and see what customers say about 6v6 tube products on. Datasheet search engine for electronic components and semiconductors.
The information below is accurate to the best of our knowledge. Please note that items here are free and may not be the quality of purchased items. Over the next two decades the 6v6 tube became widely used in small radios, hifi amplifiers and consoles, and instruments amps. How to use this chart for tube substitution tube substitution is difficult without special books on it. The ultimate tube substitution guide by charles kittleson, january 1, 1998, vacuum tube valley edition, paperback. Apparently these tubes are interchangeable but i cant find anything to back this up. In singleended tube amps one 6v6 output tube can produce about 5 watts of power. My favorite tubes and their substitutes by robert h. Ge lists it in their characteristics book so they must have made some as well. These tables below provide a convenient way to check if a. 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. There you go phil, this seems to be a more mordern location man, youre showing your age bud i was just 5 when that publication came out. Glass octal type used as output amplifier tube in highquality sound systems.
Generating less power than other power tubes, 6v6s generally distort earlier. I found a great tube sub manual online for free download if anyone needs one. My take on 14 watt tubes in general is that they have a little less of the 6v6 magic and are more like a. This list is constantly and perpetually under construction.
Tubes are guaranteed for 90 days, refund or replacement our choice. Antique radio forums view topic 78 tube replacements. Sep 09, 2007 ive got an old heathkit aa111 stereo tube amp. This is a suitable replacement for any 6v6 6v6g 6v6gt 6v6gta 6v6gty pentode tube type. Tube substitution handbook will be useful to antique radio buffs, classic car enthusiasts, ham operators, and collectors of vintage ham radio equipment. Gerald weber describes this mod in his book tube amp talk for the guitarist and tech, in the chapter tweaking your amp for bass which is what i use my bassman 100 for. There are a lot of amps that can use different tubes to change or improve their tone for different styles of playing. Open library is an open, editable library catalog, building towards a web page for every book ever published. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Complete guide to replacements for vacuum tubes and picture tubes william smith, barry buchanan on.
This 1960 tube caddy below book also includes all tube numbers from all over the world. The owners manual of the referenced components states that the 5v4g tube can be used in place of the 5ar4 tube but to expect sonic differences. Tubes in the tube column are directly replaceable with tubes in the replacement column. Yarnsub is a free and independent tool to help knitters and crocheters find workable substitutes for discontinued or hard to find yarns. Delivery time is estimated using our proprietary method which is based on the buyers proximity to the item location, the shipping service selected, the sellers shipping history, and other factors. Free vacuum tube data sheets free vacuum tube substitution. The first section of the table lists 4 digit and european types sorted in numerical and alphabetical order with usa type designations in the second column.
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. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Also, i thought about scouring some of the local shops when i visit my brother in s. How to let go, fears, feeling unworthy and having guilt, perfectionism, triggers, how to change your mindset and thinking, how to overcome habits and reprogram your brain.