You searched for: nos vacuum tubes! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. NEVER buy old glass tubes without some agreed warranty! The big enemy of high gain power grid tubes (or valves) using metal oxide cathodes is grid current and excessive cathode current, or low cathode temperatures. The problem is I do not have all the related document in these tubes. The main category is Tubes dealers that is about buy rf tubes, tube dealers links. I waited for the first few batches to go through experience has taught me that many times the first couple of batches suck as they begin to iron out the kinks. The whole lot of seventy-five tubes for $25. Please shop in our new site shop. Learn More. We sell New In Box (NIB), fully-tested New Old Stock (NOS), used vacuum tubes, and our other products to customers globally. Old-style TV sets and other electrical products made between the 1930s and 1970s contain vacuum tubes for creating, amplifying and modifying electrical signals. We connect our clients to superior sound. We 100% Test each vacuum tube before shipment to assure you the best quality possible. Used Vacuum Tubes - Valves classifieds in America. The soundstage is wide and the images are solid. Just for the sake or understanding, when testing a vacuum tube, there is no such thing as "new tube, near NOS or NOS" test reading. Detailed item descriptions. The life of vacuum tubes Join Our Community Subscribe to Paul's Posts. MDB Ventures A new home for specialized collectors. com - View our excellent collection of NOS Tubes. It also is a quieter and Warmer sounding tube. In my modest opinion, and for those who do not want to spend money, JJ Tube is a decent maybe among the best of the current production of 6922 tubes, but has no comparison with Amperex 6922 PQ Tube or any other NOS tube … Everyone has the right to their opinion … “Rating: 35 Not recommended. The majority of the tubes are still in the original boxes but the boxes are very fragile and have deteriorated over time. Tubes carefully tested for transconductance, shorts, gas, life and leakage. This is a lot of 80 NOS vintage vacuum tubes for radio, TV, etc. i almost always use cryoed power tubes from www. Excellent Customer Service. Since 1996, Tube World, Inc. Tube Amplifiers & NOS Tubes. Audiophile Tubes, Audio Tubes, Nos Tubes, HiFi Tubes, Guitar Tubes, Rare Vinyl Records, Esoteric Sacd the electron current density within the vacuum tube reaches. Affordable worldwide shipping. Keep checking back for newly added Vacuum Tubes for sale. For hi-fi, if your criteria for judging value in vacuum tubes is purely based around objective, measurable things like cons. 200-400 NEW listings PER WEEK! Bookmark us!. If you love tubes as much as I do, you know the lure of finding great NOS tubes. I have not tested any of them. McShane Design - Citation & Other Vintage Tube Gear Fine Vacuum Tubes & Vacuum Tube Parts/Kits Now - Pay By Credit Card or PayPal! See "How To Order" below! Need tubes? Scroll down for a huge list of new production, NOS, and great used tubes. Designed to higher standards, these U. CLICK HERE to view 5R4GY Brimar. For tube numbers beginning with a letter, and European tubes, the list begins here:. No tube is sold that has any gas, leakage or fails life and strength tests. Also have lots more tubes and some old radio chasses if you need more parts. The response is very smooth, there is plenty of detail and that wonderful warm tube sound. 5 Million Vacuum Tubes on hand under one roof. Changing vacum tubes can be VERY DANGEROUS if you do not know what you are doing. Tubes carefully tested for transconductance, shorts, gas, life and leakage. New Old Stock (NOS) - Our new-old-stock tubes were made by the major U. Shuguang Brand 6N8P Military J Level Vacuum Tube VaIve Instead of 6H8C ECC32 CV181 6SN7 B65 Made in 1960s for HiFi Hi-end Amplifier Audio Senior Player Headphone Pro-amp Fever Acoustic DIY Lab 1pc. This is intended to make an easy transition to the inexpensive 6GH8A tube as a direct plug-in adapter to replace the now expensive and hard to find 7199 tube. Watch for the following brands: Mullard, RCA, Telefunken, GE, Brimar, and many more. d = Diode Unit. We also offer high quality and hard to find parts for DIY tube amplifier projects. do it a few times first without glue, as it can be a little tricky not to let tube jump out of your hands ,or wiggle too much on wires in base. They are otherwise identical to the 12AX7. Photo is of the actual tubes. Most high power transmitting tubes are triodes or tetrodes. We Stock over 7,800 different radio and and vacuum tubes. The U19 was designed to have an effective series resistance of 600 Ohms and to feed a reservoir capacitor of not more than 4 µF. therefore, in order to get replacement tubes you either have to modify your equipment or buy new-old-stock tubes (or, you could buy used tubes which have an ambiguous amount of life left in them). Shuguang's vacuum tube production accounts for the world's 40% total tube output nowadays, either under their own brand "Shuguang" or under OEM brands. 3862 tube types : New in box (NOS), Used and more, rare. All EL84's are burned-in, tested, and matched. These are the real deal, made in England. All the Aikido line stage amplifier kits have included tubes, but the tubes were not for sale independently of the kits; no longer. NOS Vacuum Tubes. Shuguang Brand 6N8P Military J Level Vacuum Tube VaIve Instead of 6H8C ECC32 CV181 6SN7 B65 Made in 1960s for HiFi Hi-end Amplifier Audio Senior Player Headphone Pro-amp Fever Acoustic DIY Lab 1pc. The first electronic amplification of sound was done with Vacuum Tubes. do it a few times first without glue, as it can be a little tricky not to let tube jump out of your hands ,or wiggle too much on wires in base. Thousands of Audio, Radio and HAM vacuum tubes. The tube list at The Tube Center is very extensive, as is our inventory of Vacuum Tubes, Grid Caps, Sockets, Valves, and Capacitors. We also have a large stock of globe radio tubes, and have antique radio's for sale. New old stock (NOS) vacuum tubes are tubes made by manufacturers that are no longer in existence but are known to be the best sounding, most durable and reliable vacuum tubes ever made. hx = Hexode Unit. Looking for the definition of NOS? Find out what is the full meaning of NOS on Abbreviations. Certainly among the best of this type every made. The vacuum tube is often used to amplify weak currents or act as a one-way valve (rectifier) for electric current. We start this video with a quick run-down on the current state of vacuum tube production. Vacuum Tubes NOS added 5 new photos from August to the album: NOS Tubes under $10 — at VTubeAudio Home Office. Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest. The VTA M-125 amplifiers are available both as kits and as fully-wired, ready-to-play products. Clearly, self serving profit motives prevail. We also offer high quality and hard to find parts for DIY tube amplifier projects. 5Y3 VACUUM TUBES. ABC Vacuum Tubes is dedicated to providing Ham radio, amateur radio operators, antique radio enthusiasts, audio professionals and hobbyists the ability to choose from an inventory of over 3. Other NOS dealers were around $100 - $115 for the same exact thing. New and Used Vacuum Tubes/Valves. All else being equal, the. diyhifisupply. Looking for the definition of NOS? Find out what is the full meaning of NOS on Abbreviations. Please call 920. They feature black smoked glass and O. 1 tube $199) EF14 Telefunken NOS tube was "FACTORY SEALED" inside original box, seal was cut to test tube (ig date code = March 1957) (17. Tung Sol NOS 6AQ5A Vacuum Tubes. 100% guarantee that our tubes will arrive as described and sound great. Whatever you need we probably have and will be happy to list for you. Low Noise (LN): A superior tube especially tested for today's quality line stages. Rare, Vintage, Industrial, Ham, Radio and Audio vacuum tubes for sale. There is a expert in HK who has published article regarding the Tube, but there is still a lot of knowledge to tell that is real of fake or not. The glowing tube, the single ended tube - it's enough to make an audiophile cry with tears of joy. Certainly among the best of this type every made. The main category is Tubes dealers that is about buy rf tubes, tube dealers links. NEVER buy old glass tubes without some agreed warranty! The big enemy of high gain power grid tubes (or valves) using metal oxide cathodes is grid current and excessive cathode current, or low cathode temperatures. Play Things Of Past-----> Ballast Tubes This page updated Jan. Affordable worldwide shipping. They are stamped Japan. All areas may not function properly. All vacuum tubes are new or NOS (new old stock) or used if noted. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hi-fi stereo, or other electronic piece. Store Hours Monday - Friday 9 am - 5 pm Central Time : SND Tube Sales. New New Old Stock(NOS) Used Welcome to my home page. If a tube is listed as "tests NOS" but is listed as "not True NOS" please expect the tube to have a small amount of use * All tubes have been tested using only the best tube testers. BMI Surplus offers a large inventory of Electronic Parts Equipment that includes a large supply of New & Used Vacuum Tubes for sale. p = Pentode Unit. We now have a working inventory of over 7,800 different radio tubes, amplifier tubes, and industrial vacuum tubes in stock. You can also learn more about vacuum tubes and tube amplifiers. We also have a large stock of globe radio tubes, and have antique radio's for sale. Changing vacum tubes can be VERY DANGEROUS if you do not know what you are doing. Read our reviews or we'll help you with a recommendation. They differ in the construction of the Cathode and the materials used. These are high quality tubes in box and sealed nicely. I have stocks of many hard to find NOS (new old stock) audio, guitar, and radio tubes, and the. Browse your favorite brands affordable prices free shipping on many items. Mullard tubes and valves of all kinds - we have largest supply of Mullard Tubes in the world! Looking for that rare power valve? We probibly have that too. 18 hours ago · Find many great new & used options and get the best deals for Vacuum Tubes - 17EW8 Japan Unbranded (100) NOS (1 full case) at the best online prices at eBay! Free shipping for many products!. Photo is of the actual tubes. Photo is of the actual tubes. Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. TUBES & SOCKETS. The tubes in it are NOS Amperex Holland E88CC's. It is a good tube to use for higher gain guitar amplifiers. These people mean the brand name of the vacuum tube. Fast World wide shipping and superior customer service! We are working on making the site PDA accessible. Audio tubes for any amplifier: from high end home audio to classic guitar amps. Also De Forest tube cans. Vacuum tubes for amplifiers, preamps, studio equipment, and antique radios. The first vacuum tubes had just two elements, a heater (or filament) and a plate, and were called diodes. It is a good tube to use for higher gain guitar amplifiers. Also some Soviet cold war era tubes. It cannot therefore be used as a reliable element of a tube's operation. We sell New In Box (NIB), fully-tested New Old Stock (NOS), used vacuum tubes, and our other products to customers globally. The filament is heated by a small AC voltage, for example 6. If a tube is listed as "tests NOS" but is listed as "not True NOS" please expect the tube to have a small amount of use * All tubes have been tested using only the best tube testers. An electron tube (also known as a 'Vacuum tube', or a 'Valve' ) is a glass or metal enclosure in which electrons move through the vacuum or gas from one metal electrode to another. Vacuum tubes can be tested outside of their circuitry using a vacuum tube tester. diyhifisupply. Tube Amplifiers & NOS Tubes. Welcome to Tube World. Used Vacuum Tubes - Valves classifieds in Canada. So you can easily flavor your amp without going bonkers on the extent of you NOS tubes. Did you know that Vacuum tubes say in a Guitar/Bass Amp can have severe shortened life span? One reason is playing at near full volume. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today. Manufacturers & Services: In electronics, a vacuum tube, electron tube (in North America), thermionic valve, or just valve (elsewhere, especially in Britain) is a device used to amplify, switch, otherwise modify, or create an electrical signal by controlling the movement of electrons in a low-pressure space. CLICK HERE to view 5R4GY Brimar. 200-400 NEW listings PER WEEK! Bookmark us!. We also have a large stock of globe radio tubes, and have antique radio's for sale. 93B3-4 Color burst frequency vacuum tube crystal, used in 1956 color TV sets $25. Affordable worldwide shipping. These are the real deal, made in England. The resource is currently listed in dxzone. Our LN tubes are within 4dB of the theoretical noise limit for that tube. it got me wondering if i should get an extra set. The first electronic amplification of sound was done with Vacuum Tubes. Certainly among the best of this type every made. The symbol for a tetrode vacuum tube is very similar to a pictorial of how the tube is constructed. The document has moved here. Valves & Vacuum Tubes. N6CV Ham Member QRZ Page. These are the real deal, made in England. 00 3- Nuvistors 2CW4 4- 6DV4,s 1-6CW4 1-13CW4 2- 8056,s $60. Vacuum tubes can be tested outside of their circuitry using a vacuum tube tester. We have over 25,000 NOS (new old stock) tubes available however we do not keep these on the site due to the sheer volume of data it would produce on the site, also NOS is stored off-site in another warehouse and is only handled once per week. Please be aware that most of these vacuum tube projects use potentially lethal voltages that can kill you so do not attempt them if you are not familiar with high voltage safety!. All vacuum tubes are new or NOS (new old stock) or used if noted. Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. It had a metal envelope which was popular at that time for use in radio sets since it was less likely to break than a glass envelope. McShane Design - Citation & Other Vintage Tube Gear Fine Vacuum Tubes & Vacuum Tube Parts/Kits Now - Pay By Credit Card or PayPal! See "How To Order" below! Need tubes? Scroll down for a huge list of new production, NOS, and great used tubes. We also offer high quality and hard to find parts for DIY tube amplifier projects. I'd only buy true NOS tubes from a reputable outfit with a functioning web site (the website caveat eliminates a lot) like Upscale Audio. It also is a quieter and Warmer sounding tube. Price Match Guarantee. very smooth. Identical internally. New Old Stock (NOS) - Our new-old-stock tubes were made by the major U. 1-3/8" diameter x 1-1/8"H. The whole lot of seventy-five tubes for $25. 3862 tube types : New in box (NOS), Used and more, rare. often when a power tube goes. All tubes are tested and guaranteed. Shuguang's vacuum tube production accounts for the world's 40% total tube output nowadays, either under their own brand "Shuguang" or under OEM brands. No matter what you’re looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. We have over 100,000 collectible items for sale, and our inventory is growing daily. True NOS Brimar England 6X4 / EZ90 Black Glass Smoked Vacuum Tube This is the best 6X4 / EZ90 tube on the market. The additional 81st unboxed tube may be used. They are stamped Japan. manufacturers, along with a small number of European manufacturers and are tested. All the big audio tubes in popular use are always a crowd pleaser (KT88, EL34, 300B, 2A3). If your vacuum tube gear takes a 5U4GB, then you owe it to yourself to do some research on the Grandaddy of all 5U4GB vacuum tube rectifiers, the Western Electric 422A (these were made in 1956). For hi-fi, if your criteria for judging value in vacuum tubes is purely based around objective, measurable things like cons. Excellent Customer Service. We carry premium hand selected vacuum tubes for guitar and HiFi amps. They are otherwise identical to the 12AX7. com THE TUBE SHOP. Power Vacuum Tubes. Tubes or transistors? The Holy War; Assembling together a vacuum tube stereo system; A starting guide to NOS vacuum tubes; Genalex Gold Lion KT88 vacuum tubes; Shuguang Treasure CV181Z vacuum tube; Shuguang Treasure CV181Z vacuum tube - follow-up; Shuguang Treasure EL34 and KT66 vacuum tubes; Shuguang Treasure 300B vacuum tube; The Svetlana. Send to printer for easy viewing All prices are for quantity one piece, subject to change. HYTRON VT-25 / 10 Pair VT-25/10 is one of the early high vacuum triode tube suitable for use as an audio-frequency amplifier. hx = Hexode Unit. Question: What are NOS and NIB tubes? Answer: "NOS" stands for "New Old Stock", which means that the tube has never been used and is from old production. Magic Eye Indicator Vintage Vacuum Tubes Beiguang NOS 6E2 VU Rhos Certificated. website! We have added a shopping cart for easier ordering and an improved search feature. Identical internally. I used my audio-visual system to review the Sophia Electric EL34-ST vacuum tubes. For hi-fi, if your criteria for judging value in vacuum tubes is purely based around objective, measurable things like cons. All the Aikido line stage amplifier kits have included tubes, but the tubes were not for sale independently of the kits; no longer. Triode Electronics. 2 product ratings - matched quad of RCA type 6080 vacuum tubes test >90% of NOS new. It's even. Welcome to the new and improved Vacuum Tubes, Inc. Thousands of Vintage NOS and used Vacuum Tubes for Audio, Radios, TV's, Amplifiers and more. NOS Vacuum Tubes For Sale - Audiophile NOS Tubes - NOS Valves For Sale. We carry premium hand selected vacuum tubes for guitar and HiFi amps. The real deal; actually made by RCA and in original boxes. Play Things Of Past-----> Ballast Tubes This page updated Jan. About Hi Test. I have not tested any of them. Western electric 407a vacuum tubes nos (lot of 5) Sold at 8 $ Up for sale is a lot of 5 western electric 407a tubes. 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. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hi-fi stereo, or other electronic piece. Maybe tubes aren't as powerful or as accurate as solid state designs but there is just something thrilling about tubes that can't be beat. Koetsu USA, the U. Vacuum tubes went the way of the dinosaurs in the 1960s, but researchers have now brought them back to life, creating a nano-sized version that's faster and hardier than the transistor. Watch for the following brands: Mullard, RCA, Telefunken, GE, Brimar, and many more. Basic Vacuum Tube Theory Introduction. Shop with confidence. one of the best ways to deal with that spring out/keep it straight problem till epoxy sets is to get two of those 1/8" wide rubber bands. Philips JAN 5U4GB full-wave vacuum tube rectifier, an ideal choice for all tube amplifiers. The first electronic amplification of sound was done with Vacuum Tubes. 93B3-4 Color burst frequency vacuum tube crystal, used in 1956 color TV sets $25. All tubes are tested and guaranteed. Also De Forest tube cans. ALL TUBES NEW AND THOROUGHLY TESTED TO ENSURE THAT OUR OFFER IS ALWAYS FIRST QUALITY. The Amateur Radio Relay League, The Radio Amateur's Handbook, 37th Edition, Rumford Press, 1960The Radio Amateur's Handbook. Also some Soviet cold war era tubes. So this whole thing doesn't seem to make sense. Tubes, vacuum. Also to some extent whether you're using them for hi-fi or guitar usage. HHScott reference for fans of vintage vacuum tube Scott consumer hi-if components from 1946 to 1966. EMAIL WATTS! 12AX7 | ECC83 VACUUM TUBES. Since 1996, Tube World, Inc. Used Vacuum Tubes - Valves classifieds in Canada. Shuguang Brand 6N8P Military J Level Vacuum Tube VaIve Instead of 6H8C ECC32 CV181 6SN7 B65 Made in 1960s for HiFi Hi-end Amplifier Audio Senior Player Headphone Pro-amp Fever Acoustic DIY Lab 1pc. one of the best ways to deal with that spring out/keep it straight problem till epoxy sets is to get two of those 1/8" wide rubber bands. An electron tube (also known as a 'Vacuum tube', or a 'Valve' ) is a glass or metal enclosure in which electrons move through the vacuum or gas from one metal electrode to another. Welcome to Tube Audio Supply !! We carry vintage amp parts and supplies: chassis, tube sockets, electrolytic caps, coupling caps, resistors, turret boards, Switchcraft jacks, potentiometers, knobs, pilot lights, #47 lamps, new, used and NOS tubes in the most popular types used in guitar amps today. This is the largest stock anywhere in the world and is continually growing. The whole lot of seventy-five tubes for $25. You will be satisfied or we’ll make it right, right away. Welcome to the new and improved Vacuum Tubes, Inc. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hi-fi stereo, or other electronic piece. All vacuum tubes are new or NOS (new old stock) or used if noted. There were a few versions of this tube created before what's available now. VTubeAudio is more than just products. per Piece. Simply plug these adapters into a socket that is pined-out for a 7199 tube and insert a 6GH8A tube into the adapter. So this whole thing doesn't seem to make sense. True NOS Brimar England 6X4 / EZ90 Black Glass Smoked Vacuum Tube This is the best 6X4 / EZ90 tube on the market. You can find recommendations on our site or you can ask us. With the kit supplied JAN Philips 5751 drivers and Genalex - Gold Lion KT88 output tubes the sound was superb. The reference tube – great for instrumental and vocals. Vacuum Tube Superstore. THE WORLD'S LARGEST SELECTION OF FIRST QUALITY NOS TUBES FOR GUITAR AMPS! No pulls. only shipping within the u. If you are looking for NOS tubes for your Hifi audio system, guitar amplifier, or tubes for other types of vacuum tube gear, we probably have it in stock! If you do not see what you are looking for, then please contact us!. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. NOS/NIB Power Tubes. Certainly among the best of this type every made. Product: Tung-Sol KT150 Vacuum Tube Quad / Set of 4; New / Open BoxProduct SKU: 17131Cosmetic Description: 10/10 Exceptional condition with no visible wear. Kropotkin NOS Tubes Robert Silk (801) 583-6616: SND Tube. New and Used Vacuum Tubes/Valves. The document has moved here. Search for: Menu Skip to content. NOS vacuum tubes for sale and electron tubes for audio, guitar amplifiers, radio vacuum tube and audio tube at LOW prices! Professional Testing with 30 Day Warranty!. Search for a tube. The Authority on Hi-Fi DIY. We Stock over 7,800 different radio and and vacuum tubes. New Old Stock (NOS) - Our new-old-stock tubes were made by the major U. RCA 6L6GC’s, black plates and side getters, matched prs. Still the person who send me those pictures was 100% sure. Vintage NOS and Used (Tested) Vacuum tubes / valves Vintage NOS (New Old Stock) and used but tested good American and European tubes or valves of the highest quality from the golden era of tubes. Certainly among the best of this type every made. The resource is currently listed in dxzone. Also have lots more tubes and some old radio chasses if you need more parts. 108/C1 Siemens $10. We specialize in new-old-stock tubes and offer high quality tubes, sockets, capacitors, and other parts. Jerry, W0SAT. The only NOS valve dealer with a real webstore. 1981 Tokai LS80 Love Rock Guitar. You searched for: nos vacuum tubes! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. com in a single category. No almost NOS to spoil your tone. market the VX PP-KT88/C Integrated Amplifier by VEXO Audio, a leading Milan, Italy-based manufacturer of preamplifiers, amplifiers and integrated amplifiers. Do a GOOGLE SEARCH for: changing vacuum tubes Be very careful and if you have any doubht's please have a radio shop change them for you. For Sale NOS Vacuum Tubes from SK Ham's estate. 1-3/8" diameter x 1-1/8"H. The U19 was designed to have an effective series resistance of 600 Ohms and to feed a reservoir capacitor of not more than 4 µF. Riverstone Audio - Matched Pair (2 Tubes) 6N6P (6Н6П) Vintage NOS Russian Vacuum Tubes - NEVZ (Novosibirsk, Russia) - Amplitrex Tested and Matched, Platinum Grade. Most small signal vacuum tube devices have been superseded by semiconductors, but some vacuum tube electronic devices are still in common use. The Master Valve. New and Used Vacuum Tubes/Valves. Since 1996, Tube World, Inc. 3862 tube types : New in box (NOS), Used and more, rare. So what is a NOS? New Old Stock or Nasty Old Stuff? Sometimes both. Large selection of current and NOS EL84 / 6BQ5 power tubes. Tubes carefully tested for transconductance, shorts, gas, life and leakage. Figure 2 shows the schematic symbol for a tetrode. For tubes numbered above 100, please scroll down past this next section. You searched for: nos vacuum tubes! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. diyhifisupply. Selling various new old stock tubes. Find many great new & used options and get the best deals for Vacuum Tubes - 17EW8 Japan Unbranded (100) NOS (1 full case) at the best online prices at eBay! Free shipping for many products!. Order Info & Policies. We Stock over 7,800 different radio and and vacuum tubes. For great deals on RCA vacuum tubes you can't beat the prices and selection here at Vacuum Tube Superstore. Welcome to the new and improved Vacuum Tubes, Inc. Designed to higher standards, these U. market the VX PP-KT88/C Integrated Amplifier by VEXO Audio, a leading Milan, Italy-based manufacturer of preamplifiers, amplifiers and integrated amplifiers. $200 or best offer Price: $200; Read more Vacuum Radio Tubes NOS Sponsored Link. Raytheon NEW (NOS) These are special low noise and microphonic tubes made by Raytheon. Tubes with part numbers beginning with NOS are in stock and ready to ship! Javascript is disabled on your browser. In spite of the advancing state. new old stock (nos). The document has moved here. Tubes or transistors? The Holy War; Assembling together a vacuum tube stereo system; A starting guide to NOS vacuum tubes; Genalex Gold Lion KT88 vacuum tubes; Shuguang Treasure CV181Z vacuum tube; Shuguang Treasure CV181Z vacuum tube - follow-up; Shuguang Treasure EL34 and KT66 vacuum tubes; Shuguang Treasure 300B vacuum tube; The Svetlana. Need sweep tubes or driver tubes for your Swan, Drake, Galaxy or Yaesu transceivers? We have them!. Power Vacuum Tubes. The first electronic amplification of sound was done with Vacuum Tubes. Jerry, W0SAT. The problem is I do not have all the related document in these tubes. We stock current production 7591 and 7868 tubes for your vintage audio amps. I recently acquired several New Old Stock (NOS) vacuum tubes that have been sitting in an attic for decades and have not seen the light of day until recently. ALL TUBES NEW AND THOROUGHLY TESTED TO ENSURE THAT OUR OFFER IS ALWAYS FIRST QUALITY. My pull out tubes were perfect. The majority sold are sold in kit form. Credit for the 1904 invention of the vacuum tube belongs to John Ambrose Fleming, but the device we associate with amplifiers came three years later when Lee De Forest gave us the three-terminal "Audion" tube, a crude form of what was to become the triode. Mullard tubes and valves of all kinds - we have largest supply of Mullard Tubes in the world! Looking for that rare power valve? We probibly have that too. L3-1 and L3-3 was developed in the late 50s and was named MILY-1 (small test tubes universal, model 1). The only NOS valve dealer with a real webstore. We then discuss some of the history behind New Old Stock (NOS) vacuum tubes and the military testing. manufacturers, along with a small number of European manufacturers and are tested. * The RCA and Sylvania tubes used in the ST-70a were originally NOS and have been lightly used. It is a good tube to use for higher gain guitar amplifiers. About Hi Test. 12ax7 | ecc83 vacuum tubes We have a huge supply of in stock and will be listing them almost every day so please check our inventory frequently.