Telefunken 12ax7

Shop with confidence. I have two heads with EF86 preamp tubes but they also have 12AX7 preamp tubes and can be blended in or out. VINTAGE TELEFUNKEN 12AX7 | ECC83 PREAMP TUBEThe Fisher Branded Made in West Germany with Diamond mark. The Telefunken 12AX7 vacuum tubes are compact and produce a full frequency response that is of high quality. Thus, much has been said and written about Telefunken's 12AX7. ECC83-TK (12AX7) vacuum tube. Thanks very much for the article regarding the fake Telefunken ECC83. (Besides the obvious and the price on ebay). They are printed in white with Telefunken logo ECC801S with various 5 digit codes. 75 PAIR (TWO) Factory Matched and Balanced Telefunken Elektroakustic E88CC 6922 Black Diamond Tubes AMPEREX BUGLE BOY 12AX7 used/tested faded or mostly missing Bugle Boy logos $40. This design provides plenty of gain while maintaining an extremely low noise floor. 2 mA at 250 volts with a -2 volt bias. 00: Mullard 12AX7 Standard Grade [CALL OR EMAIL FOR AVAILABILITY] $75. Made in pre-war Yugoslavia. The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types. Telefunken Ecc 83/12ax7 tube, made in western Germany. They seem to have a bit more "Cream" throughout the mids and a little less "Chime" on top. (Realize if you will, that this amplifier would have originally come with Telefunken ECC83/12AX7 tubes so you know what happened to them ) Just looking for your take on this. $29. Talk with your fellow tone freaks on the web's liveliest (and friendliest!) tone forum. By Telefunken. Your Rating 12AX7/ECC83 Telefunken 1950's - 1960's Moving-Coil 6 $188. They are (almost) identical copy of genuine Telefunken’s smooth plate ECC83 / 12AX7 from 60s. In my Super Lead I'll take Mullards over the Tele's. Any vintage Euro ECC83 kills the US made 12AX7s and 7025s for noise, gain and microphonics. . A 5751 is a great 12AX7 replacement with a bit (~30%) less gain and with lower noise, that really takes the edge off the "hotter" 12AX7 and gives a nice smooth, detailed, and creamy tone (I use a NOS Sylvania JAN 5751 in my This is the finest ever NOS 1960's TELEFUNKEN ULM, 46 YEAR OLD PRISTINE NOS, THE MOST SCARCE of the ECC83 12AX7 variant designed for superior QUIET performance, 50,000 hour heater-life, PERFECT BALANCE, SHOCK & VIBRATION RESISTANCE, and high-bandwidth musical sound reproduction - TELEFUNKEN ULM "HOLY-GRAIL OF ECC83 12AX7 CLASS TUBES. There are SO MANY 12AX7s that are quite simply, much more interesting and sonically superior to the Telefunken. Ei Yugoslavia 12AX7 | ECC83 Vacuum Tube. Hardly anything or anyone uses 12AT7s, so very little has been said about Telefunken's ECC81/12AT7. Germany,<> bottom. 00 RFT 12AX7's…$60. 99. Telefunken 12AX7 <> smooth plate: Late breakup, very clear, clean sound. Bendix 6900 Vacuum Tubes United Electronics 845 Tubes Telefunken 12AX7 Amperex 7308 Amperex 6922 BWS Consulting can supply you the highest quality vintage vacuum tubes from: Amperex, Bendix, General E I began modifying stereo equipment in the 1970s. The amplifier comes with a complete original tube set 4- Telefunken 12AX7's, 2- Black plate RCA 7199 phase inverters, 4- HH Scott USA 7591's and a Mullard 5AR4 rectifier, The tube alone on this one are worth nearly $500 sold separately. 0 results found for telefunken 12ax7 Save telefunken 12ax7 to get e-mail alerts and updates on your eBay Feed. Hi, I have for sale one matched pair (2 tubes) NOS Telefunken 12AX7 smooth plates They were bought new from Brent Jessee's audiotubes. A 12AX7A is, IMO, quieter than a 12AX7. It was released for public sale under the 12AX7 identifier on September 15, 1947. Has Diamond on bottom and coded "HG" on the side. Unfollow telefunken 12ax7 to stop getting updates on your eBay feed. Anyway, for those of you who have an experiences with both Telefunken and Mullard 12AX7 tubes, how do they compare to each other when it comes to sonic character and durability? Thanks very much for the article regarding the fake Telefunken ECC83. 12ax7a Voice of Music. Order no. The earliest versions from the 1950's have a "treble clef" logo or just the name Amperex (looks like the lettering above). 95 shipping. 12AX7 / ECC83 / CV4004 / CV492. RFT 12AX7: Early breakup, darker sounding (my personal favorite) I have used all 3 in a Marshall plexi amp. With 12AX7, the plate resistance = 70k, tube gain = 100. It has been torture tested in a JTM 45, a Deluxe Reverb, an Orange 50 watt combo, and Bandmaster Reverb, with no failures or noise problems after hundreds of hours in clubs and Find great deals on eBay for telefunken 12ax7 and mullard 12ax7. The latest Russian re-issue is a perfect example. I was shocked when I heard telefunken ecc83 12ax7 ribbed plate diamond bottom strong pair--$150 test result--43/44, 45/43 telefunken ribbed plate have a very detail, wide soundstage, good bass. NOS audio triode valve. Each of this tube is guaranteed for 10,000 hours of usage i. We have all heard the chatter about telefunken,mullard bugleboy,and thats exactly what it is, chatter . I also have a set of Telefunken EL84's that are an incredible-sounding tube Fake Telefunken 12ax7/ECC83 everywhere be warned. All tubes are new in their original box. This tube has a mu factor of 60, as compared to the higher gain 12AX7 with a factor of 100, and the 12AU7, with a mu of only 20. 1960's versions have the famous "bugleboy" logo. Call 800-472-6274 for expert advice. One day, in the middle of work time, a colleague entered my office to ask something and from the corner of my eye I glimpsed a man who was staring like hypnotized into an amplifier. telefunken stereo-Find the Best Deals, Coupons, Discounts, and Lowest Prices. Telefunken smooth plates 12ax7 ECC83 matched tubes quad. ElPaso TubeAmps 35,917 views. MULLARD TRIO (THREE) 12AX7 ECC83 Long Plate Preamp Tubes $ 51. Comparisons 12AX7-EH ElectroHarmonix Tube Electro-Harmonix 12AX7-EH Forget about Telefunken. I've spoken with three different tube vendors who are frequently recommended on this forum and received three different assessments of the ribbed vs smooth plate versions. JAN Raytheon 12AX7: Very balanced, smooth. Share the load (and save our backs)!! We're having our first ever "sale" in order to avoid moving all this equipment to our new location. By offering historic recreations of classic microphones alongside our own proprietary designs based around the distinctive tube mic sound, we have established a product line that perfectly blends vintage style and sound with the reliability of a modern-day microphone. All are welcome, from seasoned pros to absolute beginners. If you are looking to upgrade the tubes in your amp, 12AX7 in V1 where you want to start. Looking for ECC83, 7025 Tubes? You can use any current production 12AX7 tube as 12AX7A, ECC83 or 7025. A Comparison of Current Production 12AX7 Tubes. ECC83: This is the identical European equivalent of the 12AX7. The Telefunken ECC83-TK/12AX7 Black Diamond Series Vacuum Tube is ideal for use in input and inter-stage audio amplifiers in homes, studios, and live stage applications. 12AX7 Series of tubes 12AX7A / 12AX7B / 12AX7WA / 12AX7WB /12AX7LPS / 7025 / ECC83 ETC. When it comes to 12ax7 tubes Siemens is the topper of the list . But read your manual or look online to make sure yours does before shelling out for a Telefunken 12AX7. These are the highly desirable smooth gray plate 12ax7 tubes with the halo getter just like the famous Telefunken 12AX7 they are modeled after. My impression is an EF86 is a bit "rougher" or "raw" in its gain than a 12AX7. But there is no need to worry because we are here to roundup the best tubes around and guide you in picking the best one for you. Check out his site with some old Telefunken and Valvo datasheets. The Mullard 12AX7 long plate are excellent plus extremely expensive. the name 10M. It is the most used type of tube in input and inter-stage audio amplifiers. Some people like to use those little references that say if you want less gain than a 12AX7, use a 12AT7, as it has only 70% of the gain of a 12AX7 etc. Unfollow 12ax7 telefunken to stop getting updates on your eBay Feed. Amperex 12AX7's, 17mm plates, 1953 MCB production with welded plates, foil getter and inked production codes…$295. Power tubes will be supplied in matched pairs or quads. Telefunken stated it would last 10,000 hours or more. i bought a collection using what i needed and selling what i donttested in 4 testors with results shown. The rare Telefunken ECC801S tube (12AT7/ECC81) is thought by most to be the best 12AT7 tube ever made. Audiophiles swear by the sound quality produced by tube technology, but finding the best 12AX7 tubes for Hi-Fi sound systems can be a herculean task. Labels may vary or be completely worn off. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments. telefunken made one of the best 12au7, 12ax7, 12at7, you will not be disappointed. 12AX7/ECC83 Telefunken Diamond Bottom Smooth Plates used/tested: (the smooth plate 12AX7 has a more balanced sound than a rib plate and great upper midrange with good high-end detail and extension) TO BUY 12AX7 Telefunken smooth plates Sonic Comments in Aesthetix Calypso: ----- Tubes work just fine!!!! 1967 nos ge usa jan 12ax7 military 12ax7wa ecc803s nos digital balanced perfect trio Telefunken > Diamond ECC83 / 12AX7 Smooth Platinum Low Noise Tube Telefunken < > Diamond ECC83 / 12AX7 Smooth Platinum Tube Just recently bought NOS/NIB Telefunken Smooth plate and after some tube rolling I am sure that TELEFUNKENs are the best in the world, period. Another common name for the 12AX7 tube is ECC83 and for premium versions the 7025 and ECC803 audio tubes. Originally, the 12AX7 / ECC83 vacuum tube was introduced to be a superior option for lower noise and microphonics over the 6SL7 tube that was commonly used in the 1940s. Many prefer these to the Telefunken and are probably the second most sought after brand of 12AX7. 3 ma,,tube2) 43/45 This design is much like a Telefunken 12AX7 / ECC83 smooth plate but a bit shorter. AMPEREX 12AX7 used/tested labeled Wurlitizer, Eico, Fisher,Hewlett Packard,or faded Amperex logos $ 35 . I believe that both Telefunken and Mullard make 12AX7 tubes. There are many 12AX7 on the market today. High gain, super low microphonics, and superb linearity with a three dimensional tone. One thing I like doing is put a 12AT7 tube in V1 position in SOME amps. Telefunken 12AX7 ribbed plates - a typical soft, unfocused 12AX7 sound with big, soft, images allied with a bright bass shy character. From stompboxes and guitar amps to compressors and microphones, 12AX7 tubes are widely used for their even-order harmonic distortion and full frequency ra Nothing brings your amp to life better than an excellent NOS 12AX7 preamp tube. 00. The output impedance of the 1st gain stage is equal to the plate load resistor paralleled with the plate resistance, so in my case it is about 51k, which is a bit high to drive a real load. Sweet and rich, while at the same time a bit With 12AX7, the plate resistance = 70k, tube gain = 100. These are authentic diamond based, hi quality used, as new, tested strong, audio tubes made to last 10,000 hours. Both versions sound lovely Telefunken 12AX7 Pair of nice Telefunken 12AX7s. There are many versions of this tube. Testing in the NOS range. These are a little brighter and more detailed than the smooth plate and work perfectly as the phase inverter in Dumble style amplifiers or when you are needing a little more crisp clarity from a 12ax7. TELEFUNKEN Elektroakustik Matched Pair of ECC83-TK | Black Diamond Series 9 Pin Replacement Vacuum Tube 12AX7. 12AX7 tube is the most common preamp tube today. Using these value in the above formula, the calculated gain is 51. This is a kind of distortion, even if the amp does not sound overdriven. The Lorenz ECC83s sound very nice, too. enhanced quality that a good Mullard 12AX7 adds to the mid-range is a real good point. File:Vintage Telefunken 12AX7 (ECC83) Vacuum Tubes, Made In Western Germany (15822838905). Available in the more coveted Smooth Plate design or Ribbed Plate. . TESLA E83CC - FRAME GRID NOS TUBES - MATCHED PAIR - TELEFUNKEN ECC803S. 00 In terms of audio popularity, the 12AX7 is probably second only to the ubiquitous 6922. Grade 2 versions have higher than average microphonics and are not recommended for first gain, or phono, stages. So I am a green learner. I have some mullard longplate 12AX7's and 12AU7's that I have been using on a regular basis for the past two years. 12AX7 (also known as ECC83) is a vacuum tube that is a miniature dual triode - 6AV6 with high voltage gain. All of this for $10. ᅠᅠ Hi Mike, just wanted to let you know that the two JAN 5751 tubes arrived and sound outstanding in my Soldano SLO. 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 structure of the 10M 12AX7 is the same as the Mullard yellow label short plate 12AX7. It is quite rare and the street price in Hong Kong should be around the same as the Telefunken 803S. Tube amps use multiple tubes, and the first position is referred to as V1. Do check out his site with the online RCA HB-3 manuals. Telefunken tubes have a diamond shape molded into the glass on the bottom center of the tube. “Good”, that is. My favourites are still the Telefunken types and the large plate Philips and Siemens types from the 50s. For sale a single Telefunken ECC83 12ax7 preamp tube Being a true Telefunken it has 17mm Long Plates Diamond mark between the pins Tested on my Stark 9-66 Mutual Conductance tester no shorts or gas detected A min good read is 790 and a new tube reading is 1250 This tube tested 1100-1000 So strong testing and well balanced EMT or cash no paypal 220 results for 12ax7 telefunken Save 12ax7 telefunken to get e-mail alerts and updates on your eBay Feed. - $100. 12AX7 Telefunken smooth plate, COMMENTS : Brent- Wanted to let you know that the Telefunken 12AX7 Medical Grade I ordered last week arrived safe and sound, and oh, what a difference! The Ruby tube it replaced in my phono stage was clearly the weak link in my system. Just a small amount of these left. Made in Germany : $75. and the Telefunken line of I reinstalled the GT EL34M power tubes and tried them with the Telefunken RI 12AX7 preamp tubes – I didnt hear that much of an audible difference, maybe a small bit. 00+ The most famous and well known vintage 12AX7, 12AX7/ECC83 Telefunken 1950's - 1960's Moving-Magnet 18 $158. 12ax7 Mullard. Compared to the 5751s they replaced, they clean up a lot better with my Preamp Tubes: 12ax7 vs. ECC83 Telefunken 12AX7 Types My regular job does not have any connections with vacuum tubes, except for the music endlessly playing on my tube amplifiers. 6AK5/EF95 6AQ8/ECC85 6as7/ECC230 6bq5/EL84 6DJ8/ECC88 6sn7/ECC32 12at7/ECC81 12au7/ECC82 12ax7/ECC83 12BH7 300B 5687/7199/6900 5751 5814 5963 5998 6080/ECC230 6189 6550/KT88 7062 7316 Amperex Bendix Brimar CBS-Hytron Ei EL34 Electro Harmonix GE Genalex Ken-Rad Mazda Mullard Phono Cartridge Raytheon RCA ShuGuang Siemens Sylvania Telefunken Tesla The Ei ECC83/12AX7's were produced in Yugoslavia on Telefunken tooling and resemble the smooth plate Telefunken series. I'd try either a reissued Tungsol 12AX7 or that GL B759. Thus the premium prices for old Mullards and Telefunken ECC83s. I'd give the Mullard 10M series ECC83 a try, these are a fantastic alternative to either the Telefunken or Siemens ECC803S. Unfollow telefunken 12ax7 to stop getting updates on your eBay Feed. 12AX7 Tubes. Javascript must be enabled to use this site. For example Mullards have a great midrange, some of them have to much of it, and very What's the consensus here, I have a chance to buy either a NOS Telefunken smooth plate or a NOS Mullard (labeled Hammond, but made in the Blackburn factory) 12AX7 preamp tube (I can get either one, but only have the money to get one for right now). TELEFUNKEN ECC83/12AX7 TUBE, test good. JJ ECC83 / 12AX7 Vacuum Tube The Czech/Slovak heritage of superior industrial craftsmanship continues with the new line of Tesla tubes. What I am talking about is the whole sound spectrum that they deliver. Here is a rare Telefunken 12ax7 matched smooth plates tube quad, have diamond on bottom, , TV7 test 50/48, 48/50, 48/48 &amp; 50/48 were 32/32 is good or 65% and most of new test 49/49. 254185796646 TELEFUNKEN 12AX7 | Ecc83 Preamp Tube | The Fisher Branded | Testing Nos - $39. Very consistently made tube. Comparisons File:Vintage Telefunken 12AX7 (ECC83) Vacuum Tubes, Made In Western Germany (15822838905). All made with good mechanical support for low microphonics. To compare & evaluate the modern items against the best of the The most important tube in your amp? The Phase inverter! Many people think that V1 (the first gain stage) is the most important tube in an amp. The most desirable of the Telefunken ECC83 tubes is the “smooth-plate” or “flat-plate” versions. Both are definitely not considered too warm (but, neither is the TFK or Tungsram). RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. Monoprice 611705 5-Watt 1x8 Guitar Combo Tube Amplifier - Tan/Beige with Celestion Super 8 Inch Speaker, 12AX7 Preamp, Versatile and Durable For All Electric Guitars. 00 Telefunken 12AX7's, 17mm ribbed plates, diamond in glass…$185. We carry a vast number of 12AX7 tubes to help you get the right sonic from your gear. For example Mullards have a great midrange, some of them have to much of it, and very 13 results for telefunken 12ax7 Save telefunken 12ax7 to get e-mail alerts and updates on your eBay Feed. This is a really great tube for folks that dig a very clean tone. The 12AX7 EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS types. But the sound is so very different. The ECC83 Gallery 12AX7 E83CC ECC803S 7025 : 5751 CV4004 CV492 B339 : The ECC83 is still the most important preamp and driver tube. The white print on the glass is labeled for other companies (Fisher, Dynaco, Silvertone, etc) and says "Made in Western Germany" (label may be partial). I was shocked when I heard these guys first hand, but the more I talked to people who knew these tubes the better I understood them. ECC83 03-29-2009, 02:10 PM Since 12ax7's and ECC83's are apparently drop in substitutes for one another (please correct me if i'm wrong though). e. There are few differences: – they don’t have genuine Telefunken thick getter – staples are on inner sides of plates facing each other telefunken ecc83 12ax7 ribbed plate diamond bottom strong pair--$150 test result--43/44, 45/43 telefunken ribbed plate have a very detail, wide soundstage, good bass. The TELEFUNKEN Elektroakustik ECC82-TK is a newly manufactured and cryogenically treated rendition of the classic ECC82, commonly known by the American designation 12AU7. i own 100's of 12ax7 over the last 25 years,telefunken can sound superb in the pi slot of amps, dont like em in the v1 slots as well. Round getter. 00: Telefunken 12AX7 Super Low Noise smooth or ribbed plate [CALL OR EMAIL FOR AVAILABILITY] $175. It is very robust and has a super quiet filament so hum from the heater is greatly reduced. 001: Siemens 12AX7/ECC83 Grey plate, round getter. 00+ balance. i must have 70-80 variations of 12ax7 from early raytheon and tung sol blackplate to the last mullard production to a few of the newest 12ax7 of which chinese is getting better. Lightly used, test as new, old stock tubes. 00 $ 138. Mullard 12AX7 / ECC83 - Price of NOS 12AX7s got you down? This new re-issue of the famous Mullard 12AX7 made in Russia is the answer to your woes! Very low noise and microphony make this tube an excellent candidate for many touchy preamps and phonostage applications. $138. Made in Russia. 12AX7-EH ElectroHarmonix Tube Electro-Harmonix 12AX7-EH Forget about Telefunken. Your Review. Re: Anyone Tried Telefunken Tubes In A Marshall? raytheon 12ax7 is another excellent guitar amp tube. EI purchased all the factory tooling from Telefunken and basically made an exact copy of the famous Telefunken smooth plate 12AX7 using original Telefunken machinery. 12ax7a Mazda. Thanks _____ Telefunken Ecc83- 12ax7 as new pairs excellent quality tested tubes The most musical sounding of all the vintage valves are telefunkens made in western germany in the 1960's. An excellent Telefunken 12ax7. 12AX7/ECC83 Telefunken Diamond Bottom Smooth Plates used/tested: (the smooth plate 12AX7 has a more balanced sound than a rib plate and great upper midrange with good high-end detail and extension) TO BUY 12AX7 Telefunken smooth plates Sonic Comments in Aesthetix Calypso: ----- Tubes work just fine!!!! 12AU7=ECC82 Telefunken Germany Smooth Plates (excellent and recommended - slightly warmer sound than ribbed plates) - Ray Samuels The Emmeline II, “B-52” fully balanced Headphone amplifier and full functioning preamplifier - VTL 6. Please Note: Telefunken Black Diamond tubes are sold singly. 12AX7 is a high gain tube often used in the first stages of tube amps. The problem is I do not have all the related document in these tubes. TELEFUNKEN 12AX7 Buy your JJ Tubes 12AX7/ECC83 Preamp Tube from Sam Ash and receive the guaranteed lowest price. They are done on original Telefunken tooling machines in EI tube plant in Nis, Serbia. Which Telefunken 12ax7 I'd like to hear from members who are familiar with NOS Telefunken 12ax7s from the 1950&60s. 00: 12AX7. I just purchased a quad of NOS telefunken smoothplate 12AX7's from brent jesse. 12ax7a ITT Lorenz. It's high gain makes it popular in guitar amps, though it's also widely used in HiFi amps, especially in phono stages. OK; the Telefunken 12AX7 is a good tube. The Telefunken sound is warmer and fuller than the Tung-Sol tubes. These Gold Lion 12AX7 re-issues sound incredible: A full, glorious midrange with great texture and liquid detail, extended yet controlled highs, tight bass. Telefunken 12AX7 are a good sounding tube. See our Best 12AX7 Review for more information. These tubes feature grey plates with a halo getter. The difference is subtle, but absolute to the discerning ear. 00+ and the all time benchmark of tonal neutrality and 12AX7/ECC83 Telefunken 1950's - 1960's Super-Line 31 $138. Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. >>>>Having;tube1) 40/40 usiemens & 4. The Tung Sol 12AX7 is warm and big musically. NICE VINTAGE QUAD of very strong early 1960s era Telefunken 12Ax7 (see beautiful photos of glass - exhibit E) 17mm (TALL) RIBBED ECC83 tubes. 002: Amperex 12AX7/ECC83 Bugle Boy Number one choice for guitar amps where lower gain and smoother tone is required. The NOS Telefunken Long Plate 12AX7 (Ribbed Plate) <> Bottom are $224. It was developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522. Electro-Harmonix 12AX7 EHG Vacuum Tube Gold Pins Forget about Telefunken. Telefunken ECC83 smooth plate £139 Siemens ECC83 long plate pair £95 RCA 12AX7 (long plate) pair £85 Mazda 12AX7 ECC83 chrome/silver plate MATCHED pair £125 delivered Tung Sol 12AX7 1950's 'D' getter long plate £80 Tung Sol 5751 long plate 'D" getters £80 pair delivered GE 5751 3 mica £69 Mullard ECC82 (4 pairs available) £45 12AX7 - ECC83 B9A indirectly heated twin triode is one of the most popular pre amp valves around. Twice tested; ***** 1) Transconductance,plate current,no gas & no shorts, 2) Live audio tested no hum, very low noise and non-microphonic using Modified Dyna Pas ll and Tube OTL. Very transparent with sweet sounding highs that are never harsh like some of the current tubes. Just wondering what the difference between smooth plates and ribbed plates is. These are all originals from the late 1950's thru only the early 1960s -- production during this era is quite legendary; as it was Telefunken's peak of quality. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. Boxes are standard Telefunken blue, white and orange printed ECC801S. Below is a short before-and-after audio file. I have seen some 12AX7 tubes rated for up to 10,000 hours. The 12AT7 is found in many high fidelity applications, as each triode section in normal use operates as a class A amplifier. These are all originals from the early 1960's - featuring genuine diamond bottoms, and cross seam tops - production during this era is quite legendary; as it was Telefunken's peak of quality. Watch for the following brands: Mullard, RCA, Telefunken, GE, Brimar, and many more. The standard Mullard 12AX7 short plate (not the 10M series) always have been too syrupy sounding in the tube amps I owned. Telefunken was a German radio and television apparatus company, founded in Berlin in 1903, as a joint venture of Siemens & Halske and the Allgemeine Elektricitäts-Gesellschaft (AEG) (General electricity company In terms of audio popularity, the 12AX7 is probably second only to the ubiquitous 6922. From stompboxes and guitar amps to compressors and microphones, 12AX7 tubes are widely used for their even-order harmonic distortion and full frequency ra The 12AX7 is also known as the ECC83, which was the European designation found on tubes from Phillips / Mullard. Enjoy our 45-day return policy. Most of the Telefunken datasheets are placed here thanks to and with permission of Thorsten Kliefoth. "Telefunken 12AX7 ribbed plates - a typical soft, unfocused 12AX7 sound with big, soft, images allied with a bright bass shy character. 3 were 12ax7's and 2 were 12au7's but 2 of the 12ax7's tested "weak" so I'm on the prowl for replacements. This is the European take on the 12AX7, done right. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. 3/4. com for my Primaluna Luna Dialogue 2 which I have now sold. The 5 "mystery" tubes that came with the Mc 30's I bought turned out to be Telefunken's. Telefunken ECC803S (E83CC) In my opinion these are simply the best. 99 each. These tubes come from bulk packaging so they do not include individual boxes. This website info comes from the foremost knowldegable person there is on tubes & thier history. there are several variations in mullard 12ax7--long plate--short plate and box plate all are different and even the same design will vary batch to batch. 00. The TESLA (NOT JJ) E83CC frame grid tubes are the BEST you can buy, when you do not want to spend. So I've had some similar experience - a cleaner amp seems to like the Teles, and the Marshall digs the Mullards. Because of the high gain, 12AX7 in V1 has a lot of effect on sonics. This 1960s Telefunken ECC83 / 12AX7 has smooth gray plates and a diamond imprint on the base. 【ジャンク】真空管 12AX7/ECC83 松下 6550 (KT88) Shu Guang vs Telefunken vs Vintage JAN Tung Sol Vacuum Tubes in Dynaco Mark III - Duration: 14:31. 5 preamp - Concert Fidelity CF-080LS Hybrid Line Stage Preamplifier (Japan) - JJ243 preamp (2007 model) TO BUY The quality of current production 12AX7's is getting better and better. USA registered shipping is 20$, worlwide unregistered is 20$. ECC83/12AX7/7025 Guitar amp Test reports –Feb 2012 1 Watford Valves – Test Reports INTRODUCTION Object of the test To evaluate the sound quality and reliability of the new batch of ECC83/12AX7 types that have come available since our last test reports in 2002. I think they are probably the best tube from the lower mid-range up. Recent NOS collection purchase yields 7 beautiful gray or silver plates labeled Ei and Groove Tubes. Real Teles are awesome. We have a huge supply of in stock and will be listing them almost every day so please check our inventory frequently. jpg From Wikimedia Commons, the free media repository Jump to navigation Jump to search Be the first to review “ECC83 12AX7 Telefunken diamond bottom Amplitrex AT1000 #1671001” Cancel reply. For sale a single Telefunken ECC83 12ax7 preamp tube Being a true Telefunken it has 17mm Long Plates Diamond mark between the pins Tested on my Stark 9-66 Mutual Conductance tester no shorts or gas detected A min good read is 790 and a new tube reading is 1250 This tube tested 1100-1000 So strong testing and well balanced EMT or cash no paypal Just recently bought NOS/NIB Telefunken Smooth plate and after some tube rolling I am sure that TELEFUNKENs are the best in the world, period. vacuum tubes amplifier preamplifier amp preamp guitar amp valve pentode triode tetrode cca cryo cryogenics Brimar Electro Harmonix Genalex Gold Lion Groove Tube The famous Telefunken ECC82 and ECC83 (12AU7, 12AX7) were introduced in mid 1940’s, there was a date code with two lower-case letters to show the production date, but now most tubes wiped off, the only permanent symbol is the “<>” mark at the glass bottom, the top sound quality led to big demand from market and worldwide recognition. These have been some medical grade tubes such as the mullard 10M series. 75 PAIR (TWO) Factory Matched and Balanced Telefunken Elektroakustic E88CC 6922 Black Diamond Tubes Where the Telefunken smooth-plate excels, in my experience, is a certain band of high-mids that no other 12AX7 type hits without also having piercing treble. These remove harshness in some guitar amps. Next I reinstalled the Telefunken RI EL34 power tubes and the GE 12AX7 preamp tubes – I heard a bigger difference with this combination. ECC83 Vacuum Tubes at Europe's largest retailer of musical instruments - fast delivery, 30-Day Money-Back Guarantee and 3-year Thomann warranty Tung-Sol 12AX7. on my HICKOK 536 where 950/950 is NOS. 00: Telefunken 12AX7 Low Noise [CALL OR EMAIL FOR AVAILABILITY] $120. This is true in some cases but not in all cases. Most audio pre-amps use a 12AX7 tube. I am thinking of replacing the 69K5 tubes of my Conrad Johnson Premier 14 Pre-Amplifier to 12AX7 tubes. All spiral filaments. OK, if the Telefunken and Tungsram are too warm, there maybe something in the setup of the amp, that simple tube rolling won't help. Telefunken Ecc83- 12ax7 as new pairs excellent quality tested tubes The most musical sounding of all the vintage valves are telefunkens made in western germany in the 1960's. TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. jpg From Wikimedia Commons, the free media repository Jump to navigation Jump to search >>>>Platinum Matched Pair Telefunken 12AX7,triode-triode & tube-tube,Smooth plate,tubes will be supplied in Telefunken box,Made in W. Don't have experience with the 5751 so cant comment on those. We also offer high quality and hard to find parts for DIY tube amplifier projects. Most of the 1963 and 1964 RCA datasheets are placed here thanks to and with permission of Peter Millet. Very hard to find, this tube is Vintage and Extra Rare! The ECC803S is a very low noise, special quality 12AX7, made with the old-style Telefunken German precision. I've found another sonic aspect of 12AX7 performance to be very important: harmonic content. V1 (usually the preamp tube closest to the input jack) has the largest impact on your tone and gain but has less impact on your output distortion touch For tube buyers who have tried out some Telefunken 12ax7's & wondered why they didn't sound that good, probably because they are not real Telefunkens. I have issues with it, though. From stompboxes and guitar amps to compressors and microphones, 12AX7 tubes are widely used for their even-order harmonic distortion and full frequency ra 0 results found for telefunken 12ax7 Save telefunken 12ax7 to get e-mail alerts and updates on your eBay Feed. These tubes were modeled after the famed Telefunken 12AX7 tubes. ECC83 tubes manufactured by Mullard, Telefunken, Amperex and Siemens are sought after. By Mullard. I find the Telefunken 12ax7's to be a great tube in some applications and lacking in others. NICE VINTAGE QUAD of gently used very strong early 1960s era Telefunken 12Ax7 (see beautiful photos of glass - exhibit E) 17mm (TALL) SMOOTH ECC83 tubes. these tubes tested at 1500/1500 Long story short, I picked up the following 12ax7's/ ecc83's: 2 Mullard (unfortunately one turned out to have a short), 1 Amperex Bugle Boy, a Brimar, an unknown and 3 mismarked boxes that were supposed to be Ameperex 12ax7's but contained 6j6's of various makes. I So, what do you guys think? I got an amplifier that had 3 of the 5751 installed in the three 12AX7 sockets. Find great deals on eBay for telefunken 12ax7. 00 Audio Classic's buys and sells the finest in home audio/video equipment How to Spot Super Rare 12AX7 Vacuum Tubes part I This short video briefly touches on some of the most famous and sought after 12AX7 NOS vintage tubes. TELEFUNKEN Elektroakustik M60 FET MASTER STEREO SET | 2 TK60 Cardioid 2 TK61 Omni 2 MULLARD TRIO (THREE) 12AX7 ECC83 Long Plate Preamp Tubes $ 51. 12ax7 Leeds & Northrup. TELEFUNKEN 12AX7 | Ecc83 Preamp Tube | The Fisher Branded | Testing Nos - $39. 12AX7 COMPARISONS ~ Best and Worst . Telefunken ECC83(European designation for 12AX7) A fantastic sounding tube with low noise. Tube type and description: Price each: 12AX7. Find many great new & used options and get the best deals for telefunken ecc83 12ax7 at the best online prices at eBay! Free shipping for many products! Telefunken Elektroakustik TELEFUNKEN Elektroakustik strives for absolute perfection. They do not have diamond bottom, but we believe the manufacture may have been subcontracted to General Electric or others in USA in the 1970' or 1980's. 5751, Mu = 70 Basically, the standard 12AX7 spec that applies to 12AX7 / ECC83 / 7025 tubes, has a reference of 1. Related: telefunken ecc83 12ax7 mullard telefunken 12ax7 pair telefunken 12ax7 smooth plate telefunken 12au7 telefunken 12ax7 nos 12ax7 telefunken ribbed telefunken 12ax7 ecc83 telefunken 12ax7 smooth rca 12ax7 black plate 12ax7 baldwin 12at7 telefunken What are the features of a Telefunken 12ax7 tube? The 12AC7 vacuum tube is a high-gain tube that produces low noise. Many consider the Telefunken ECC803S as the "best" 12AX7 replacement, but a grand for a tube is a bit much for most. 1 year warranty on work I performed if purchased as is buyer pays shipping costs for repair of work performed. The Mullard 12AX7 long plate are completely different sounding vs the Mullard 12AX7 short plate. Telefunken 12AX7 Standard Grade [CALL OR EMAIL FOR AVAILABILITY] $90. telefunken 12ax7

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