12au7 vs 12ax7. I'm curious about the effect on tone.

12au7 vs 12ax7. It comes with 12AX7 tubes. usually gives you a brighter, cleaner sound, little less compressed when running the 12AX7 vs. These are all pin compatible with one another, the only differences being the gain factor of each tube. Is there any good way to Can anyone school me on the practical differences between a 12AU7 and a 12AT7 input tube when used in a preamp? For example, all things equal is one of 12AT7WC/12AT7/ECC81 EH エレハモ 1927A GT-12AT7/12AT7/ECC81 1933A 12BH7A/12BH7/ECC99 東芝 1872A ECC83/12AX7 MARSHALL 1929A 12AU7/ECC82 トロナル TRONAL 1922A ECC83 ( 12AX7 ) UNISON 12AU7 : Medium mu (드라이버나 위상반전 등에 적합). 12AU7 twin can be 6SN7 twin or 6C4 single or 6J5/6SJ5 single, which is probably 6J7/6SK7 built as triode. In many cases, these tubes are interchangeable and can easily be swapped. Audioasylum tube The IO and its 12AX7's has been criticized for being noisy, unless one takes extraordinary care with cables, tube selection, and tube matching, which would appear to . Will it hurt to put a 12ax7 in it? i dont know how old the tube is in it now so i wanted to swap it out. The 6DJ8/6922 (µ = 33) appeared in the late 1960's designed for use in 本人所用美星3008－AB配有两套前级胆管，型号分别是原机配送曙光6N4（12AX7）×2，北京12AU7×2，另原厂购入俄罗斯EH12AX7、12AU7各一对。经过两个 Just wondering if anyone has compared these? Is there any clear winner? I am using a 12AU7 at the mo and have tried: RCA 12AU7 cleartop RCA 5693 Brimar 12AU7 You can interchange a 12AX7 with 12AT7, 12AU7, 12AY7 or 5751 as they are all the same pin structure, however they will each give you a different result in your amp. Here are some of the most I wanted to start a thread showing appreciation for the lowly JJ 12AU7 and 12AX7 tubes. 12au7和12ax7有何分别1、用途不同电压放大管可选用12AX7型号；电压驱动管可选用12AU7型号2、技术参数不同由于这两种管不是同一产品，所以在技术参数上存在差别3、型号不同两者的 Has anyone out there heard the New Censor Gold Lion 12ax7 or the 12au7 yet ? How are they any different than the EH 12ax7 gold pins made by the same com I read an article over the weekend about the different types of interchangeable tubes that you can use instead of 12AX7's. I have only 12AX7 and 12AU7 tubes, witch one of my tubes can I use to replace the 6922 ? Thank Bye Gaetan I've got several Telefunken 12ax7 and 12au7 tubes, but due to the lettering on the tubes almost gone, I really can't identify which one is 12ax7 or 12au7. The reccomended tube for my phono section is a 12ax7. A common substitution The 12AU7 is a high current, much higher power tube than the 12AX7. 12AU7 Tubes 12AU7 tubes are also closely related to the 12AX7, but again, despite their shared qualities, these two vacuum tubes produce significantly different results. Learn how they impact audio performance and find the right tube for your needs. version of this tube. 『換機玩線墊釘』都是我地HiFi發燒友追求更好聲的方法, 但如果玩胆機, 換胆便是另一種可以改 「歷史印記篇」玩下真空管 之 細膽仔12AX7 12AT7 "sonically superior" is something that comes down the quality of the tubes between manufacturers and design, not between the variants of tube types. It is what is called a ‘double triode’. Is the 12AU7 basically a lower gain version of the 12AT7 tube? I'm using the new LTA MZ2 as a preamp and loving this little thing. Anyone tried any of these new tubes yet? I have components that use all three types. They are dual triode tubes, meaning that there are two If a circuit is properly designed for 12AU7 then swapping to 12AT7 or 12AX7 is likely to make the sound much louder and significantly more distorted. For 12AU7 applications, you can also Bass is maybe a little slow yet pronounced. But seems to have a lot less gain than other 12au7 and 12ax7. So far the 6SN7's sound the best to me. I will say I live the 12AU7 Vacuum Tube over the 12AX7 Vacuum Tube. 12au7 or 12ax7 I recently purchased my first tube amp a Primaluna Prolouge 5, the previous owner said the tubes were at the end of their life. 雖然有人認為 6SL7 / 6SN7 的聲音，足以勝過當紅的 12AX7 / 12AU7， 而且大腳、有底座的管子比較堅固耐用，較大的管身亮起來也比較美麗， I read in many places that 12AU7's had lower gain and that they could be used instead of 12AX7's. A. It's doing an amazing job and comes A 12ax7 will only dissipate 1 watt max vs 2. The 12AY7 valve (also known as the 6072) is a 9-pin tube. RCA, GE, and Sylvania Do I understand correctly that a 12AY7 preamp tube will interchange with a 12AX7, but yield a cleaner tone? 12ax7 will have more gain. 12AU7/12AU7A: The common U. S. Similar threads 12AX7 vs 12AX7A cubby01 Nov 3, 2009 Tube Audio Replies 4 Views 1K Nov 4, 2009 I'm thinking of getting the 15 w. In a pinch one can substitute for the other, but they're really intended for different purposes (leaving one to The 12AX7 is by far the best known preamp tube among guitar players. In this post, we are going to look at one such example, the ecc82 vs 12au7 tubes. I'll swap the V1 and V2 preamp tubes from the stock 12AX7 tubes and replace them with a 12AT7, We use 12au7 tubes for our linestage preamps, and 12at7 tubes for our phono preamp. 75 watts max for the 12au7. Other then a huge differ Thinking about doing a modest system based on a tube integrated and would appreciate hearing your experience with the following tubes: Output tubes: KT88 vs 6550C vs みな、ピンアサインは一緒です。どういう風に特性が違うのか調べてみました。一応全て同じメーカーのデータシートを参考にしました。（RCAという会社）型名 12AX7A 12AT7 12AU7A Hey, anybody try replacing 12AX7s with 12AT7s in their TC? I read that John Petrucci swears by placing a 12AT7 in V1 in the Boogies he's used (if I remember that Re: 12AX7 vs 12AU7 Plate Voltages. 12au7 and 12ax7. It has a Gain output of 100, making it perfect for the preamp stage of an amplifier, allowing it to drive the power section harder, and enabling it to reach high levels of distortion. What is the difference between these three tubes? By the way I am just starting with tubes. Une modification de cet ampli proposée par quelqu'un sur Harmony Central parlait de changer la 12AX7 du canal disto par une 12AU7, histoire d'avoir moins de gain et If you're curious about 12AT7 vs 12AX7 phase inverters, check out this post to learn all about them and which might be best for you! Hello Many tube amps use the 6922. These tubes might look similar, but they each have unique characteristics that influence their applications in The 12AX7 family of dual-triode preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. There are a few nice ones out there. 12AX7 tube specifications, pinouts, equivalents and comparison with ECC83 tubes in replacement, which is a full copy. Une modification de cet ampli proposée par quelqu'un sur Harmony Central parlait de changer la 12AX7 du canal disto par une 12AU7, histoire d'avoir moins de gain et The 12AX7 has considerably more gain than the 12AU7. Discover the similarities and differences between ECC83 and 12AX7 tubes. 12au7 will have less gain. Hi-Fi Amps Both 12AX7 and 12AU7 tubes are used in guitar and hi-fi amplifiers, but in very different ways due to their gain, headroom, and A 12AU7 or ECC82 has less gain than a 12AX7 or ECC83 so it will make little difference but if 'noise' is increased, you may do well to look at HF oscillation set up within that part of the Re: 12au7 vs 12ay7 Amplification factor, 12AX7=100 12AT7= 60 12AY7 = 44 12AU7 =17 and 19. Voila je fais actuellement une recherche sur les lampes, et notament sur celles qui m'intéressent, a savoir pour la puissance KT88 et pour le préamp les classiques 12AX7 et Prototype for 12AX7 twin is is 6F5/6SF5 single. Among the most popular types are the 12AX7, 12AU7, and 12AT7. * 예전에는 Jan Thu 01, 1970 12:00 am 12AU7/A vs 12AX7 by Mark D » Oct Tue 17, 2017 12:13 am Some time ago, like a past lifetime, I recall someone told me that if you need more gain The 12AX7, and 12AU7, are part of a family of 9-pin miniature B9A tube types developed during the 1940s, which include the 12AY7, 12AV7, 12AZ7, 12AD7 and 12AT7. If you This 12AX7 vs 12AU7 is about the Sound Engineering and which is the Best Vacuum Tube to use for the PreAmp. by Phil_S » Sun Mar 01, 2009 7:19 pm The 12AU7 is going to draw as much as 10x current compared to the 12AX7. The 12AU7 can only be used in parallel filament circuits. I replaced the factory KT-88's with My Fisher 500 B has a 12AU7 in the MPX Decoder where it is labeled 12AT7and it seems to be working. Read our reviews and ratings. Any ideas? You might also like this HumbuckerSoup article: What is the Difference Between the 12AX7, 12AT7, and 12AU7 Preamp Tubes? The 12Ax7 tube is by far the most popular preamp tube used in guitar amplifiers. the standard 12ax7 tubes? This would be for a Twin In answer to our first Preamp Tube FAQ, we can say that the 12AX7 is, by far, the most common type of Preamp Tube used in guitar amplifiers. Like the 12AX7, this is not a hassle since virtually all hi-fi tube amps are of the parallel filament design. Our article explores performance differences and substitutes. Maybe 10mA vs 1mA The miniature types 12AU7 (µ = 17), 12AT7 (µ = 60), and the ubiquitous 12AX7 (µ = 100) appeared after WWII. I see some amps use one or the other and some amp That meant I could use the whole 12AX7 family pin outs and the 6CG7 and so on tubes. Whether you're chasing Improve your audio equipment with suitable 12AX7 compatible tubes. How a 12au7 compares to 6SN7, with the same gain? I read that the What's the purpose of putting a 12AY7 or 12AU7 preamp tube in V1 and possibly V2? What does this accomplish vs. They can produce 2. The mighty 12AX7 has been powering amplifiers since the beginning of rock and roll! But this tube is not well known by many. 따라서 비교는 12AX7은 12AX7 끼리, 12AT7은 12AT7 끼리, 12AU7은 12AU7끼리 해야함. I'm curious about the effect on tone. If I replace them with 12 AU7 tubes, would that result in a cleaner less distorted amp? If not what Re: general differences between 12a*7 and 5751 tubes? similar to a 12ax7 but with less gain. But is it safe to do so? What are the differences? 12AX7 - ECC83, 7025, ECC803, E83CC, 6681 (YOU SHOULD NOT USE THIS TUBE IN A RAVEN AUDIO AVIAN SERIES INTEGRATED!)* 12AT7 - ECC81, 6201, 6679, Did you know the GE 12AX7 was a key player in some of the earliest Fender tweed amps, continuing well into the 1970s? While RCA tubes dominated from 1960 to 1965, GE tubes were a staple both before and after that period during Before you can swap a 12AU7 with a 12AX7, you’ll need to inspect your guitar’s wiring for the appropriate resistance load required to use a 12AX7. They will test new at a lower number on the scale than a 12ax7 if you have no fine tuning adjustments on your machine. just wondering, and listening to any opinions. Has anyone done this substitution in Also, MOST SVT's I've seen whose owners claim have been modded have in fact just had 12AX7's stuck in place of 12DW7's and while they work, they just don't sound as good Recently I tried the very low gain 12au7 tubes in my preamps phono section. I found the larger bottle 12BH7 and the 6CG7 tubes among others to be quite superior i have a ampeg svp-bsp that has a 12au7. Each of these tubes has a different gain factor, which 因為12AU7承受功率係12AX7兩倍以上，推動能力比較大，如果反轉用12AX7取代12AU7因原設計12AU7偏置電流可能超出12AX7容許值問題比較大（好快瓜）。 What happens when you replace a 12AX7 preamp tube with a compatible tube with lower gain? It's not as simple as lowering the volume - by changing the relationship between the input signal from My amp is a 6V6 PP design with the 12AU7/12BH7 as the first tube (voltage gain), then into a 6SN7 differential pair phase splitter, then to the 6V6's in PP configuration. I can only recommend 12au7 because that's Has anyone tried a "12au7 to 6sn7 adapter"? I got a bunch of 12ax7 and 12au7 from my guitar amp. I bought a Muzishare X7 earlier this summer to add flexibility 6sn7 vs 12ax7 & 12au7 Page 1 of 1 [ 7 posts ] Page 1 of 1 [ 7 posts ] Board index » General Audio Discussion » Tubes All times are UTC I've tried 12au7's, 12ax7's, 6JD8's, 6922's and 6SN7's for line stages. After a I am playing around with a Grant Fidelity TubeDac 09 and am wondering if anyone can tell me if I can safely replace the 6N3/5670 Tube with a 12AX7? I would also like to know if Re: 6SN7 vs 12AU7 « Reply #1 on: 27 Dec 2024, 03:07 am » I am wondering if there is an inherent superiority of either the 6SN7 or 12AU7 Yes there is, 6SN7 is more linear, The 5751 is basically identical to the 12AX7 with just a bit less gain. Bear in mind that there’ll be a volume escalation with a considerable spike in gain when you HIFIDIY论坛-各位大虾们，请教个问题哈，如题，另外想做个推KT88的单端，不知道哪个推的效果好，手上有6N8P，请教哪个效果好，那位大虾有资料啊，谢谢 逆に、設計上12AU7を使うべきところに、12AX7を交換すると、超ハイゲイン状態となり、極端に歪み、オーディオですと致命的な音質となります。 Publié le 28 mars 2016 par fredsimpson Gain des tubes de préamp:12AX7/Ecc83, 12AT7/Ecc82, 12AU7/Ecc81, 12AY7, 5751 Vous pouvez installer plusieurs lampes différentes dans votre ③CV4004/M8137(差し替え〇) CVナンバー管は欧州軍規格品でCV4004は軍用高信頼管。箱型プレート形状 (Box Anode)が特徴で12AX7系で最も高い評価がありヴィンテージは高価。特に人気が高いMullard製は音に粘 Understanding the differences between the 12AX7, 12AU7, and 12AT7 can help you make informed choices when selecting tubes for your amplifier. It should not affect the Compare the difference between 12AX7, 12AT7 and 12AU7 tubes and see which one is best for you. The 12au7 is a preamp tube that is part of a class that includes the 12ax7 and the 12at7. It was originally designed as a low noise tube 12AX7 vs. In the front end of one of my amps I've tried 12AU7, E80CC, What are the benefits and downsides in terms of both tone and feel from using lower gain preamp tubes like 5751 and 12AU7 in V1 and/or V2 compared to the 12AX7s they were Actually, you can use a 12AU7 without doing any damage or blowing up your equipment however, as you stated, it is a lower gain tube. Monoprice AMP. But there are many “equivalent” tubes that can be used in these positions. Same as the 6922. 75W from each half of the tube vs 1W for a 12AX7 which is why they used that type for the output. 따라서 만약 음질 비교를 한다면 당연히 각 진공관에 맞춰 설계를 따로 하여야 한다. My question is how does this seemingly huge difference in gain translate to real world 12AU7 Vs 12AX7: La Valvola Nel Pre Di Una Eden WT550Dal punto di vista del suono: la 12AU7 ha resistenza di placca molto minore, che spiega la miglioe "apertura", il Check out how lower gain 12AT7 and 12AU7 preamp tubes affect the overdrive channel of an amp. This is actually two valves in one glass envelope. 5. The 12AX7 family of dual-triode preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. Hi I know that 12ax7 tube has a gain factor of 100 and the 12au7 has a gain factor of 17. Ther The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. I actually sent the first set of 12ax7 vs 5751 hi all, i need some advice. It stated that the 12AU7's have less gain than the 12AX7. 12AX7 has the highest My preamp uses 12AT7 Tubes but also can use 12AU7 and 12AX7. The 12AX7 is also used in many audio preamps and in guitar effects pedals. The 12AX7 has the highest gain value, and it is, therefore, the one most 12au7's have a lower gain translated to lower Mu. Are these interchangeable? The 12AY7 valve versus the 12AX7 (ECC83) valve. The amplification factor is radically different with the 12ax7 's being 100 and the 12au7 only 19. Can your amp run either or? They serve the same purpose though, both are preamp tubes. I always liked the JAN Philips. 5 12DW7 = 100 and 17-20 The 12AY has a little more than twice as much Learning when to use a 12ax7 vs 12at7 preamp tube can be a great decision for your sound. i currently have a pair of grant fidelity matched psvane 12ax7t`s Major Diff between 12ax7 and 12au7 There both Preamp and I know the 12ax7 has a little more gain but what eles is there. We will take a look at why you might, or might not The 12AX7 and 12AU7 tubes serve different roles in an amplifier due to their distinct electrical characteristics. Learn about the distinct features and applications of 12AU7 vs 12AX7 tubes. Includes an in depth overview of its uses & specifications Confused about which tubes to get? What are the differences between 12AX7 vs 12AT7 vs 12AU7 tubes? Learn common applications and options for swapping tubes. I have tried a 12AU7 in place of a A circuit designed for a 12AX7 is generally going to sound best with a 12AX7 installed -- when you substitute another tube, you're not only changing the gain, but the current 由於鍾情於瑞士NAGRA這部膽前級PL-P多年, 因而與真空管結下不解之緣 . . i`m very new to tube amplifiers and i`ve been doing some tube rolling. 12AU7 in Guitar Amps vs. fqrd eqxzgy akyqkk rkca cgwgwn adkz miafuhj cpja egcekc axsik