3. Feb 28, 2018 - A comparison of some of the most popular 12AX7s currently being produced. The 12AT7 type has 10 times the anode current of a 12AX7 and so the voltage drop across the anode resistors is 10 times more resulting in the 12AT7 being starved of volts. Best current production 12AX7 ; High gain preamp tube ; High gain preamp tube Best current production 12ax7 5. 37,398. A free bass amp VST can make a huge difference, and … 11 Best Free Bass Amp VST Plugins 2022 – Create Heavy Basslines … Tone: smooth with an enhanced lows and a clear top end, very open and musical . They are hard to find and when they are available, they are expensive. The most popular are: Cifte 12AU7 â This is a tube made back in 1962 in France. Wasn't expecting that at all. Best current production 12ax7. It's best utilized as a phase inverter or reverb driver. These were used in Marshall and Mesa amps during that time, they are chinese military tubes, designation 6N4 or 6N4J originally then Marshall and Mesa put their own stamp. And you can get some decent results that way, but it can sound a little lifeless. I really like the psvane 12ax7's in my phono stages. Free shipping on orders $105 and over. If you need a little more detail, the Raytheon 5751 windmill getter is also great but not as smooth sounding as the Mullard 12AX7 long plates. Ideally, every 12AX7 should yield the same gain when placed in the same circuit. For current in production 12AX7 type my favorite so far is the Sovtek 12AX7LPS - only for the "LPS" not the rest from their product line. However, in reality there are comparative gain differences among 12AX7s. By leadfootdriver, October 4, 2005 in Amps. The Tungsol seems to clean up a bit better when you roll back the volume on your guitar, plus it goes a lot hotter than the Ruby when hit with a boost in front, it's more sensitive. The discussion of preamp tubes is often dominated by the much more popular 12AX7/ECC83 variants, but the disparity between various 12AY7s seems even more drastic. All three of these tubes is virtually identical. JJ makes a decent 12AX7 (ECC83S) but I have moved away from JJ ECC81 for PI circuits from now on. ... this tube tends to be too microphonic to be useful as a preamp tube. $54.99. Although vacuum tubes are industrial products, they are not cookie-cutting universal exactly the same when rolling off the production line. These are Chinese premium hand selected current production gold pin 12AX7 tubes, nicely matched. KT66 from Groove Tubes (KT66HP) is definitely the best one going by a wide margin. We have them value priced for each hand matched pair, perfect if your budget does not cover NOS tubes but you want a decent sounding 12AX7!. The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 12AX7 for their needs. They were new, and they cost less than the NOS Teles I had been listening to. Buy them from a reputable dealer who screens tubes; there's been a few production issues that screeners seem to weed out. They are mostly JJ, Tesla,and Sovtek. One of the best new current production 12AX7 pre-amp tubes available today. Sovtek 12AX7WAs. Rod ~ World Tube Company Mullard The Mullard 12AX7 / ECC83 is a Very Smooth Sounding tube. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of ⦠SUCA-AUDIO Tube-T1 Preamplifier, Vacuum Tube Amplifier Buffer Mini Hi-Fi Stereo Preamp with Treble & Bass Tone Control for Home Audio Player (6K4 Tubes) NOTE - This is a preamplifier but NOT a power amplifier or a phono preamp, CAN'T be used for turntables or passive speakers. 3 Buy Now. However, in reality there are comparative gain differences among 12AX7s. What are the best current production EL34s and 12AX7s out there? Their construction/build quality makes them very rugged and reliable. One of the best modern 12AT7s on the market, the official model number is 12AT7WA / 6201 which is the military designation for the 12AT7. they are closest sonically to my favourite tubes, the EI's, which are long out of production. Any help would be appreciated. The 12AX7 is a 9-pin miniature, high-mu, twin triode. They are fabulous if you are looking for a greater sense of space. I find they work best as a PI, but they can really darken up your amp. 12AU7: Whatâs cool about 12AU7 tubes is there are plenty of current production examples from Mullard, Gold Lion, and Tung-sol, but in addition there are a large number of vintage NOS tubes that are not expensive. What follows is a reproduction of Matt Lacheskyâs (Lachesky Amplifiers) excellent post on Marshall Amplifiers discussion forum in August 2011 describing his in-depth comparison of the physical characteristics or the Russian âNew Sensorâ reissue 12AX7 (ECC83) with the original Mullard ECC83 manufactured in Great Britain.During their history Mullard produced several ⦠Among the current production 12AX7, the Sovtek 12AX7LPS and the Ei Elite 12AX7 is the best. These work GREAT in some gear, but it really depends on the circuit design. This one is the winner for current production tubes and beats most NOS options! A Comparison of Current Production 12AX7 Tubes RCA and Sylvania first introduced the 12AX7 to the world in the late 1940's. Tung-Sol 12AX7 Reissue: One of my favorites for V1. Genalex Gold Lion 12AU7 / ECC82, Matched Pair (2 tubes) $98.94. Apr 20, 2018. They draw more current than a 12AX7 as well as having different internal capacitance between elements and a different plate dissipation. The audio boys may look for a brighter top but this is the best sounding current production ECC83/12AX7 for rock guitar around.The Sovtek valves are certainly low on microphonics. It is a fabulous preamp tube great for guitar and Hi-Fi amps. What makes these tubes so special is they are the first real deal Frame Grid 12ax7 made is decades. You will end end up with a rotten sounding amp unless by chance it happens to work and even then it will sound much worse than fitting a 5751. These tubes are some of the best sounding tubes you can get. Tung Sol RI 12ax7/ECC83 is big and bold- A little tubby on the low mids, a little grainy on the highs. They looked great. ... this tube tends to be too microphonic to be useful as a preamp tube. ECC83, 7025, CV4004 are the same tube as 12AX7. In Stock. But, the tube is deceptive due to it is a Sovtek 12AX7LPS that sells for $12. I was checking ebay for some Mullards or Telefunkens. This is why they are used by more o.e.m than any other valve. Re: A COMPARISON OF CURRENT PRODUCTION 12AX7 TUBES ®2013 Today I rolled Ruby 12AX7AC7 HG and Tungsol 12AX7s in the V1 of my Tweaker. 12AX7 Basics #44. marcus262":2crlblnt said: Not many people know this but you can buy chinese 12ax7 from the 80's 90's cheap on ebay for 12$ a piece including shipping. 2016 update. And The Award For The World's Crappiest 12AX7/ECC83s Goes To: 12-14-2021, 10:07 AM. Take A Sneak Peak At The Movies Coming Out This Week (8/12) Why Your New Year’s Resolution Should Be To Go To The Movies More; Minneapolis-St. Paul Movie Theaters: A Complete Guide Also included in this comparison are direct substitutes for the 12AX7 including: ECC83, ECC803, 7025 and 5751. 12AX7 Basics. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940âs. Apr 17, 2020. Dave A's new tweeters with the B&C drivers have been a game changer in my speakers. Ships from and sold by VIVA TUBES. Only 1 left in stock - order soon. Genalex Gold Lion ECC83/B749 is the ultimate in current production 12AX7. 12AX7: Since this is the most common tube in guitar amps, a wide variety of brands (including some resurrected old brands) are available to choose from. Frequency Response: curve. The WB and LPS are the best for guitar. 5 out of 5. report this; There are brilliant in hybrid amplifiers, and made all the difference in my Micro Dark and Vox VT40+ In the early 2k's, I bought 3 each of the current manufactured 12AX7/ECC83s for tone testing in my Plexi. IMHO the Genalex 12AX7 are by far the best current production tubes. Tesla (JJ) ECC83-S / 12AX7 [Short Plate] ââ¬â To me was the best current one until shuguang improved their game. The current production Svetlana is a New Sensor product and is a member of 12AX7-EH and Tung-Sol 12AX7 family. Call now, 516-314-0357. I also like the Gold Lion in the V1 position of my MC275, and for the phase inverter for my Altec 353A. The pins will last for life. The 12AT7 type has 10 times the anode current of a 12AX7 and so the voltage drop across the anode resistors is 10 times more resulting in the 12AT7 being starved of volts. For new production 12AX7 tubes, I have used and really like the Mullard reissues and for a little more money the Psvane 12AX7s or the Sophia 12AX7s. If they will work, they are indeed excellent tubes. We tested the following current production tubes: Tung-Sol 12AX7 (Russia) Electro-Harmonix 12AX7EH (Russia) Sovtek 12AX7LPS (Russia) Sovtek 12AX7WA (Russia) JJ ECC83S (Slovak Republic) Ruby 12AX7 (China) Mullard 12AX7 (Russia) Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. The best balance of tone and gain is the Groove Tube GT-12AX7-M. Posted October 4, 2005. Use this chart as a starting point to find which current production 12AX7 will work best for you. Best Current Production 12AX7. The 12AX7 is a miniature high-mu twin triode. Our Newest Current Production Tube: The Psvane 12AU7-S Art Series We are very excited to have added our newest current production tube. LPS is very warm/dark and grainy. Another purchase and a pair of 12AX7 Telefunken reissues arrived. The 12AX7 has a gain factor of 100, while the 12AT7 has 60. Not the most gain, but not the least. View All Close. The Telefunken ECC83 / 12AX7 was made with both Rib Plates and Smooth Plates. I've stopped buying NOS 12AX7s. I am finishing up my preamp that uses 12au7's, and I was thinking about buying some higher quality 12au7's. Nobsound EAR834 MM Turntable Vinyl Phono RIAA Preamp HiFi Tube Preamplifier DIY Kit. This board need you have electronic technology and ⦠12: Re: Sovetek 12ax7 (9.16) Posted by MJL on 2005-01-01, 22:45:35 (204.210.111.79) I believe they are basically the same and they can be interchange. JJ makes a decent 12AX7 (ECC83S) but I have moved away from JJ ECC81 for PI circuits from now on. ... Go to the Chninese 12AX7 or 7025 silver plate. In my opinion the new JJ E83CC is the best new production 12ax7/ecc83 going. A Comparison of Current Production 12AX7 Tubes RCA and Sylvania first introduced the 12AX7 to the world in the late 1940's. Start new topic; Recommended Posts. Ships from and sold by Tonal Tubes. THE only JJ I like(and I use they're 6V6s, so I'm not a hater) is the ECC803S. Kind of similar to the Gold Lion 12AX7/ECC83/B759, the Mullard seems a little brighter, neither are harsh. The best balance of tone and gain is the Groove Tube GT-12AX7-M. It's best utilized as a phase inverter or reverb driver. 7. About 450 max. Ideally, every 12AX7 should yield the same gain when placed in the same circuit. I don't know what I'll do when they run out. Like all Gold Lion Tubes, Gold Lion ECC83 is built with meticulous quality, which makes it ideal as the premium upgrade for any audio 12AX7 application. The 12AX7 is a 9-pin miniature, high-mu, twin triode. I also own an equipment rental company in Atlanta. Is the ‘Top 10% Best of Best Grade’ worth the money? In Colby and Park amps, I use Tung Sol, Chinese, and JJ 12AX7 tubes, as well as the Sovtek 12AX7LPS. #1. Buy Now. Our 12AX7 Sampler Set has all three tubes above. Genalex Gold Lion ECC83/B749 is the ultimate in current production 12AX7. Gold Lion ECC83 delivers a full sonic range with excellent articulation. The biggest difference between these power tubes is the amount of gain they will provide. 12AX7 vs 12AT7 vs 12AU7: Differences Explained. Sep 7, 2007 at 6:47am. the Chinese tubes do have a shorter lifespan unfortunately. Probably the best lifespan of any current production 12AX7 and relatively inexpensive to boot. The smooth plate is one hell of a tube. The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 12AX7 for their needs. I think everything is worth trying You might pick up: Nice sound, low noise, compact plate structure. Re: A COMPARISON OF CURRENT PRODUCTION 12AX7 TUBES ®2013 Today I rolled Ruby 12AX7AC7 HG and Tungsol 12AX7s in the V1 of my Tweaker. The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 12AX7 for their needs. The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the ⦠Faithful reproduction of the Mullard 12AX7. I typically use Tung Sols in the first preamp stage because they have a warm sound. The 12AY7 tubes are not 12AX7âs and have many different properties. They do sound somewhat dark compared to other tubes, but some like that. Reading this makes me glad that I bought a large supply of 12AX7 tubes about 12 years ago. schmee Doctor of Teleocity Silver Supporter. All 12AX7 tubes have an amplification factor of 100 "highmu". 12AX7 Basics. luckily I found a source for matched EI quads, so i'm good for years now. Mullard 12AX7 is a long plate design which makes it a tad more susceptible to Microphonics, so we recommend low noise option if you use a high-gain amp. Want to try them all? Our 12AX7 Sampler Set has all three tubes above. Genalex Gold Lion ECC83/B749 is the ultimate in current production 12AX7. JJ are too dull overall and the low is so undefined, EHX just sound like nails on a chalk board. What are you paying for the best grade? We tested the following current production tubes: Tung-Sol 12AX7 (Russia) Electro-Harmonix 12AX7EH (Russia) Sovtek 12AX7LPS (Russia) Sovtek 12AX7WA (Russia) JJ ECC83S (Slovak Republic) Ruby 12AX7 (China) Mullard 12AX7 (Russia) All current production 12AX7 are a ⦠Best current production 12AX7/ECC83? Erik Zane - September 5th, 2020 . It goes smoothly into distortion and the clean sound is detailed and not cloudy. Weber 2x12 Cabinet with Weber AlNiCo Blue Dog (30 Watt) and Weber Ceramic 1230-55. See our Best 12AX7 Review for top choices for your application. Mullard 12AX7 round getter long plate works best and outperforms any new manufactured tube sonically. The two other circuits evaluated were all triode, based on circuits designed by Hafler over his long career. EHX also selects the best tubes (well balanced, best test data etc) for their gold line. Z-Natic. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. Electro-Harmonix 12AU7 EH Vacuum Tube (Close Runner-Up) If you want your guitar amp to ⦠The new production Genalex Gold Lion 12AX7 / ECC83 / B759 gold-pin tubes (Russia) always sounded excellent, in every position, and were the best sounding tube in the AF-amp positions of my McIntosh MC240, MC30s, and Fisher X-1000. Mullard 12AX7/ECC83 - This long plate works really well in some amps, and really doesn't in others. 12AX7 Comparison of Current Made Tubes. Be careful with with plate voltages on the Chinses KT66 (Valve Art, etc..). Use this chart as a starting point to find which current production 12AX7 will work best for you. A comparison of some of the most popular 12AX7s currently being produced. The new production Genalex Gold Lion 12AX7 / ECC83 / B759 gold-pin tubes (Russia) always sounded excellent, in every position, and were the best sounding tube in the AF-amp positions of my McIntosh MC240, MC30s, and Fisher X-1000. Buy them from a reputable dealer who screens tubes; there's been a few production issues that screeners seem to weed out. Posts: 17,531 Joined: Jun 2, 2003 Location: northwest. Large sound stage with excellent detail. Great tone and low noise. Same routine â warmed up the amp and then gave them a listen. A very good tube when compared to the more expensive NOS varieties. Great for rock tones, punchy, ballsy with a hint of midrange. The purpose of this comparison is simply to provide guitar players with a frame of reference to help in finding the best current production 12AX7 for their needs. Best 12AX7 For Audio Genalex Gold Lion 12AX7. They are mostly JJ, Tesla,and Sovtek. Tubes geared to your sound. The first of these used a 12AX7 voltage amplifier and a pair of 12AU7 as long-tailed-pair phase-splitters. You will end end up with a rotten sounding amp unless by chance it happens to work and even then it will sound much worse than fitting a 5751. I did considerable testing on the KT66s. By far the best 12AX7 for hifi is a SELECTED Ei/Yugo 12AX7. 2006 Fender Custom Shop Strat. In this role it is widely used for the preamplifier (input and mid-level) stages of audio amplifiers. Jun 25, 2017. 1. The 12AX7 is a high-gain (typical amplification factor 100), low-plate-current triode best suited for low-level audio voltage amplification. Tubes, like most bulk commodities, are graded according to their tested parameters from lab equipment. 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. JJ ECC83S: Mesa Boogie's current choice for 12AX7 tubes. 233. Wasn't expecting that at all. Right now I have GE 5963's, which I haven't heard, but I assume they won't be great. The practical issue with the long-tail-pair phase-splitter was the need for a trimmer adjustment for proper balance. Pennsylvania. 8.8. It basically means the tube is best suited for the most sensitive first gain V1 spots. Reaction score. The best current production EL34 available today! The Rib plate is also a very good quality tube. The Tungsol seems to clean up a bit better when you roll back the volume on your guitar, plus it goes a lot hotter than the Ruby when hit with a boost in front, it's more sensitive. Members; leadfootdriver. One of my favorites. Reading this makes me glad that I bought a large supply of 12AX7 tubes about 12 years ago. (any ⦠The Golden Lion 12AX7 short plate is one of the worst 12AX7s I ever heard with a boring and hazy sonic signature in a high quality amplifier. Saved by Willie de Klerk. Because of these differences, they sound different in a ⦠Editors note. Additional Information. Hey All, Wondering about finding good production 12AY7 tubes. Also included in this comparison are direct substitutes for the 12AX7 including: ECC83, ECC803, 7025 and 5751.
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