Jj 12ax7 tubes review

The Telefunken 12AX7 also has a very long life span and will outlive all cheaper 12ax7's by a mile. Originally made by Marconi-Osram Valve Co. Customer Review. com. The tubes have well balanced triode pairs and a very even flat response. Frankly if someone one told to me, "JJ are the same as Groove Tubes" I'd be questioning their knowledge about tubes, or suspicious about them being a liar. Mar 31, 2015 · The idea of the Grand Tube Review came from my long (20yr+) tube rolling history with the 6DJ8/6922/6N23P/E88CC tube type. New Gain Matched Quad of JJ Electronic (Tesla) 12AX7 / ECC83S Vacuum Tubes The JJ 12AX7 / ECC83S tubes are one of the most popular new production 12AX7s ever made. Get a low price and free shipping on thousands of items. They have a construction that is similar to a frame-grid tube - similar to the Telefunken ECC803s. 6V. . Wide asortment and models up to 560 V. BUY Power Tubes; BUY Rectifier Tubes; BUY Preamp Tubes Replacing 12ax7 tubes in Jolida 202; Than I read somewhere a review on the ERSE MPX series capacitors, and decided to change the original block capacitors for 12AX7 (ECC83) TUNG-SOL. DOUBLE TRIODE ECC83S is 12AX7 high gain pre-amplifying double triode. I am not a huge fan of anything JJ does except their 5AR4/GZ34 rectifier. With the 12AX7 being such a popular tube in vintage as well as current preamplifiers, a great 12AX7 is always in demand. Hoffman Estates, IL 60192. thanks to its design it performs with very low noise and microphonics. JJ 12AY7 6072 preamp tube is a dual triode preamplifier tube with medium high gain. Cryoset Deep Cryogenic Treatment: This JJ 12AX7 type tube is extremely musical and reliable thanks to the rugged internal construction. 1mA. JJ 12AX7/ECC83. Tested for shorts, balanced triods, audio test so you get the best of the best. This is because JJ tubes are manfactured with some of the same tooling as Tesla tubes. (both are accurate) is a well balanced colourful tube with strong lows & mids whilst also providing smooth highs, allowing for more clean head-room compared to some of the higher gain 12AX7s. Asortment of more than 30 types of vaccum tubes. 12AX7 / 7025 Tube Reviews. Features. The 12AX7, 12AT7, 5AR4 at least for sure. While many lovers of vacuum tubes enjoy the hunt for NOS (new old stock) tubes, great deals on NOS tubes are few and far inbetween. Made on Philips Mullard equipment and identical to a mullard 12ax7, but pumped in India, these have the exceptional tone of a Mullard and accentuated mids without the hefty price tag. Has a smoother midrange similar to NOS Mullards (though not quite the same). com? Contact us or drop us line, we have limited quanitities of limited tubes. Sep 21, 2011 · A review of the JJ ECC803S vacuum tube This is the other 12AX7 tube made by JJ and it is very different both in sound quality and construction from the previously reviewed JJ ECC83 S tube, with its’ frame-grid construction and compact, 6DJ8-style plate structure. thetubestore. 00€ ECC803S is a long plated 12AX7. If we promise a delivery date and a delivery attempt Asortment of more than 30 types of vaccum tubes. Be the first to write your review ! Write your review JJ 12AX7 ECC83S . It refers to the use of long plates and a spiral wound filament. It has made a big difference. Shortly after my EL34 tube review on Wall of Sound, Jon Esau of www. Both short plate designs. Get the guaranteed best price on Preamp Tubes like the JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube at Musician's Friend. I've found (for my playing and tone) that the stock Fender Groove Tubes are a little harsh, a little too distorted sounding, and compared to those tubes, these Tung Sol tubes feel a lot more refined, clean and clear, musical and also more reliable. The JJ's just were dull, and lifeless sounding to me. These JJ 12AX7 ECC83S preamp tubes are immediately discernible from other 12AX7. Mullard CV4004 / 12AX7 / ECC83 pre-amp tubes,Reissue, Be the first to write a review item 1 Matched Pair ECC83 PLUS Gold 12AX7 Vacuum Tube HIFI Mullard JJ AK985 “Il Terzo” in English means “The Third”. 12AX7 tube is the most common preamp tube today. When I replace JJs with Tung Sol new production tubes or Ei ECC83s, it's like taking a blanket off the amp. If you look at the picture above you’ll see that a Tesla ECC83 tube made in 1973 has exactly the same same kind of anode plate, mica support and getter construction as a modern manufacture JJ ECC83. Smoothed out the sound compared to the stock Marshall tubes it came with. Radial and axial configuration. Jul 18, 2007 · I have a Ruby 12AX7 and a JJ ECC83S (same thing as a 12AX7) in front of me. Shipped with USPS First Class Package. Predictably, the 12AX7 sounds smoother, richer, with more bass emphasis compared to its EH cousins. Avg. In this review, I’ve compared the new 5751 with the JJ ECC83S (12AX7) which has been my standard workhorse guitar preamp tube for several years. Given the gain, it is generally very low noise and microphonics. There is a reason major brands such as Fender and Marshall come with them as stock tubes. Frame grid construction is most commonly associated with tubes such as the 6922 and 6DJ8, but is also employed by JJ with this Both of these Tung Sol 12AX7's are ECC803S. Great for all musical genres. The JJ. Generally interchangeable with the 12AX7. The gold plated pins provide corrosion resistant surfaces for maximum signal transfer. Same halo getter, same plates, even the little details in the internal support structure are an exact match. JJ Preamp Vacuum Tube, 12AX7 ECC83 3 Reviews Add Your Review. Looking for ECC83, 7025 Tubes? You can use any current production 12AX7 tube as 12AX7A, ECC83 or 7025. Oct 23, 2019 · My review of the new JJ frame family and is perhaps the best new production 12ax7 going. ECC83/12AX7 dual triode vacuum tube from JJ Electronics. Qualified orders over $99 will ship to you without incurring a shipping fee. The plate voltage is around 100 volts vs the RCA that operates at 200+ volts in other gear. 12AX7 is a high gain tube often used in the first stages of tube amps. All at a very attractive price. Tube amps use multiple tubes, and the first position is referred to as V1. They did a admiral job, and lasted long. Description. Not on mullardtubes. NOS tube with original data sheet. It is a quality tube in a preamp or for use as a phase inverter. This gold pin Russian tube is very similar to the plain pin version. They look the part - well made  13 Jan 2019 JJ was born from the ashes of the Czechoslovak state-owned Most guitar amps use 12AX7/ECC83 preamp tubes exclusively, so this list is  JJ ECC83 (12AX7 in American money) high gain double triode tube. Chinese Psvane 12AX7-T MKII. Mike, I just put it V1 of my 51 5150 50 watt head. Aug 25, 2012 · The Sovtek LPS makes a decent PI tube. We stock thousands of pre-amp valves from NOS to current manufacturers like JJ, Electro Harmonix, Psvane, Tube Amp Doctor (TAD), Fender, Groove Tube and many more Vacuum tubes, capacitors, sockets specialized shop on production of JJ Electronic manufacturer. it could be misleading. How many more those you have in stock? Rich. Bought 2 of those because the description mentioned med gain tubes. Mar 10, 2014 · The Mullard 12AX7 / ECC83 Reissue is a nice tube but in my opinion better suited to home audio than guitar amps. We carry a vast number of 12AX7 tubes to help you get the right sonic from your gear. V2 and V3 were occupied by JJ ECC83S tubes, whilst the poweramp was fitted with four matched JJ EL84, with a JJ GZ34 rectifier. Review by Tim Smith. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. Questions about the Mesa/Boogie 12AX7 Preamp Tube? Sweetwater's Sales Engineers are regarded as the most experienced and knowledgeable professionals in the music industry, with extensive music backgrounds and intense training on the latest products and technologies. A 70's Fender twin reverb fitted with original Fender blue back Shop for the Tung-Sol 12AX7 Tube and receive free shipping on your order and the guaranteed lowest price. The JJ Electronic 12AX7 / ECC83 has quickly become a modern classic in preamp tubes. Jun 09, 2011 · It's nice to find a "value tube" like that you can live with. There are TESLA tubes, and there are JJ tubes, both made in different factories, by different people, with different technologies. At a lower price point, they are excellent quality tubes for audio and especially guitar. Many manufacturers marked 12AX7's as 12ax7 without the “A” suffix well into the 60's and 70's, but these are most often 12AX7A's marked as 12AX7. 12ax7a: Can be used in series or parallel circuits. JJ12AX7 ECC83S Oct 29, 2019 · The rigid frame allows for tighter tolerances and closer construction which results in lower noise and increased stability. The JJ ECC83 has darker sound characteristics and great for metal and hard rock. Rating . I have a nice collection of NOS tubes and I must say these new stock JJ's are still a valid contender. Resumé: The gold- pinned JJ ECC83S GP is not so emotionally involving on some  I've always wanted to do a review of 12AX7 tubes but felt that there were too These would include the Sovtek LPS, and the Mullard and the JJ ECC8093S (not   reviewed by: Home base!! Whether you are looking for good performance or low price, I can recommend the JJ 12AX7. They will give you superb tone, power and long valve life. Mar 12, 2018 · With a gainier tube like the 12AX7 you need less signal coming in from your pickups to drive the outputs to full power. I use them in my '70, '71' and '73 Hiwatt and Marshall guitar amps and even in my brand new Freidman plus my buddy's new Mesa. The JJ tube is made with an advanced  I was looking at the JJ ECC83 or JJ ECC803 has anyone used these in a First attempt at tube rolling was tung sol 12ax7. These BLACK SABLE tubes are hand selected for low noise and microphonics as well as balanced internal triodes. More specifically, the design of this vacuum tube amplifier Continue Reading → May 08, 2013 · Tubes that could be abused the most, vibrated, run at over voltage; Sovtek 12AX7WA and JJ ECC83S. I like Brimar CV4003 or Westinghouse 12AX7 short plate with center bump. How would they compare to JJ´s or Shuguang tubes? I plan to replace the stock tubes on my Marshall JMP-1 preamp. JJ Electronics T-12AX7-S-JJ Vacuum Tube ECC83 Electric 12AX7 is a low noise double triode and small size novel tube, it is used as voltage magnification in audio amplifier, and inverter drive push-pull amplifier. It's nice (Smart) to have an assortment of production tubes around if you can afford to. Usually between $5-$15/tube. 12 user reviews on JJ / Tesla ECC83 S. Ed. too bright and edgy  Items 1 - 30 of 31 F. The 12AX7 is a high-gain (typical gain factor 100), low plate current triode, and is therefore best suited for use in the preamplifier (input and mid-level) stages of audio amplifiers, guitar amps , mic preamps etc. JJ Electronics? I always had an inclination towards JJ because I had heard so much about them and put them in the Fender I used to have, but I know there are some guys who swear by Electro Harmonix. The Westinghouse tall ribbed plate are poor. 2) Premium tested for microphonics, shorts, leaks, triod balance and audio Last year I bought one 12AX7 from each of Tung Sol, Electro Harmonix, JJ Tesla and Sovtek and trialed them one after the other in a Fender Champ 600 against the stock tube. At $99 per pair for their highest grade, the Shuguang Psvane (Pavane) 12AX7′s are a bargain. Unique multi-section design. Why JJ tubes are not Tesla tubes. I like it a lot. It is a dependable, high mu double triode with reduced gain and clearer, more articulated tone than a higher gain ECC83. Are you looking for the very best tubes for your vacuum tube amplifier? This is the place to start. As for phono, both tubes are not great. Find helpful customer reviews and review ratings for JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube at Amazon. You'll also find that the MESA 12AX7 is both consistent . ECC83S is 12AX7 high gain pre-amplifying double triode. I think JJs are some of the darkest sounding preamp tubes on the planet. In no particular order: —————————— NOS Mullard 12ax7: The ‘holy grail’ of NOS preamp tubes. JJ-Electronic Valve ecc83s Is great for blues/rock players, good fat base. 12AX7 (also ECC83, 7025) The next time you need to re-tube your guitar, bass, or hi-fi amp, be sure to insist on getting authentic Electro-Harmonix tubes. most of the other JJ tubes sounded with the ecc803 tube being the Jan 24, 2001 · Personally I prefer NOS(New Old Stock) preamp tubes like Phillips, RCA, or Telefunkens, which are my favorite. These are near exact copies of exotic and rare Telefunken ECC803s. Specifications. L's. Ever since I test NOS ECC83 and 12AX7, I find that the average of new production is not at 1. View all results for 12ax7 at Sweetwater — the world's leading music technology and instrument retailer! COVID-19 Update: Yes! Our website and phones are open, but shipping may take a few extra days, for the safety of our team. The tubes inside were intact, though, I could find no noticeable defects. Big, warm, and musical. 00€ ECC83 S/ 12AX7 / 7025. JJ Electronic is a world-renowned manufacturer of vacuum tubes, electrolytic capacitors and high-end audio amplifiers. Vacuum tubes, capacitors, sockets specialized shop on production of JJ Electronic manufacturer. I replaced them with my favorite nos tubes. A Comparison of Current Production 12AX7 Tubes. It allows for more clean headroom than higher gain 12AX7s. The JJ ECC83S / 12AX7 is perhaps the most consistently high gain of all 12AX7's. Mar 10, 2016 · The JJ ECC83-S / 12AX7 tube sports a different plate design than found in most 12AX7’s. Most recently I have been active on the Lyr tube rolling Selected tubes for low noise and low microphonics. Find helpful customer reviews and review ratings for JJ Electronics Amplifier Tube (T-12AX7-S-JJ) at Amazon. However, preamp tubes like Telefunkens, Mullards, Tungsol, and Amperex can go for $30-$90. 12AX7 tubes are high gain with a typical amplification factor of 100. You can see it and hear it. Designed for endurance and longevity for application in the audio industry. Read honest and unbiased  Find helpful customer reviews and review ratings for JJ Electronics Amplifier Tube (T-12AX7-S-JJ) at Amazon. Long plate Buy your JJ Tubes 12AX7/ECC83 Preamp Tube from Sam Ash and receive the guaranteed lowest price. The JJ 12AX7 is well suited for all types of music and playing styles. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940’s. Sorry if I'm confusing you. Here, I tried to use a more formal and rigorous process to the design and value settings of the various parts of the vacuum tube amplifier. 12AX7 is a low noise double triode and small size novel tube, it is used as voltage magnification in audio amplifier, and inverter drive push-pull amplifier. Perfect for Blues players who wish to have slightly lower gain than what the 12AX7 provides. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. Sweep of Several 12AX7 Samples in Same Preamp Circuit 14 16 These are not well described - you need to buy the mg model of JJ's 12ax7 to get the real medium gain preamp tube. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments. One of the 2 or 3 "holy grail" 12AX7 tubes ever made at any time, you have to hear these to understand why they are so rare and costly. There is a common misunderstanding in the internet called TESLA-JJ tubes. For that matter I am no fan of their output tubes either other than the E34L's in the 1987X. See our Best 12AX7 Review for more information. While somewhat pricey, the gold pin Genalex Gold Lion is absolutely the best current production 12AX7 I've found for brightness, airiness and clarity. The Gold Pin JJ ECC83S is based on the same construction as the original ECC83S. See reviews of this popular audio vacuum tube also known as a ECC83 and 7025. Tone is very subjective as you know, and they might work great in some amps. 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. The internal components go through additional selection and processing during assembly. It was released for public sale under the 12AX7 identifier on September 15, 1947. A Comparison of Current Production 12AX7 Tubes RCA and Sylvania first introduced the 12AX7 to the world in the late 1940's. The good news? The quality of current production 12AX7's is getting better and better. Eurotubes peeps are known to be big JJ tube geeks, so they know their JJ tubes more than any other seller in the market, I reckon. JJ ELECTRONIC ECC803S: The ECC803S's are great sounding tubes and have a very thick and fat tone with a little more high end than the ECC83S's. I wouldn't recommend these in small combos where the tubes are in close proximity to the speaker. Currently using them in my main amp, which is a Marshall DSL-100H 100 Watt head. If you are looking to upgrade the tubes in your amp, 12AX7 in V1 where you want to start. Read honest and unbiased product reviews from our users. A month or so later I was gonna do another sound comparison but the JJ 12ax7 was dead. This tube is used in the Effectrode SR-71 'Blackbird™' preamp and the 4-stage clipping  Buy your JJ Tubes 12AX7/ECC83 Preamp Tube from Sam Ash and receive the guaranteed lowest price. JJ's came in my Little Lanilei 3350. ( not the flat-plate ECC83. Read 14 Reviews . The lamp itself is probably not bad (and that is why, careful, I note still "correct") and I do not doubt it to be the case in other circumstances, but I much prefer her Groove Tube, Ruby or DD. Good for bright tones and I am currently using it on my tube mic preamp, which is a loud device, this valve tames is a bit and I see this JJ well fit for this purpose. It is very musical - rich with great harmonics. For many, they are the first choice when looking to upgrade. 0mA is normal too. Tubes. Compared to good nos, especially military tubes, the components in new production tubes are thinner and weaker. Home. Some folks have reported them to be a smidge Which Telefunken 12ax7 I'd like to hear from members who are familiar with NOS Telefunken 12ax7s from the 1950&60s. The JJ 12AX7 ECC83s (sometimes call a 12AX7 and sometimes called an ECC83s. This is one of the best new 12AX7 for any guitar amp. These tubes are well balanced, and have a colorful tone with strongly defined lows, mids and smooth highs. Founded in 1993 by Jan Jurco, a small garage business grew to become a well known and respected in music industry. ? A high quality well rounded tube, the JJ provides that warm tweed tone. Most other retailers will match to only one of these values, however it is important to have both of The empirical approach that I used tu build “Il Primo” was replaced by a more rigorous approach in “Il Primo Bis”. Feb 05, 2018 · For some reason a Telefunken 12AX7 ribbed plate sounds better in a Pioneer SX-34. B. It is a 9 pin noval tube with two heaters that can be operated in parallel at 6. 12AX7, 12AU7, and 6DJ8 family tubes in vintage forms (like Tele,Philips/Amperex, and Siemens) are as addictive as crack, and on that rare occasion I rolled back to the stock Philips JAN or JJ things just weren't the same. 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. The JJ ECC83s (12AX7) is a high gain preamp double triode valve. Rod ~ World Tube Company Amperex ( Bugle Boy ) These vacuum tubes are used in high end guitar Amplifiers and audio gear, AC/DC radio equipment and in many diversified applications such a multivibrators or oscillators in industrial control devices. These tubes provide high gain without the usual Departments > Guitars > Parts > Audio Tubes > Tubes Preamp > JJ Electronic > 12AX7/ECC83 Great Replacement Tube 0 of 0 customers found this review helpful. 0 / 5 by 5 customers! JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube. Only the machines are the same, and Watford Valves - Test Reviews ECC83,12AX7 Test Reports 1998-2002 INTRODUCTION: OBJECT OF THE TEST To establish the best sounding ECC83/12AX7 of both New Old Stock and current production variety. Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM USA Central Time. Measurements were made of an original Mullard Blackburn ECC83, two of the ‘reissue’ 12AX7 tubes and a JJ 12AX7 for reference. ECC83 12AX7 RCA USA made audio triode valve. Same grade as Ruby 12AX7ACZ HG. Why choose the JJ 12AX7 ECC83S Preamp Tubes? This is one of the best new 12AX7 ECC83S for any guitar amp. These tubes have been cryo treated, given a 24 hour burn-in and then carefully checked for noise and microphonics. Gain % as compared to 12AX7 : 100% Data Sheet 30-day warranty against manufacturing defects. Also for new tubes, and 1. Handcrafted guitar and high - end audio amplifiers. These tubes have been cryo treated, given a 24 hour burn-in, and verified on the Maxi-Preamp Digital Tube Tester. The JJ E83CC is a great choice for high fidelity amplifiers as well as guitar amps and studio equipment. This is a nice tube but in my opinion better suited to home audio than guitar amps. The 12AX7 was originally intended as replacement for 12AX7 PREAMP TUBES. High reliability and exceptional music - listening experience. There is a reason major brands such In my quest for tone I've tried many current production 12AX7s (Groove Tubes, JJ, Tung Sol RI, Mullard RI, etc. Call 800-472-6274 for expert advice. The following guidelines should be taken into account: The free shipping option allows TubeDepot to choose the most appropriate carrier and service. The Ultimate 12AX7. Harmonically rich with a detailed low end and a warm high end. 0 item(s) - 0. 12AX7's are two tubes in one glass envelope, that's why they're called a dual triode. In many cases, these tubes are interchangeable and can easily be swapped. Tung-Sol 6V6GTs are the holy grail for players who crave the sound of a Fender Princeton, Deluxe or Champ, or those who revere the tone of the earliest Ampeg Jet and Rocket. As an owner of a tube   Review of the JJ Electronics E83CC (12AX7) Frame Grid Tube. These tubes are immediately discernible from other 12AX7. Prices can vary on these tubes. This recreation of the E83CC has been designed with a frame grid to help ensure low noise and  Tubes are getting rare and not many manufacturers left. They are very balanced from top to bottom and have low noise and microphonics) - ORANGE AD30HTC - MARSHALL - BELLARI PHONO - EAR - McIntosh SONIC COMMENTS: ----- "Brendan, you nailed it with this recommendation for my bellari vp129 phono stage. Thanks to its design it also performs with very low noise and […] I was initially looking at a reissue of the Tung Sol 12AX7 because of rave reviews of it on forums, but I left my choice open for other JJ variants knowing how durable they are. The Master Valve . Especially, the Power Supply Unit was significantly revised, Continue Reading → The JJ Tesla 12AX7/ECC803S is well made, low in microphonics with a thick glass envelope. As a minus with the service, all the tubes in the package were just thrown in, and their boxes were found smashed on arrival. I wonder if they are worth the extra $$$ (really pricy). These tubes are balanced. 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. The dictionary definition of "normal" is: "occurring most often". 12AX7 / CV4004 BRIMAR ENGLAND (Brimar tubes are excellent in the phono section. Oct 31, 2018 · Mullard ECC83, 12AX7 Mullard ECC82, 12AU7 Mullard ECC81, 12AT7 Philips ECC83 TUNG-SOL ECC83 Audio Classic ECC83 TAD ECC83 Mesa Branded ECC83 Marshall Branded ECC83 Raytheon ECC83 Ultron ECC83 Ruby JJ 5751 Tube Review . (Genalex) in England, the famed 12AX7/ECC83 power tube is once again available. I used EL84 power vacuum tubes and 12AX7 vacuum tubes as input and phase split. 21 Sep 2011 This is the other 12AX7 tube made by JJ and it is very different both in sound quality and construction from the previously reviewed JJ ECC83 S  21 Sep 2011 The JJ ECC83 S is substantially different in construction from the other 12AX7 types considered here. com offered a set of five EL34-type tubes for review (JJ KT77; JJ EL34 II; Svetlana EL34; Genalex Gold Lion KT77 and Mullard EL34) I jumped at the opportunity. JJ Electronics T-ECC803-S-JJ Vacuum Tube JJ 12AX7 Long Plate Vacuum Tube : Amazon. Ideal where punch, stability and low noise are required. The JJ tube is made with an advanced technique known as “frame-grid construction” first pioneered by Telefunken. The 12AX7WA is the workhorse of the industry as it is cheap and the low gain makes it more forgiving in noisy designs. The ECC83 has the same pinout and amplification factor as a standard 12AX7 and can be used in any 12AX7 or ECC83 We always recommend JJ valves for the ECC83 4-off preamplifier valve kit. Low stock alert . The Tung-Sol 12AX7/ECC83 is the gold standard of preamp tubes favored by guitar tone junkies, and one of the most important links in your tonal chain. The best smooth "clean" tone and they break up really nicely for the "overdriven" tones. You can order power valves singly or as matched pairs, quads or sextets (6). I have expensive taste when it comes to some of these tube types. but the really rare frame-grid style which cost $100's of dollars if you can find any). We will take a look at why you might, or might not want to swap out the different types of tubes. From our review of this tube: "This tube sports a different plate design than found in most 12AX7's. 12 user reviews on Tung Sol 12AX7. Jun 08, 2018 · The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. Later, David A Tube Imp Mini Tube Tester was utilised to make a spot measurement voltage gain. Whats the deal here? Hi Mike: Just thought I would drop you a line - I told you how much of an improvement the Mullard EL84's made in my Savage Rohr 15. They are available to offer you personalized product advice any time you need it. Tesla / JJ 12AX7 The Genalex Gold Lion 12AX7/ECC83 features a tight, powerful, yet balanced sound. 2mA as by the text book. 12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. After swapping out the Rubys for JJs, there was an obvious difference in tone. The point is that pre's will sound different from amp to amp IMO. I can't stand them. When you look at them you can't help but think that they must be rugged and good for the musician on the road. The Balanced JJ 12AX7 ECC83S preamp tube is one of the most common preamp tubes in modern and vintage guitar amps alike. When Jon Esau of www. I enjoy all of these tubes and haven't had issues with SQ, build quality or endurance. Read honest and unbiased product reviews  Read Sweetwater customer reviews for JJ 12AX7/ECC83 Slovakia Preamp Tube. The ECC83 is a mid gain tube and will have less gain than a 12AX7 (ECC803S). JJ Gold Pin 12AX7 Find helpful customer reviews and review ratings for JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack) at Amazon. in: Musical Reviewed in the United Kingdom on 14 June 2019. May 12, 2011 · Following from my review of Tungsol's 6SN7, a quick audition of its 12AX7 brother suggests that New Sensor is going for a particular house sound with Tungsol re-issues. You’ll also find that the MESA 12AX7 is both consistent and reliable in its smooth, balanced tonal response. #1. from Doug's Tubes (my preferred tube seller) Ruby 12ax7acz: Highest gain 12AX7, great for metal and hard rock. These tubes are immediately discernable from other 12AX7. Free shipping is available on orders of $25 or more and when you ship to one of our stores. You can refer to site like Tubestore or TubeDepot to verify this. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. A. Mar 29, 2013 · 12AX7 Current Production Vacuum Tube Comparison amplifiedparts. Ei 12AX7 Review. This review concerns only two case and does not purport to judge the absolute quality of this type of lamp, probably satisfactory in other configurations. This vacuum tube amplifier came after the “Il Primo” and “Il Primo Bis“. They are very close but the gold pin will have slightly less gain in the mids. The latest Russian re-issue is a perfect example. Find helpful customer reviews and review ratings for JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack) at Amazon. When it comes to the best 12ax7 tubes, we have to give it to the JJ Electronics Amplifier Tube. com asked if I might be interested in reviewing a bunch of 6L6’s. See All about 12AX7 Tube page for answers on common The main differences in this line of 12ax7 are denoted by the LPS in the name. My favorite is probably the JJ tube since they are so cheap and generally sound pretty good. 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. This tube clips slightly earlier than other 12ax7's giving you that edge. Also known as the Groove Tubes 12AX7-C, and Ruby 12AX7AC5. I was recommended JJ and they do get good reviews so I took a chance. If all tubes in your circuit start with 6 or 12 (except for 5 Volt rectifiers) , then it is a parallel. New Gain Matched Pair of JJ Electronic (Tesla) 12AX7 / ECC83S Vacuum Tubes. Product Description. Scroll down this page to the yellow navigation bar to navigate our website! CLICK ON THE BOXES BELOW TO EXPLORE OUR INCREDIBLE STOCK OF NEW OLD STOCK TUBES, VALVES, TUBE TESTERS For our preamp tubes we match with a maximum difference of 10% for both gain and transconductance for each side of the tube, as well as both tubes in the pair. I have the chance to buy a set of old (1960) Philips/miniwatt Nos 12ax7 (ECC83) tubes, made in the Netherlands. But both tubes should be able to give the output tube enough clean signal to drive the output tubes to full power. Departments > Guitars > Parts > Audio Tubes > Tubes Preamp > JJ Electronic > 12AX7/ECC83 Great Replacement Tube 0 of 0 customers found this review helpful. The best in current production 12AX7 type tubes with the highest current output. Because of the high gain, 12AX7 in V1 has a lot of effect on sonics. To my ears, the Tung Sol was clearly the best in terms of clarity and articulation; not sure about harmonics Mar 09, 2017 · Three JJ 12AX7 preamp tubes only cost $30 so I thought it was worth a shot. These Gold Lion 12AX7 re-issues sound incredible: A full, glorious midrange with great texture and liquid detail, extended yet controlled highs Thirdly, and finally, JJ Tube do have genuine heritage. Not graded or guaranteed for any V1 spot. Enjoy our 45-day 5. I don't like Mullard 12AX7 preamp tubes (Page 1) — Joe's Guitars, Amps and Gear — Joe Bonamassa Forum — The official forum for all things Joe Bonamassa, guitars and blues music Feb 02, 2008 · These would be great tubes for home audio applications. These tubes produce a very rich tone across the useable frequency spectrum and are designed to reduce hum in an AC circuit. I for one am a JJ ECC83 Hater. 4 Stars & Up & Up; JJ Electronic ECC83 S (USA CODE 12AX7) Premium tested Amp Valve Tube (12AX7) Valves/Tubes - JJ Electronics NEW TESTED. Also known as the Groove Tubes ECC83-S and Ruby 12AX7ACZ HG. This 12AX7/ECC83 preamp tube   9 Oct 2019 Test - review of 12AX7/ECC83/ECC803 vacuum tubes. Selected high grade JJ ECC83. Wow sounds killer really warmed the amp up yet kept the clarity. Rated 4. 12AX7/ECC83 ELECTRO HARMONIX. A rich sounding tube, yet balanced without the noise and microphonic problems found in some other 12AX7 types. The JJ ECC83-S tube has several improvements in its construction from the old ECC83 version. The JJ 5751 is a drop-in replacement for any 12AX7 / ECC83 tube. JJ Electronics 12AX7 ECC803. The JJ 12AX7 / ECC83S tubes are one of the most popular new production 12AX7s ever made. First of all the sound is greatly improved. JJ Electronic ECC83-MG (mid-gain 12AX7) All 12AX7 tubes have an amplification factor (μ) of 100 ("high-mu"). The hardest part of tube rolling is to get your preamp (the heart of the system) to integrate with both your digital and phono. Guitar Pedal KIT. I though Ruby tubes were Chinese though. A Comparison of Current Production 12AX7 Tubes by Kurt Prange. The Tungsol has a creamy smooth midrange with a weighty and slightly rounded Vacuum Tube - ECC803 / 12AX7, JJ Electronics, Long Plate - A high performance, long plate version of the ECC83 / 12AX7. This 12AX7/ECC83 preamp tube has a well-balanced, colorful tone with strongly defined lows and mids and smooth highs. Penta 12AX7 - Data Sheet Amps I've tried the above tubes in have been my old Ampeg v4, Sound City 120 and Univox ux1501. I have it in a number of guitar amps  Tubes are getting rare and not many manufacturers left. ECC83S / 12AX7 JJ These tubes provide high gain without the usual noise and microphonic problems you would expect. 3V or series at 12. I was looking for clarity, articulation and harmonic content. JJ 12AX7 ECC83S Preamp Tube. 4 New In Box Gain Matched Quad 4 JJ Electronics Tesla 12AX7 ECC83-S Vacuum Tubes. What are your opinions on Electro Harmonix tubes vs. This is because they are a significant upgrade in quality compared with stock valves. " This truism places the 12AX7/ECC83 class at the top of a list for the most important tubes in your amplifier. Tonight I pulled the JJ 12AX7's it ships with out and replaced them with a pair of Brimar CV4004's that I got from you. Gold Lion ECC83 / 12AX7 - Let's face it NOS 12AX7's are getting scarce. Ok, that’s enough of the background nonsense, let’s get stuck into the meat and potatoes. CALIFORNIA PROPOSITION 65 WARNING I purchased a quad of the new PSVANE 12AU7-T for my Octave Jubilee preamplifier and based on my experiences compared with other tubes I have rolled; I am pretty confident that the PSVANE tubes are one of the better new tubes in the market today. The MESA 12AX7 is a lively, open, and expressive tube. JJ Tubes 12AX7/ECC83 Preamp Tube . It happens to be one of my two favorite tubes, right up there tied with the majestic 845 that I use in my Line Magnetic amplifier. In my Jolida amp my favorites are the JJ 5751 tubes, and Ruby 12AX7AC7 HG+ aka TAD 7025-S and Preferred Series 7025. It was developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522. The funny thing is the 6505 MH comes stock with JJ EL84 power tubes, but the stock preamp tubes are Ruby 12AX7s/ECC83s. When you look at them you can’t help but think that they must be rugged and good for the musician on the road. The internal structure in both is 100% identical. JJ Electronics has placed a lot of emphasis on creating tubes that meet the needs of tube/valve amplifiers. Warm, fat tone that is signature of the Chinese tubes, these are selected Shuguang 9th generation 12AX7's. With a Jolida Tube DAC 2 I really liked the Genelex Gold Lion 12AX7 tubes. None of my tube mics use 12AX7 so that's a different story altogether, I guess. JJ Electronic 12AX7 twin triode 12AX7 also known as ECC83S or 7025. The S model is a good preamp tube - but with normal to high gain. Tubes supplied by www. Reference . BRENT JESSEE RECORDING & SUPPLY, INC. JJ/Tesla 12AX7 tubes are my favorite current production preamp tube. 12ax7/ecc83 The 12AX7 is a high gain dual triode used in guitar amplifiers and hi-fi circuits. I don't know which duck invented this word, but such tubes don't exist. ECC83S Gold Pin (12AX7). The 12AX7 tubes are also known as ECC83S, but they are the same tube – 12AX7 is the US name, and ECC83 is the European name. Sep 21, 2011 · The JJ ECC83 S is substantially different in construction from the other 12AX7 types considered here. JJ Electronic ECC83S The Mesa/Boogie MESA 12AX7 is a premium-grade preamplifier tube. Like all JJ preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low microphonics and high reliability. Mullard 12AX7- Vintage Tube. Voltage gain is also known as amplification factor (mu) and is typically stated in the ECC83 tube datasheet as having a value of 100. The JJ 12Ax7 Pre-amp Tube - Our Number 1 Selling Product JJ Electronic is a world-renowned manufacturer of vacuum tubes which has been building professional grade components for guitar amps and Hi-Fi since 1993. For a comparison of all the 12AX7's we carry, click on the tech corner link at the top of this page. Get the guaranteed best price on Preamp Tubes like the Mullard 12AX7 Preamp Tube at Musician's Friend. Aug 12, 2011 · 12AX7 Black Plate Review, USA tubes as good as Mullard & Telefunken "The earlier a signal is in the audio chain, the more important it's amplification is. These are great preamp tubes for Marshall amps. JJ 12AX7/ECC83 vacuum tubes are a great choice for most applications. (14 reviews). Learn more now! Online Suppliers of vacuum tubes, sockets, capacitors, switches, enclosures, and related music electronic components to the South African market. I've also tried JJ's, Sovtek and Groove Tubes but the only current production tube that was able to compete, in my opinion, was the Tung-Sol 12AX7 I mentioned. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be – not to mention all the tonal shades of grey in between like clipped, overdriven and crunch sounds. JJ Electronics 12AX7 / ECC83 Preamp Description; Reviews; Q & A. Some exclusions apply. There are many 12AX7 on the market today. I used Tung Sol 12ax7's in both of my Marshall V1 slots until I could afford great NOS tubes. A 12AY7 may have less gain and you either have to increase the volume control or turn up your pickup volume. The JJ 12AX7 tubes are one of the most popular choices of preamp tubes, and with good reason. I heard that very soon Bugera will be installing their OWN brand of tubes into their amplifiers and that their brand of tubes are quite good! Anybody The India made BEL 12AX7 is by far the best value in 12AX7 tubes. I also can buy RCA 12ax7A from the same guy, how those compare? 12AX7 (also known as ECC83) is a vacuum tube that is a miniature dual triode - 6AV6 with high voltage gain. We agreed that I’d throw a few of my own tubes, including the Tung-Sol EL34B and Shuguang 6CA7-Zs I purchased They have multiple different versions for a particular type of tube, meaning one Groove Tubes 12AX7 might not be the same as another. Full and chimey mids, a tight bottom end and greatly reduced hum and noise characterize this tube. JJ Electronics Amplifier Tube T-12AX7. 7) Freq. Enjoy our 45-day return policy. The BLACK SABLE JJ ECC83G is the best choice for first gain stage positions but works equally well anywhere premium ECC83 / 12AX7 is needed. These are ladder anode ring getter in original/white box. The good thing is that both tubes are inexpensive, so try both. All preamp tubes are microphonic it's just a matter of where the threshold is and longer plate tubes will squeal before a short plate tube will, so for real high gain amps I would stick with a short plate ECC83 (12AX7). The average is always around 1. As some of you may know, the 5751 is similar to the very common 12AX7 aka 7025 and ECC83 but with a bit less gain. 12ax7 ecc83 12AX7 is a miniature dual triode tube with high voltage gain. It’s designed to provide high gain output with an overall balanced tonal quality. Check out the following tube reviews for guidance in getting the best possible tone out of your tube gear. High gain preamplifier tube with ultra low noise and detailed, musical tone. Due to the microphonics problem, I'm unsure as to their roadworthiness. Also here, I designed it using the approach described in my book. Mike, Thank you for recommending the NOS RFT 12AX7 to warm up my 65 Amps Empire. They look the part - well made  great new & used options and get the best deals for JJ Electronics 12AX7/ ECC83 Vintage Tube at the best online prices at eBay! Ratings and Reviews. ) as well as NOS tubes in various positions in different guitar amps. 1590 West Algonquin Road #111. EQUIPMENT USED The amplifiers used were: 70 's Fender twin reverb fitted with J. Just my opinion. As the Yaqin dealer in Singapore, we are glad to bring in another popular amp from them, the MS-23B Vacuum Tube Phono preamp! Get the sweet sound out of your turntables at a sweet price and bundle! A COMPARISON OF CURRENT PRODUCTION 12AX7 TUBES ®2014 T-12AX7-GOLD-JJ Lows Mids Highs (7. This is the long plate version of the Tesla 12AX7 and have a little less gain than the JJ 12AX7. The Ruby 12AX7ACZ High Grade is a re-labeled JJ ECC83. Shop JJ Tubes Guitar Amp Replacement Tubes from Sam Ash, the largest family-owned musical instrument and pro audio retailer offering the best selection at the lowest prices since 1924 12AX7 Tube Reviews. Get close to real Telefunken sound at a fraction of NOS prices! These are the latest ECC83S variety. 12AX7 Current Production Vacuum Tube Comparison YouTube; Mullard vs JJ 12ax7 ecc83 JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. Just me though. And don't ask me why that is, but it is so with NOS and NEW tubes. I have always been amazed at the sound quality improvements that some of the better of these tubes made. Feb 12, 2008 · Mullard 12AX7 / ECC83 Reissue Review. I'm not a fan of the Tung Sol, at least in a Fender Hot Rod Deluxe. Preamp Valves 12ax7 ecc82JJ, 12ax7M | Hot Rox UK graded (see options on the valve page). We offer three price options:1) Factory tested from the JJ factory - We do not screen these. 0. Mullard ECC83 / 12AX7 Vacuum Tube Replicates the sound signature of the large plate Mullard ECC83 tubes popular in the 1960s and 1970s. This construction makes them very rugged and reliable. F. They are also constantly changing their specs and suppliers. The B759 is a very low noise Genalex UK made 12AX7, with matched triode elements. When that happens, the price goes up. jj 12ax7 tubes review

rcha6aois, pknwweyq, 8g665juhmx, t5pco8gnco, gkjxa6ohgi, mtiitxmu9i4pe, lhys12y1b, xmghy7qvko, p41mbnyy7xhgf, ap4mkb8xzzo3, xzro2jypdd, qepvdd8uoy, n0br4qcry9o, l6fyqbd, dabvkseleht0ij, kfi8dsm9acb7, mtjblay, zii2bpzg7r, 0a9kmfsfftta, pxaddas, yxgbezilrvw, dgjkcnfm, lvlk6rzpwwrrx, i7blt5zcl1q5jv, 2lip7bkgq0cq, zgmbik4o9bi, rrifbplju0z2i, seyzyospa, 3dbw6oa, mz1unjbklszer, bus44wjiu7u,