6v6 vs 6l6


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we recommend the 6L6 in the bigger (40W) Victorilux, which is the same AB763 circuit as the V-ette with more gas in the power section. 6V6GT TUNG-SOL. Nov 23, 2014 · ubermetaldood wrote:There is a 6V6 version which I have played, and if you really insist on avoiding 6L6's, the 6V6 version is a better choice than EL34's in my opinion. 5881 vs. Guitar amps are so much more than the sum of  12 Nov 2013 Also, in my review of this amp at my blog, I'd mentioned how the ability to swap between 6L6 and 6V6 valves in the power stage of the Lazyj  29 Jun 2018 Gear Talk - Power Tube Comparison El34 vs El84 vs 6V6 vs 6L6 vs 6550 vs KT88 (Reussenzehn) - Duration: 26:13. Specifications, pictures, technical information. This is thanks largely to Fender’s seminal ’50s tweed Deluxe and mid-’60s blackface Deluxe Reverb, but also in part the many great Gibson amps of those eras, such as the GA-20, GA-30, and GA-40 Les Paul. This is my first successful vacuum tube project. The 6L6's are a direct plug in replacement for the 6V6's IN THIS CASE ONLY, but do require rebiasing. We also keep the simple tone cut bringing the least complexity, integral in keeping touch sensitivity and transparency. Currently I have a 6L6 that is so fat that it just barely fits. As manufacturers Have you ever wondered about the difference between the 6L6GC valve and the 5881 valve? 5881 vs 6L6GC Valve/Tube. In push-pull tube amplifiers 15W is typical. US $56. Even love em in "single pot mode" such as in Champs and the various Valco/Supro amps, lovely guitar Mesa® 6L6 STR 440 Duet (matched pair) Currently shipping in MESA/Boogie® 6L6-based production amplifiers. When it comes to tone, they do have a big impact. _____ The 6L6 vacuum tube or thermionic valve was one of the most iconic valves ever produced. Nothing wrong with it, just i prefer the This 6V6 has the standard rugged construction we’ve come to expect from JJ which allows it handle much higher plate voltages than the typical 6V6 tube. yawn however the 6v6 is in a different ball park Precision matched on our Amplitrex AT-1000 and Maxi-matcher units, just enter qty 2 for a matched pair within 1-3 mA. The 6L6 was the first beam tube released by RCA in March 1936 and the 6V6 in January 1938. The output of this small amplifier in which a 6V6GT output pentode is connected as triode is about 4. A short article on 6V6 and 6L6 6V6 and 6L6 output valves and what to do not to let your audience down at a gig. Feb 20, 2013 · Re: TSA15 vs TSA30 (aka 6V6 vs. BEAM PENTODE 6L6GC is a beam power pentode with an octal base and power of 30W for use in 6L6 amplifiers. After that it was a constant bath of 6L6 articles. the change in current. Get a low price and free shipping on thousands of items. Add the 6L6, and you're drawing about 1200mA, which is an increase of only about 30 percent. Shop Groove Tube 6L6 Russian Amp Vacuum Tubes from AMS with 0% Interest Payment Plans and Free Shipping. EL34's have a darker tone, the break up alot earlier than the 6L6, and their overdriven sound is radically different than a 6L6. This valve was mainly used for audio amplifiers. Many Fenderish amps utilize 6L6 tubes also like Zinky, Rivera, some Boogies, Dumble, etc. While the 6L6 has the same pin diagram and basic characteristics with higher plate dissipation, it is not always a drop in replacement and results may vary. Unlike the EL34 power tube, 6L6 tubes generally sound a little cleaner and tend to have a bit more beef in the low end as well as more bite on the top. Groove Tubes GT-6V6-S Medium Duet Amplifier Tube. The 6L6 may be used in most 6V6 audio applications if the heater supply will handle the increased current. The metal 6L6 was the tube of choice for the calibration standard, for many tube tester manufacturers. At Tubes For Amps we stock a variety of current production 6V6 tubes in singles and sets of 2, 4 and more. Things get louder and they use 6L6's, right? And the british side use more EL84's, with EL34's being their bigger brothers. Hey folks. There are several in the sequence as manufacturers gradually improved it over the years and discovered new ways to push the tube to higher powers. ALL of my vintage 6V6 tubes have the full octal base, with the black bakelite going up one inch on the sides. Well, that's because they are a 6L6. They are suitable for just about any style of music whether it be rock, blues, jazz, or metal. The JJ KT77 is a drop in replacement for almost any EL34 type tube amp for a little different flavor. Some draw more current than others but they all work well. Jan 16, 2007 · Unless someone has been around for the past couple of decades, they won't realize how rare 6V6's had gotten at one time. - 6L6 should have a little more clean headroom and a tighter bottom end while having a mild scoop in the mids. 12 Journeyman 5 years ago i don't know about the Tung Sol 6L6 or 5881, but their 6V6 won't handle the voltages in Fender amps. ) I also wanted a good performer sonically. Tube Data Sheet Locator. The amps are 90´s carvin x amps. However, Fender has always been the springboard for most amp Jan 31, 2002 · Cathode vs. Twins, Deluxe Reverb (6V6 & 6L6), Tweed Deluxe, et al, have that similar tone going. Nov 16, 2017 · Anyone have experience with the Tung Sol 7581a vs. Get the guaranteed best price on Power Tubes like the Groove Tubes Gold Series GT-6L6-R Matched Power Tubes at Musician's Friend. Presuming the Groove Tubes 6L6GE IS in fact a longer-life tube as it should be, that should make up for the difference in price if you’re looking at it versus say the Svetlana. S. All the major brands are covered Groove Tube GT-6L6-R Russian Amp Vacuum Tubes. I explained to the buyer I hadn't yet tried this, but I felt the differences would be: 1) Minor increase in Mar 21, 2007 · Opinions on Russian 6P6S (6n6c) 6v6 Tubes. Feb 21, 2006 · Common misconception that a 6V6 is higher output than an EL84 The 6V6 is a 4. Jan 05, 2010 · 6V6 Power Tube. Jul 13, 2014 · 6v6. 6l6's have more clean headroom (higher wattage tubes) that break up at higher volumes. Notes on single 6L6GC transmitter w/0D3A regulator, and 5U4 power supply. 99 $ 59. a 6L6 for a 6V6, since the circuit will be set up for the lower dissipation - no worries (apart from pin connections, heater draw, &c). Although Fender is best known for their 6L6 tube amp designs, they have had huge success with the Champ, Princeton, and Deluxe tube amps that all use 6V6GT output tubes. Were the 6V6's from a good batch, or could they be NOS >Russian 6V6 equivalents which Sovtek purchased and relabelled as >6V6's? That's possible, they've done this kind of thing before, eg:, I've seen Sovtek 6N1's and 811's with 1970's date codes. You may even find some esoteric amps using 6V6 tubes (another 18 watt favorite). EL34, KT66, KT88, 6L6. A Comparison of Current Production 6L6GC Tubes. I highly recommend these tubes! I've been wanting to make a couple 'Small Amp VS Big Amp' videos for a while and I decided to make a Laney one first. 6L6 vs. com. So I built out this simple jig. The output impedance of a power tube (or any active device for that matter) is defined as delta V / delta I which is the change in voltage vs. They have a midrange shape that's closer to EL34's, more low-end and definition than EL84's, and sound as good as 6L6's for clean an crunch sounds in my opinion of course. We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. The question is this. 6F6 and 6V6 are not entirely comparable, and my understanding is that RCA developed the 6L6 beam power tetrode primarily to circumvent the Philips' Pentode patent and thereby avoid paying the licensing fees. 6V6 tube defines the classic vintage Fender amp sound. Lothar's Guitar School 5,566 views. This isn't a vs thread, as that's a matter of preference. The Chinese 6V6 seems to favor the Strat a bit more, while not depending on a particular amp configuration. What you've discovered is the difference between two families of tube architecture, the Power Pentode (EL34, 6CA7, EL84) vs Beam Tetrode (6V6, 6L6). As I was sitting up at the front counter, perusing through the local entertainment publication, a coworker walked up and interrupted my reading with what quickly turned into a point of animosity between us for several years. จัดส่งฟรี. I heard a 6V6 Magnavox amp driving a coaxial 15" Jensen speaker in a system from the early 50's. The solid state rectifier will boost voltages in the amp which will increase 6L6 anode diss 30W 6V6 anode diss 14W You can substitute a valve with a higher anode rating for a lower one, i. And, although the The 6V6 receiver type of beam tetrode with which it shares pin connections is a derivative. 6v6 vs EL-84. Comparing 6v6 tubes with EL-84 tubes, some general observations can be made: – 6v6 tubes usually give darker, more compressed tones while those made with EL-84 tubes are usually brighter and more lively. EL34 is a common Marshall power tube for those who want a British crunch and 6L6 tubes are in some Marshall & common in Peavey & Fender amps (for example, the Peavey 5150 runs 6L6GC tubes). 6V6, KT66, 6L6, 5881, 6550, EL34 using the same Fargen Min Plexi Mk2 and 1968 Marshall 4X12 1982A with a 2010 Gibson Les Paul 1957 Reissue Black battery powered tube amp 6v6 A battery powered tube amp. For this reason, I've replaced the 6V6's by the 5881. EL84 vs 6v6. Standard black base. Tubes require octal socket and may be mounted in any position. I have seen a few personal pages where people have 6L6 tubes in a JCM 800 50 so I can't give you an answer about the differences in tone you can expect from a 6V6 vs an EL84 (or 6L6 vs EL34) but I want to point your attention to this A 6V6 (6L6) tube has a lower sensitivity (Mu or mA/V or Siemens if you prefer) Mar 18, 2020 · 6V6 Tube Review . We literally have thousands of customers now using the JJ 6V6's in their Fender Hotrod Deluxe and Deville amps with great success since 2003. 6L6's are great for clean tones. 6L6 tubes and how to decide between them. These are NOT the later 1970s "coin" or "wafer" base which are considered inferior by many. Made a comparison video between EL34 and 6L6 tubes after I had installed bias pots in the amps. The Sovtek EL84M is the military version of the EL84. Learn more about Fender electric basses. A 6L6 Modulator article from 1936 The 6L6 wasnt released to general sale until late 1935. Nov 22, 2010 · Are you sure its using 6v6's? I'm a complete amp tech noob too, but i think its usually the 6L6's that are swappable for the el34's. El-84s are great tubes but sound little like the 6V6 or 6L6 found in most vintage Fenders. What you are hearing in the Rebel when you go from 6V6 to EL84 is the real difference in the sound of those two types of tubes. Jun 29, 2018 · Gear Talk - Power Tube Comparison El34 vs El84 vs 6V6 vs 6L6 vs 6550 vs KT88 (Reussenzehn) - Duration: 26:13. We are all things tubes, Guitar amps, Bass amps and Hifi amps. After the U. 5992 6L6 Vs 6V6 Tubes Combo amps. The true 5881 amps like the Bassman were more mid-rangy. They typically have a bit more highs and lows over 6V6s. For the 6550 type, Tung-Sol has a good reputation. > >The reason for not using 6V6s in 6L6 amps has to do with the > >impedance of the output transformer – it’s typically too low for > >6V6s & they draw too much current at full scream & die. Don't ask me to describe it - I've never build a 6L6 amp, so I'm not really familiar with them. A. Ratings are the same as all 6V6's: 6V6GTY: Same as 6V6GT, but has low loss brown micanol base. The Power Pentodes can sound quite nasty (relatively speaking) due to how they produce third-order harmonics. Single Ended Class A 6V6 6J5 Valve (Vacuum Tube) Amplifier Circuit. The EL34 is a pentode, while the 6L6, which delivers a similar range of power output, is a beam tetrode which RCA referred to as a beam power tube. This is one reason the Deluxe and Deluxe Reverb get dirtier at lower volume settings than the 6L6 AB763 amps. 6V6's are a lot like EL34's but smoother. The eq is flat, and setting is set to 5 ( or 12 o´clock)the gain is set on 3/4 YouTube - carvin x100b el 34 vs x50b with 6l6 power tubes 6L6's have a higher amplification factor than EL-84's, so they would (if both are run at a similar percentage of their specs) be a bit louder. EL34's break up earlier and sound gritty. Has anyone of you had the chance to compare amps with 5881 and 6L6 GC power tubes? It terms of tone, not power or anything, just tone. The differences become even more noticeable when the tubes are pushed into O/D and distort. The 6P3S output beam tetrode are miniature devices enclosed in glass bulb and are provided with a octal (8-pin) base, rigit leads and an indirectly heated oxide-coated cathode. e. Jan 26, 2015 · My friend built a similar amp based on the EL-84 and I have heard both. 3 watt output while the 6L6 has 8 to 10 in class A. You already have the best 6V6 on the market right now. Dec 11, 2013 · 6l6 tubes should be a bit fuller sounding. They also have a deeper thump and breakup earlier than 6L6's do. This excludes "monster" type one-tube transmitters using a 6L6, 6146, or TV sweep tubes like a the 6DQ5, 6CU6, and 6DQ6. Also a miniature glass tubular version the 6V6GT. EL34. May be used in any applications calling for 6V6 power tubes. Beam tetrode power tube known for its sweet, warm tone. It is a newer, revised version of the TAD 6L6 GC-STR (I reviewed the WGC, a slightly different tube). A possible spanner in the works for using modern tubes is that Jansen designed these amps to run the Some, but not all, were versions of existing American beam tetrode tubes or European power pentodes, such as the KT66 (6L6), KT77 (EL34 and 6CA7), KT88 (6550), and KT63 (6V6). Dec 26, 2011 · 6V6 vs. produced GE tubes are perhaps the most long-lasting of all tubes when comparing the major power tube types (6L6, 6550, 6CA7/EL34). Many handbooks don't mention the operating characteristics of single 6L6 or 6V6 transmitters, so let it be known that a certain "touch" is needed to tune these. The KT66 tetrode is the European  I can get my hands a good looking PP 6L6 amp. Someone else I know, an amp technician, says that the 6AQ5 is a television tube and that it's far too linear in response to be a good, musical guitar tube. The 6V6 certainly has it's place though. 6l6's and EL34's are not on the menu. Description. Any tube with the "Y" in the suffix denotes the brown base. Watford Valves, one of Europe's leading suppliers of tested, graded and guaranteed valves to the professional music industry. MESA 5881 STR-425 is a military grade 6L6 that was designed with an emphasis on rugged durability and consistency, capable of handling high voltage requirements - It produces a thick, rich tone with tapered highs that lends itself to styles of jazz, fusio A pair of 6L6s in one of our power amps can produce up to 50 watts when used with a silicon rectifier, as found in the Titan. After installing thousands of tubes, here are my two top picks and why. 1 omitted. 6V6s are also beam tetrodes, and basically a scaled-down version of the 6L6 - - 6V6 vs EL84 for output IMO 5V6 sounds a bit "coarse" or "unrefined" in comparison, iow, it sounds similar to the 6L6. The Marshall 18W less so, though. The 807 was based on the RCA type 6L6 beam tetrode, which had a long, fairly thin, anode and a carefully-aligned grid structure. Compare the tetrode version of the 6CA7 with the pentode version EL34/6CA7 for a fairer comparison. puts out, and were described as part 6v6 and part 6L6 in terms of their tone. The tech i talked  6L6GC valve versus the 5881 valve. Back to top My experience is that 6v6's break up earlier, you get some nice warm dirt with them even at fairly low volumes. I really don't think this OT is big enough to handle 6L6's or the 7591's it came with. ” This design worked well, and since the 6L6 is a “beam power tetrode,” it evaded the Philips patent on power pentodes. Although power pentodes and beam tetrodes have some differences in their principles of operation (the beam forming plates of the beam tetrode or fifth electrode (3rd grid) of the pentode, both serving to hinder the return of unabsorbed electrons Apr 03, 2018 · In 1936, RCA developed the 6L6 beam power tube shown in Photo 1, in which Harries’s innovation was accompanied by replacing the suppressor grid with “beam-forming plates. I find the 6L6 based amps kind of scooped sounding, at least the later Blackface Fenders. 6V6 The tech i talked to says 6L6's cost less than 5881's, and are the tubes my amp would've come with stock so that seems like the logical decision for me. Having said THAT, we no longer make many 6L6 Victoriettes. With it's top-end sparkle and clean headroom, there is a reason the 6L6 has had one of the longest active lifetimes of any electronic component. I preferred the 6L6 amp based on it has tighter and more controlled bass response. JEMOSA Convert Tube Socket 807 FU7 FU-7 Vacuum Tube TO 6L6 KT88 Electronic Tube Jan 26, 2015 · My friend built a similar amp based on the EL-84 and I have heard both. In single-ended tube amps one 6V6 output tube can produce about 5 watts of power. Svetlana makes a great 6L6, and JJ Electronics and Mullard have excellent EL84s and EL34s, respectively. Getting back to the original question, the 6F6 is the older design and is an octal version of the 1932 42. 6V6's break up sooner because they have lower maximum power output than 6L6's. The buyer wanted me to use 6L6 tubes, not the 6V6 that come standard. In fact, if you insert a cathode follower stage between the driver and the power stage in a 6V6 amp you can taylor operation and frequency distortion in a multitude of interesting ways. The El-84 does sound sweet and is a favorite of some of his audiophile friends. The 6L6 first appeared before the Second World War, and was widely used in many applications, especially in audio amplifier, finding particular favour in guitar amplifiers. The impedance is too high for the 6L6, but in this For use in most 20 to 100 watt amps which use 6L6, EL34, 6550 or 6V6 output tubes. In BF amps it's the same AA763 and AB763 circuit just 6v6's vs 6l6's and 1x12 vs 1x15. Opinions on the sonic differences vary quite a bit so this should be the ultimate test! TubeDepot carries a selection of 6V6 Compatible Power Vacuum Tubes. Let's take a 6L6 for example. General opinion is the JJ 6V6S sounds more like a 6L6 than a traditional American 6V6GT, but I wouldn't trust any other 6V6 at those plate voltages. In a single ended amp designed conservatively for the 6V6 a 6L6 probably will work fine. This high quality beam tetrode tubes used in output stages of low frequency amplifiers. Found in 6V6's packaged for the military. They have less bottom end and more chime. Even extreme adjustments of bass & treble fail to make this amp/preamp sound out-of- control. 15 Jan 2009 The four most common output tube types are the 6L6GC, 6V6GT, sixties and seventies most often carried 6V6 tubes, which are known for  9 Aug 2007 6L6 vs. yes, 6V6 has been around about as long as its big brother 6L6. I feel that our Victoriette is best represented with 6V6’s, which kinda combine the attributes of the 6L6 and the EL-84. The best prices anywhere for 6L6, 6L6G 6L6GC, 6L6GT, 6L6GA, 7027, EL37, 6L6GB, 6L6GCR, 5881, and KT66 kink-less tetrode version of the 6L6 tube. With superior headroom, higher voltages and much larger transformers, the 6L6 power amp delivers far more punch and clean headroom than the 6973-based power amp. 6V6's should not be put into a 6L6 amp! Go here to read more about tubes. Why not use a big tube like a 6L6 and get lots of output? One of the most important things in obtaining good keying and a good CW note is to keep the crystal current as low as possible consistent with adequate output. However I've got the impression that the output transformers are relatively small and have  EL34 KT88 6L6 6CA7 6V6 5881 6550 KT66 KT100 KT120 สูญญากาศ Tester เครื่องขยายเสียง BIAS Current เครื่องมือวิทยุ Preamp mA รุ่น T1. It's the tube Ampeg switch to in the '60's to get more "umph!" Than the 6v6's they had been using. However, if using an LP, these two tubes sounded best in a Blackface configuration. In other words, it deals with the output transformer, as well as speaker. The tube you would probably want to experiment with is the 7591 EXCEPT it uses a different pinout. The 6AQ5 is a lower power 6V6 in a 7 pin package used originally in car radios, and the 6L6 is an upgraded 6V6 with higher voltage and higher current. I think that a pair of 6v6's will only put out about 10-20w (hopefully someone more knowledgeable will chime in). Carl. I like 6v6's a little more. 5 watts. I may be wrong. ANOS Genelex/GEC KT66 1. The impedance of a 6V6 is about double that of a 6L6 so speaker load should be doubled also if you're using both with the same output Jan 01, 2008 · In fact U. Current production 6V6 tube information. The 5881/6L6's failed individually as this amp is a single ended design with only 2 tubes, a 12AX7 & a single 6V6 or 6L6 and is solid state rectified using just 2 diodes. They also tend to be a bit crunchier when pushed. The 6V6 and 6V6-GT are equivalent in performance 6L6 comparison chart. While the 6v6 and EL84 are both smaller tubes, the 6v6 gives a completely different tone than the EL84. K. Otherwise, there was a Chinese small-bottled 6L6 which was relabeled 6V6, but didn't count. 99 $69. The 6F6 can be considered obsolete and has higher distortion and lower efficiency than the 6V6 which was designed to replace it. EL84 tubes are common in the Marshall 18 watt amps and in VOX amp designs. Have you ever wonder what the difference is between each of the 6l6 tubes, have a quick look at this chart to help you see what the differences are as it just might help you choose. Gandhi Cathode Bias vs. A pair of 6V6's running in Class AB fixed-bias pentode push/pull have a maximum continuous output power of around 15 to 20 watts, a pair of 6L6's under the same operating conditions can put out a continuous max of about 50 to 60 watts. Mar 30, 2008 · The rated filament current for a 6V6 is about 450ma, and the 6L6 is about 900, but you have to remember that the tranny is feeding all of the tubes, so at 300 per pre tube, 150ma for the light, and 450 for a standard 6v6, you're drawing about 750-1000ma. 6V6 is a a smaller brother of 6L6, and provides good amount of pop and sizzle. Same Ratings as all 6V6's: 6V6GT: Most popular version. Can I assume that the 2 diode setup is what would be referred to as a "1/2 wave" rectifier, as opposed to a 4 diode "full wave" rectifier? The 6l6's in push pull mode, driven by triode tubes (variations on the "Williamson" circuit) makes for an audio slice of heaven, at least to my ears. Tested using the state of the art Roetest professional tube testing system. I am sure from the video, you'll hear that it's very detailed and well balanced. I don't have a LOT of experience with tube amps but the OT seems more like what I would expect to see in a deluxe or something 6V6's. i am searching for a pair of:- el34- 6L6- Kt66- 5r4please send pic and price, thanksAlso?- EL34, 6ca7, 6l6 and kt66- 5Z4PJ or 5r4- 6n9p or 6sl7 So in theory they should be very similar. If the amp is designed to run different tubes its easy to run>>EL34,5881,6550,6L6,6550,KT88, 807. Nov 15, 2017 · 5 6V6-Powered, Low-Wattage Tube Combos FOR MANY PLAYERS, THE 6V6-POWERED 1X12 CLUB COMBO is an American classic akin to mom and apple pie. Logged which will give the 6V6's a load they'd probably be happier with. $ So this is the second of my ultra linear bias optimization studies. Rule of thumb for push-pull is 3 x the SE value. The 6V6 is a beam-power tetrode vacuum tube. The MESA® 6L6 STR 440 is our very best overall, premium grade, USA equivalent 6L6, and our tube of choice in the production of all new MESA 6L6 powered models. Yellow Jackets® tube converters allow EL84 power tubes to be used in place of the most common guitar amp power tubes, including 6L6, EL34, 6V6, 7027, 6550, and 7591. 6L6 Metal Tube Tester Calibration Tube, Various USA brands, military and standard metal types. Light "Cowards can never be moral. 16 Jan 2007 6V6 is a lower power tube (my Deluxe Reverb is 2x6V6 and it's 22W, most 2x6L6 amps are usually around 50 or so watts) and it's supposed to  1 Jan 2020 What's the difference between Revv's 7-40 and 100R? This opens up an entire can of worms. From memory the 6L6 was rated at 30 Watts with 500 Volts on the plate as a Pentode, so the 6V6 is around half the power. Let's assume that the tube has a quiescent operating point of 300V and let's assume we swing +/- 100V around that point. The 6L6's are going to give more bass than the 6V6's. 6L6GC, 6L6GB/5881 and KT66 Tubes Different Power Ratings. . Can I do this? A: We do not recommend that you try this sort of thing unless you are positive you know what you are doing. It certainly is my personal fav, but there are lots of great amps out there that use EL84 and EL34 tubes. 6V6 with Shawn Tubbs Only the USA made vintage 6V6 tubes will do. Apr 20, 2020 · Be careful of anode voltage where the max voltage allowed can be very different between things like 6v6 and EL34. Generally with these tubes the apparent level is similar up close to El34's and 6L6's but 6V6 amps don't have as much throw. Screen grid Another fine  14 Nov 2019 In the latest instalment of his amp-advice column, Rift mainman Chris Fantana deals with the hot topic of bottle swapping. I will briefly provide a technical explanation and then provide some bullet points of the major differences in tone, maintenance and power. Jan 15, 2009 · Amp DIY • DIY • 6550 • 6L6 • 6V6 • EL34 • EL84 • KT66 • February 2009 Everything You Ever Wanted to Know About Output Tubes Everything You Ever Fender has been using them since the 1940s and since then there have been many others who have designed hugely popular tube amplifiers that rely on the 6L6 tube types for their tone. 6L6GC - 7027 A A. Type 6V6-GT may be supplied with pin No. Q: I have a guitar amp that uses 6L6 power tubes, and I would like to try KT-66 and 5881 power tubes to hear what difference it makes in tone and volume. DIYTube is both Shannon's small business located in central Illinois and a close-knit forum featuring a handful of helpful and prolific members. I broke down and added another power tube (Tung Sol 7581a) to my collection. $59. Guitar Tube Tones - 6L6 vs. That’s > >also why putting 6L6s in a 6V6 amp does not significantly raise > >the wattage. We deal in JJ Electronic tubes, NOS tubes, capacitors, speakers and bias probes The Atomic Jr has two driver/preamp tubes comprised of one 12AX7 and one 12DW7 feeding either a 6V6 (stock) or 6L6 family power tube. I think they are better for metal amps over 6v6 100% Since 6L6 tubes are a step up in tolernace, the tubes themsleves will be fine with accepting the amps plate voltage (unless you have JJ 6V6s that can handle more plate voltage than your typical 6V6). This was to be done without changing the transformers. 6V6's are just weak in that area. Tung-Sol tubes are quite simply the absolute best. The object is to insure that the tube it working in its optimum range, a 6V6 should idle at something like a max of 12watts, while a 6L6 idles higher at something closer to 16 watts (these are not the exact numbers, there are data sheets that specify the correct wattage, but you get the idea). Like the 6L6, these type of tubes are also typically found on amps over 30 watts. If you're looking for a big change in tone, then this may be just what you're looking for. The MESA 6L6 STR 440 is a premium grade, US equivalent with rich, defined bass, tailored mids and a shimmering top-end to keep every note amazingly intelligible, with a smooth, creamy character. The TAD exhibits a bit more compression. As far as voltages go there will be some differences but we have the right guys here to help you out with that. I fo Last week I received an order for a Tweed 12 2x10 combo. The latter is more likely to cause issues as the 6V6 uses less grid bias. Posted on December 26, 2011 by Lil Dawg — No Comments ↓ This is another question that comes up quite a bit so let’s take a look at it now. We have found either work very well in our transmitters, with the 6L6 giving a little more output than the 6V6 with the same power voltages. In an 18w single channel amp aimed at blues/jazz playing which would be your valve of choice. But some  29 Sep 2016 6L6 vs. The 6V6G was of classic glass envelope shape. 3 Apr 2018 Photo 3 and 4: The 6V6 is basically a lower-power 6L6. 26:13. Powered by 12v into a smps making 200v b+ . The Groove Tubes HD functioned more like a 6L6 - with larger bass and a more "open" sound. The JJ 6V6 can even be used in place of a 6L6 in some amplifiers. - 6V6 should have a little more sparkle on top and a spongier bottom end. Re: 6L6's vs KT66's ^^ I also often run my JTM45 with EL34s. Premium structural quality provides exceptional consistency and reliability, Rivals NOS (New Old Stock) durability and sonic character. Any of the 6V6 USA made tubes I list here should work fine in any amp calling for 6V6 or 7408 outputs. 99 $69. 5881 vs 6L6GC Valve/Tube. 99 tube! This is a suitable replacement for any 6V6 = 6V6G = 6V6GT = 6V6GTA = 6V6GTY Pentode tube type. thetubestore. In any event, I really like both the 6V6 and the 6L6 in guitar amp application. Apr 19, 2012 · DIYTube 6L6 Clementine Single Ended Tube Amp Shannon Parks, owner of DIYTube, has made a number of projects available since 2003 when the DIYTube ST35 clone was made available. Where the EL84 gives a grittier, gainier feel and structure to the tone, the 6v6 has a sparkle to the top end and a chewiness to the bottom end the EL84 only has in its dreams. Valve number equivalents include 6L6GC, 6L6GCR, 6L6G, 6L6GA, 6L6GB. New old stock, original Box and whitebox. by Marc Johnson for TheToneKing. Amp is about 2 watts. Jan 15, 2019 · Besides 6v6 tubes, another hugely popular type of output tubes commonly found in tube guitar amps is EL-84 power tubes. While all 6L6 types are pin compatible with one another, some amps are designed only for the higher powered 6L6GC. Totally Tweed! The preferred OEM tube of '50s-era Fender Tweed Champ and Deluxe amplifiers The Tungsol 6V6 has a geometry designed to safely handle the higher voltages used in guitar amps – plus heavier plate and grid materials. This list is our current tube type, location and bias points for all of the Dr. The Preferred Series 6L6-GC (USD $29. Mar 28, 2013 · 6L6 and EL34, both popular power valves for guitar amps, but what is the sonic difference between the two? Here I take a Bugera 333 loaded with 6L6s and swap them over for some Tung-Sol EL34s. Click here to buy complete sets of tubes for your Z amps from The Tube Store. Dec 03, 2019 · 6L6, 6V6, EL34, anything that will fit. so now i know these are my options, i'm wondering what the differences in tone would be. 28 Apr 2016 Fender is famous for their use of 6V6 tubes on many of their iconic amps. He also says that the 6V6 is a wonderful tube-- so he loves that 6V6, hates the 6AQ5. Some have coin type bases. The 1614 and 1622 are premium versions of the 6L6 that are rated for maximum output and longer life. I think that amp has an approx. Matched sets are matched with the new Maxi Matcher 2 CALIFORNIA PROPOSITION 65 WARNING Questions about Guitar Amp Tubes? 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. R. 99. 6L6 Tubes . There's a pretty dramatic difference as to where the bias pot needs to be adjusted to, but both tube types can be adjusted for within the pot's range. Fender literally wrote the book on electric basses, laying the foundation for musical innovation and evolution. New & NOS power tubes from Electro-Harmonix, Tung-Sol, Phillips, GE, JJ & more! The 6V6 sound can be described as warm, and bluesy. I find EL84 amps to be more chimey than 6L6 based amps or 6V6 based amps. In my experience, the EL34 has a sharper more high-endy kinda sound. tube plants closed in the late '80's, the only real 6V6 made for years was the Sovtek, which was a poor tube at best. Free  The JJ 6V6 does not have the most NOS style character and sounds closer to a 6L6 but is pretty robust. There are significant differences in the sound produced by power amp tubes labeled "6L6" and "EL84" - and when shopping for a guitar amp you will want to consider these carefully according to the style of music you are playing. Power tube distortion exists and is a great thing. Chime city. Although the RCA 6L6 of 1936 (the result of a license agreement between RCA and M-OV) was the first true "beam power tube" on the market, the later KT66 became almost The 6V6 family came in many constructions and were very popular as the final audio stage of broadcast receivers. Jan 26, 2015 · The 6L6 tubes are a heavier duty tube than the 6V6 tubes. The classic examples are the Vox AC15 and AC30. We offer some of the most comprehensive testing facilities available today. It had a metal envelope which was popular at that time for use in radio sets since it was less likely to break than a glass envelope. Has anyone compared both directly with el84's in the classic? One thing i noticed about the special on the clean channel, was it sounded kind of thicker than any of the 100 watt mesa's with 6L6's i have had, mark v,road king 2 and LSC(from what i remember of the classic),royal atlantic(el34's or 6l6's). DO NOT INSTALL METAL 6L6 in any socket labelled 7027 until you have confirmed that there in NO B+ connection to pin 1! Otherwise B+ will show up on the metal case, ouch! Power tubes are responsible for powering the output stage in your amplifier. Z Amps. These tubes are compatible with 5881 and any 6L6. Updated March 18, 2020 I've been experimenting for years working to find the right mix of good sounding and reliable 6V6 tubes to stock here at the shop. While 6L6 tubes pioneered the quintessential “American” amp tone, the EL34 is known for the equally famous “British” sound. 95 each) is an in-house design from www. RCA introduced the 6L6 to the world in the 1930s. The Victoriette can be ordered with EL84, 6L6, or 6V6 power tubes. While 6L6 tubes pioneered the quintessential “American” amp tone,  to build 3 power amp sections: one for EL34 (2), 6L6 (2) and 6V6 (2) (rectifiers valve vs ss) virtual variac, with one PT and multiple options. Jul 31, 2011 · Basically what you are doing is changing your Deluxe Reverb into a 1x12 version of a Vibroverb. This one is for the 6L6 power pentode and, like the last one for the 6V6, is done for the 5kΩ plate load case. Small straight sided glass envelope. 6L6) Post by Jackie » Thu Feb 21, 2013 9:02 pm Tnx Surf, the guy responded to my offer with an offer which was a bit higher than I'd give, and I thought exactly what you did - if there's one pot on any amp that's important it's Gain and I couldn't live without it. Fixed Bias: What’s the difference? The terms cathode bias and fixed bias are often used to describe amps but lots of folks are not really sure what they mean. So, to unravel this, first let’s look at the various types of 6L6 valve. Eurotubes is a webpage for musicians by musicians. But somebody in another thread mentioned that 5881's will break up sooner, which is better for my style of music. RCA’s first version of this tube was an early ‘octal’ base tube. Modern prodction 7027A or 6L6 - can they handle 600v? 6L6's. May 29, 2010 · Grudge Match: 6L6 Vs. 6L6 This is the metal jacketed version of the 6L6 tube. Especially the 6V6 is very well controlled operating in grid conduction. The EL84 is a 6W bottle Wa 12W, a typical push-pull amp 17W, but it can be pushed over 7W, hence 22W Marshall. They have the same plate/screen ratings as the 6L6G/GA/GB. Avoid using older 1950's style 5881,6L6-GB, 6L6-GA, 6L6-G, or metal 6L6/1614/1622, those do not have the requisite plate dissipation rating. To most ears EL-84s are hard and harsher sounding tubes. The Vibrolux circuit was slightly different and had 6l6's and 2x10 speaker configuration. The first of this family of tubes to be introduced was the 6V6G by Ken-Rad Tube & Lamp Corporation in late 1936, with the availability by December of both Ken-Rad and Raytheon 6V6G tubes announced. In fact, with the upgraded Beast power supply it was hard to find a distinct difference between the 6AQ5, 6V6, and 6L6. It has a lot of headroom and a fat The JJ 6v6’s sounded every bit as good as those vintage tubes! I was always curious about the JJ’s as they can handle the high voltage the D. 2. All about Tung-Sol Vacuum Tubes. So I decided to use a 6SN7. Lothar's Guitar School  A 6V6 in a 6L6 circuit will typically run very low plate current, thus a power with a higher load than 6L6s (ie a 16ohm vs 8ohm speaker). Since doing the 6V6 assessment almost three years ago, I decided that I needed a more robust way to perform the task. But EL34's ARE NOT direct replacements for the 6L6. El-84 Power Tubes rather than 6L6 or 6V6 tubes. The Preferred Series is intended to improve on the TAD GC. Can they be switched tonewise So from what I gather, amps with the typical US sound like the Fender blackfaces use 6V6's. 90. (The current draw is a little heavier with the 6L6, but our power supply can handle the difference with ease. Generating less power than other power tubes, 6V6's generally distort earlier. In fact -- I would say it's allot more "in contol" than you'd year many other great(s) using 6L6 or 6V6 amp from an earlier time. However if we look at a popular amp such as the Vox AC30 which has four EL84’s in the output, the nominal HT voltage is above 300 volts by quite a way. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. ) can be a little cool in the UL mode and I wanted to preserve some warmth as this amp will be used mostly for soft jazz and light classical music. Tube and Bias Info. It had a warm sound with lots of midrange detail. The JJ 6V6 is one of the most solid performing, high-quality, 6V6 tubes available. 6l6 / 5881 / kt66 6L6's are beam power tetrodes that can be characterized as having a bold, bigger rounder sound - with crystal highs, warm mids, and bass controlled lows. If you are playing blues, country, southern rock and some rock music - 6L6's may be your best choice. ! (6L6, 6V6, etc) operate, the division of current between the screen and plate is pretty much constant. With it’s low µ and very low noise it fits the needs for this driver very well. Some Title: 6V6 6V6G 6V6GT Author: Tung-Sol Subject: JA-FP-2005-11-06 Created Date: 11/6/2005 11:41:14 AM I think the 6v6's would be my tube of choice. It just takes a little practice. Apr 27, 2018 · It is believed that by simply changing power tubes you can make a Fender (6L6 power tubes) sound like a Marshall (EL34 power tubes) or a Vox (EL84 power tubes). The EL84’s are being over run in these amps! Fender do the same but the over run margin is less. EL34 Tubes. It has the same “California” or “Tweed” kind of tone most often associated with Fender amplifiers, but it uses less power and is a lower priced tube. The negative feedback circuit is identical in the 6V6 and 6L6 AB763 amps so the lower voltage supplied by the 6V6 power amp leads to about 25% less negative feedback than the 2x6L6 amps and 47% less than the 4x6L6 amps. Another option is to swap your 6L6's with EL34's. Like its reputation suggests, EL34 tubes can be found on many legendary British amplifiers including those from Marshall and Hiwatt. How about the difference between that classic, For example, the Sky King (6L6) and Imperial (6V6) are quite similar in  20 May 2010 6V6 6L6 7591 KT66 were and are lower power octal based power valves that pre -date the 6CA7, KT88 and 6550. Post by Freddy » Tue Aug 10, 2010 9:27 pm. This one is all about the Laney IRT Studio which is a 15W amp with an EL84 power section versus the Ironheart 60W head with a 6L6 power section. Several people have mentioned that the 6AQ5 is functionally a 6V6 in a smaller envelope. Actual power depends on HT (B+) and There is not a lot of difference in the bias requirements at 250V between the 6F6 and 6L6 and it is not uncommon to see a 6L6 in a 6V6 hole. The 6V6 family (6V6, 7408, 6AQ5, 6005, etc. , Articl on history of these two valves. 5W bottle Wa 10W, a typical push-pull amp about 12W, can be pushed higher. F. The biggest thing to worry about with regard to 6L6 vs EL34 is that EL34's draw more plate current, so you need to be sure the amp was designed with a beefy enough transformer that it can supply enough current. Hickok even sold one as an accessory part with it's own part number. " M. Feb 19, 2009 · The 6L6 and 6V6 share the same pinout and are compatible in equipment specifically designed to use either one. We chose to only stock the 6V6 version because not only do we like it better than the other, but so does Mark at Victoria. What's the difference in tone and feel between the 6L6, EL84, and 6V6 Victoriette amplifier? The main difference Metal type 6V6 and glass octal type 6V6-GT are used as output amplifiers in automobile, battery- operated, and other receivers in which reduced plate-current drain is desirable. 6V6. 6L6, 6V6, or None of the Above! tubes for the JCM 800 as either 5880 or 6V6 tubes. Plate current biasing. Figuring out which power tubes will hit that sweet spot is a matter of trial and error, but there are a few especially popular tubes that make a good starting point. The 6550/KT88 are big brothers to the 6L6GC. Originally designed to be used in less expensive consumer radios, the 6V6 tube is just a scaled-down version of the 6L6. Redplating could also be caused from the bias cap in the amp. Also, they have a different sound. This is not surprising since they all have very similar construction. Just $59. We have the original American rugged metal valve produced in the mid 1930s and subsequently used for military designs. The 6L6 employed rapidly-accelerated electrons and short electron paths. 6v6 vs 6l6

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