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6550 vs kt88. KT88 cost a bit more than .

  • 6550 vs kt88. Jul 2, 2016 #1 Jun 9, 2014 · Genuine KT88's can handle 100K on the grid, just check the Rating's for current production and the 6550 and KT88 recommend max of 50K. 6550관 역시 순수 오디오용으로 개발된 Oct 17, 2020 · EL34 - 6550 - KT88 history & 6550 vs. The tubes I used were winged C (KT88, EL 34 & 6550) and Sovtek (6550). Mar 3, 2018 · Seen a ton of threads praising the KT120 over the 6550 or KT88. KT88 w/not much of a shootout. I still preferred the KT88 over the 6550 in Marshalls, but the differences between the two weren't as pronounced in those amps as they were in the UL or Diezels. I think as far as he is concerned the only output tube that exists is the 6550. However, less than 10 hours one of them had a spark of fireworks in it and shorted the fuse. As mentioned prior, the A3600 benefits greatly from using the KT120. Also, are there any over arching tonal differences between 6550 types and kt88 types? Apr 26, 2001 · KT88's can take higher plate voltage and dissipate more wattage, so they are more powerful (in the right circuit). Loudspeakers used in the video are Qualio Audio IQ speakers - https://www. I think I like them better. I heard KT88s are in general not as reliable as 6550. Each tube type sounds better in the amps that were designed for them in the first place. Oct 25, 2009 · In the 6550 vs. Subscriber. Oerets AK Subscriber. Oct 15, 2023 · The KT88 / KT66 /6550 Directory. They all will sound decent and give you plenty of pleasureable hours of listening. KT88's can stand a little more voltage than 6550's and *may* be more durable in amps with a very high B+ voltage. Going the other way, stretching a smaller power supply to run bigger tubes is going to cause voltage sag, which gets worse the more you ask from the amp. Jul 6, 2010 · The main difference I heard in the Marshalls was just more headroom when swapping back and forth between 6550/KT88 types to EL34s. Red Plates may occur. Generalization: KT88 maximum Rg 270k / 100k fixed bias; 470k / 220k self bias. 6550s just work. Just nice, tight bottom, with absolutely perfect tracking up through the frequency range. Jul 27, 2006 · I like uru975’s post,, the YT vid did seem to show the 6550’s has a upper mid/high FQ clarity/sparkle that the KT88’s lack. I have three amps that use the KT88/6550 and I won't use the 6550 in a Citation II but will in my NOSValves VRD mono blocks. May 27, 2011 · 1. After studying the pictures of the 6550 vs the kt88 and assuming the bottle was/is the same shape, I was almost sure that the plate structure of the kt88's looked closer to the outside of the glass envelope than the 6550. EL34 vs 6550 vs KT88 vs KT120 -- SOUND TEST with High End Open Baffle Speakers. KT88 cost a bit more than Mar 27, 2006 · KT88's and 6550C's in several different amps. Not by much, maybe 5 or 10 a tube. 6550's are more stringent feeling whereas KT88's are softer. Some amps rely on preamp distortion and KT88's work well in these amps but KT88's sound like shit when they break up. So far I have tried the Tung Sol and the JJ. . Some run the tubes harder than others. Feb 23, 2019 · KT88 vs 6550 tubes. Jul 21, 2024 · The reason i bought my kt120 when i did, they cost less than a kt88 or 6550. Thread starter purejazz; Start date Jul 2, 2016; P. They are interchangeable and can be used without any hesitation. Is this true? The KT88 and 6550 are two styles of beam tetrode power tubes you’ll find out there. THe affect on the frequency response is not even noticeable. E34L a little more than EL34. Nov 9, 2022 · kt88 진공관은 일단, 고전적인 출력소자인 진공관 중에선 반도체 시대에 개발된 kt90과, 오디오 용이 아닌 송신용의 211, 845관 그리고 구소련의 미그 25의 정전압관으로 사용된 6c33b관을 제외하곤 출력이 가장 센 진공관입니다. With this in mind of the 3 6550/KT88 types I have played with in my amps - and from what I have heard from others - the JJ Electronics KT88 (copy of the Tesla but with some mods as I understand it) are about as good as it gets for non NOS stuff, sonically speaking. Not many play loud enough to get them to break up so mileage varies. Also the most common electrical circuits are given for KT88 and 6550. i had minimal amount of time to mess around with my rig, and as i'm using something like 18 pedals front-ended on this beast i will update as i get another crack at some studio time with this. 2. Feb 25, 2016 · I've got Psvane KT88's, TAD KT88's, and the TungSol KT120's. These replaced my Winged C 6550s in the MKIII. At the very least they draw more filament current than KT88s. Looking at eh 6550 vs kt88 Hi Tubelab Thanks for that. One of the best things about the KT88s is their maximum power output and strong, aggressive sounds. Feb 21, 2010 · An EL34 has just as much low end as a 6L6, 6550, or KT88. Have not tested KT66s yet. com 影音俱樂部 Apr 20, 2020 · The bias "range" between the 6550 and KT88 is virtually identical,so your amplifier will be able to accommodate either type. Oct 17, 2020 · The KT88 spec is 800v / 600v maximum, whereas the 6550 spec is 600v / 450v maximum. Tube roll a 6550 into a KT88 socket. It isn’t used in guitar amps as often as it is in hi-fi audio amps, but that being said, I know a few guys who totally swear by the KT88. KT88's cost a little bit more than 6550's. KT90 and types and brands exist, and what you can do with the this tube. their SED 6550 counterparts. Feb 7, 2013 · tonally, the 6550's do vary from the kt-88's in my amp. If wanting a good all around the Tungsol 6550. Impossible, as they voice near identical. Jul 8, 2004 · I'm told that the KT88's are more musical while the 6550's are more punchy. May 5, 2021 · Black Ice F22 - EL34 (55w) but can run 6550/KT88 (65w) and KT120 tubes as well From my research (accepting that these are very broad characterizations) the EL34's strength is the mid-range while the KT88/6550 has more power and a broader range but maybe slightly at the expense of the EL34's excellent mid-range. I've researched the forums quite a bit over the last month or so and even asked the question to Kevin Deals gatekeeper @ Upscale Audio his response was that there was little to no sonic differences between the two. Jan 3, 2019 · A local fellow had some cheapo KT88s that he took out of a low hours new amp he had. But you can now buy the KT120, which has specs of 850v / 600v. Apr 23, 2010 · Like all things audio, tube preferences are personal The first issue to discuss is 6550 vs KT88. purejazz Member. Its likely my fav KT88/6500 variant. It might be true that most new KT88 designs are really more similar to 6550. Mar 12, 2000 · Warm, euphonic, less control of the bass frequencies, etc. qual May 24, 2013 · For around 35-40 a piece you can get Gold Lion KT88, EH 6550, EH KT88, Shaguang KT88, Tung Sol kt88, all of those are "good" tubes. I use the ehx 6550's because they handle high voltages very very well and I'm running a 200 watt sunn clone. Jan 20, 2023 · Amplifier - Tsakiridis Aeolos tube amplifierLoudspeakers - Qualio IQ - https://www. It is likely amp dependent upon which tube sounds better. Nov 5, 2021 · Some of this depends on what amp they are in. Jul 2, 2016 · Sovtek 6550 vs tung sol vs Sovtek kt88 vs EH 6550. But I have only used 6550's in my svt's. Jul 24, 2022 · For 6550's, my recommendation would be to go for the EH 6550's. To test out this hypothesis, I replaced the two JJ Teslas in my amp's left channel with my usual E-H 6550s. (At Plate+Screen Dissipation of 35W / >35W respectively). However, swapping out a tube is more than plugging it in. The purpose of this KT88 / KT66 /6550 / KT90 / KT120 article is to give an overview about what KT66, KT88. The JJ were inoffensive but undistinguished, while the Tung Sol have more low end punch, and good all around sound. Re: KT120 vs 6550 / KT88 « Reply #19 on: 18 May 2013, 03:48 pm » In my case, I could have used KT88's without issues and even KT120's, but the issue to me was that Audio Research no doubt spent lots of time and money in R&D to figure how to make it sound its best with new production 6550's and why mess with that formula. Both are identical, but there are subtle differences in the specifications according to the manufacturers explaining why their tube is better than others. The GE 6550A has roughly the same electrical characteristics as KT 88 (42 watt vs. The JJ "6550/KT88" isn't a 6550 at all; it's true KT88, and a great one at that. Nowadays, the two types are pretty much interchangeble, but some differences DO exist. So far, I have tried the Sovtek KT88 and the EH 6550's in my ST120. In my system the 6550 has better bass, but the kt88 absolutely kicks but in the midrange. So to sum up 6550 vs KT88, mini-scule dif Brand X vs Brand Y KT88 miniscule dif. The KT 120 is 50K too. Yet, the KT88s have a higher voltage rating, as well as a more increased plate power. I have seen many GE 6550A's labelled as 6550/KT88, which for most hifi applications (the largest market for the types) the differences don't matter, but for big bass amps running 700+ volts on them, the differences are greatly magnifed. I am sold on KT88's. I've heard some stories that the KT88's are a little more fragile as well. The tube amps Kt88 and El34 both do their job just fine. Jun 13, 2002 · I have both the Svetlana 6550, and the kt88. Those extra harmonics fill up the mid range. on the subject of headroom, i feel the low end breaks up juuust a bit quicker. Feb 11, 2003 · A true KT88 will give you slightly more power and more clean headroom, as well as be more shock resistant since thay have better internal bracing. Our favourite Tube in the KT88 / 6550 Class TAD - KT88-STR REDBASE - analog sound in perfect audio-quality High Performance Audio Beam Power Tetrode Our new TAD KT88-STR REDBASE is built in the style of the early British MOV KT88 with Jul 21, 2020 · I have been thinking of adding two 6550 outer tubes on my Diezel Herbert but am scared the 6550 will add darker mids or tone to the Herbert just like what i experience on my VHT UL which has 4 EH KT88 and i actually find it dark amd hard to tame unless i crank up more on the masters for more power distortion to blend in for a slight brighter May 2, 2010 · I would say give the EH KT88's a try as well as the EH 6550's. Sovtek 6550 vs tung sol vs Sovtek kt88 vs EH 6550. For KT120's you only have the Tung-Sols. Mar 6, 2010 · Curious as to what if any sonic differences I could expect in comparing the SED KT88's vs. Apart from mechanical modifications, you will require bias adjustment. Apr 18, 2017 · The Tung-Sol KT120 (and KT150) tubes are new designs, basically more powerful versions of KT88 and 6550 tubes. Your Mileage May Vary. Sep 19, 2019 · The KT88 is based on the 6550 but even more refined and boosted. The cool thing about it is that it is easily interchangeable with most 6550 amplifiers and can be interchanged in most EL34 based amplifiers with quick, easy mods. Pourtant on peut lire sur certains forums qu’on peut substituer sans modification les uns aux autres. I get the new tube's durability and design but given that your amp was originally designed around one of the older tubes has anybody gone back. In this article, KT88 Vs. NKh93CeqLQFor a longer video version with Dec 5, 2021 · Re: Gold Lion KT88 vs Tung-Sol 6550 vs Tung-Sol KT120 for use with ST120? by Roy Mottram Fri Mar 18, 2022 12:47 pm as of yesterday NessTone is also out of all tubes, all buy buttons are disabled The KT88 shares many characteristics with its US counterpart, the 6550, in terms of design and usability. Oct 17, 2020 · Russian Tung Sol 6550 are less expensive vs Russian Gold Lion KT88. kt88 debate, I tend to go with 6550's. Of all the kt88's ( new tubes, not nos ) The Svetlana has the smoothest mids and highs. qualioaudio. Jul 22, 2024 · An adequate power supply for KT150s can easily run 120s or 6550/kt88 by setting the bias to 70-80% of max for the tube type used. Sep 7, 2022 · Dans la documentation présente avec cet ampli, ne figure aucune information sur une quelconque compatibilité des 6550 et des KT88. com?sca_ref=3235308. that said, after using about 6 different pairs of "big bottle" tubes, my own ears prefer the sound of ruby 88's. Marshall used 150K for 6550's but it is not necessary and makes little to no difference tonally or technically. I went through a few that would slightly red plate if I ran them at the recommended bias. Oct 17, 2020 · The way it was explained to me years ago by a tube amp manufacturer (Mike Allen of JoLida) think of a 6550 as an industrial KT88. Didn't take long for the TungSol's to get top billing here. The 8045G was based on the General Electric (GE) 6550A. Already I've noticed an incredible increase in soundstage, imaging and dynamics. Sure there may bea mini-scule dif twix every lab's 6550/KY88, even there it will be tiny. Mar 28, 2022 · Two EL34 tubes in the drive will produce 35 to 40 watts, whereas two KT88 tubes will produce 85 to 100 watts. But if they’re both the same style of power tube, just what’s the difference between them? Or are they interchangeable? While the top two rankings are all right, after that, Fugetaboutit! The GE 6550A and Sylvania 6550 both sound better that the JJ, and are WAY more reliable. 4. Of these two I think I prefer the SED. KT88's can nearly always be substituted for 6550's and vice versa. Both sets of KT88's are strictly backup now. 6550 maximum Rg 50k fixed bias; 250k self bias. Its reminiscent of the old school "tetrode kink" Oct 5, 2020 · But watch out for thinking the 6550 and KT88 are interchangeable. 6550's are much more pleasing when you get a head into power tube distortion. THE KT88's = basically a tone I'd describe as right in between the EL34 & 6550. They get very raw and agressive with a nice clarity and huge low end. SinnerSaint Music is Life. In audio amps, JJ 6550 performs similar to JJ KT88, with excellent three dimensional soundstage that JJ KT88 is known for. Read about the Best Budget Tube Preamp, Final Verdict. So, in our opinion KT88 tube is the best tube amp out there. Jul 23, 2004 · I dont know your amps - and I have a feeling tubes play differently from one amp to another. And ya, DO make sure your iron can handle the larger draw. An EL34 has higher gain potential (mu) than a 6L6, 6550, or KT88, so an EL34 can be more harmonically rich than a 6550 or 6L6 at a given drive level. purejazz; Jul 2, 2016 Jul 6, 2010 · The main difference I heard in the Marshalls was just more headroom when swapping back and forth between 6550/KT88 types to EL34s. 3. As far as sound goes, IMHO, most 6550's have a "tubier" sound than KT88's with perhaps a little more mid-bass Feb 6, 2013 · 這兩種膽在音色上之分別為何呢？有人說6550有勁D，高低申延好D，而KT88則較平均，中音表現較突出。但另一些人分享啲版本則剛剛同以上所說的相反。實際上大家的經驗喺點呢？ 6550 和 KT88 啲分別 ,Hiendy. SinnerSaint, Jun 23, 2021 #78. The KT88 and 6550 are beam tetrode power tubes. I have also had discussions with Leonard @ ARC. Jul 15, 2005 · I swapped the 6L6s in my guitar amplifier with 5881s and I did not notice much of a difference. Electro-Harmonix 6550 When Bob Cohen of the Cable Company sold me these tubes, he extolled them as far more open on top and bottom than other KT-88/6550 tubes he had used. I have tried and liked SED winged c kt88, and New Gold Lion kt88. Jan 1, 2017 · A real EL34 is a pentode tube, vs. The Tuc uses 220K and runs either 6550's or KT88's. 35 watt), and long lasting to boot. Apr 5, 2017 · It came with three quads of output tubes: sets of Tung-Sol 6550, Elecro-Harmonix EL-34, and JJ EL-34. Jun 29, 2002 · In that amp the EL34's = buttery, quicker breakup. Let me state unequivocally that I am not a fan of 6550s as I believe the KT88 is simply a far more musical tube. Guitar players who play amplifiers with KT88/6550 tubes describe those tubes as very "clean" and "HiFi" sounding, which would explain why those tubes are so popular in HiFi amps. (60 wpc) The Sovtek's sounded good but for whatever reason, I think this amp just pushed them too hard. The monster power transformer in the TU-8340VK is rated to supply the juice these tubes require. I find Strat players seem to prefer KT88's in that amp. Svetalana EL34 are the warmest, followed by JJ EL34, then by JJ E34L. When I put the KT88 in an amp that was designed for a 6550 the sound is bloated/warm thru the mid bass/lower mids, rolled in the highs, and looses some clarity. 6550's = very glassy, shimmery, tighter low end, but not as much low end as the eL34. In order of price: EL34, E34L, 6550, KT88, KT90. Mar 12, 2019 · From my experience, the JJ KT88 is king of the hill for bass. a 6CA7, or a KT77 or KT88 which are beam tetrodes, the 6CA7 being the American-made substitute or the EL34 which was a Philips-Mullard creation I think, so the American manufacturers couldn't use the particular pentode construction so they made a tetrode that could substitute directly and tubes of either type started to be labelled EL34/6CA7, and other beam Nov 2, 2010 · A JJ's KT88 will sound different than a ruby 88 and a svetlanta 6550 will sound different than a =C= 6550. You will need to re-bias the unit after replacement,regardless of type chosen. ogdens_sliced and SandAndGlass like this. Hence the assumption that the kt88 might be more durable. Jun 20, 2018 · Opinions on brands and 6550 vs KT88s would be welcome. The Hammond transformers in my Eiclones should be up to the job too. In general Ive been less than impressed with the GL price vs performance isn't there for me. Sovtek 6550WE This tube is a true workhorse and a great value, and shipped as original 6550 tube in many amps from the factory. If a KT88 makes it a week, it’ll be fine, but there is a chance of failure. Aug 30, 2020 · Not 1 audiophile in the world could detect a blind test A/B twix 6550 vs KT88. Jan 17, 2016 · Just looking for peoples opinions and preferences for current issue kt88 & 6550 power tubes. EL34 are half the cost of 6550. It has even less distortion and an even cleaner tone then the 6L6 or even the 6550. I recently got a quad of EAT kt88 tubes for my Mcintosh MC275. For the KT88's, Gold Lions are my pick. Seules, paraît il, quelques nuances sonores existent. I've just retubed my Jolida 202 with Svetlana's EL34s and they are currently going through burn in. As for linearity they do have a bobble down in the low current zone that is worse than a kt88 curve set so i believe that statement. Their tube designs employ the standardized octal plug, so they are interchangeable and fit into amps for each other without any change. The 6550 are very neutral and the KT88 have a little more midrange bloom. We listen mostly for folk and acoustic music and subs handle Dec 17, 2013 · The mighty KT88 is a lesser known tube to some that falls somewhere in between an EL34 and a 6550. I had a Marshall Major with 6550's and it was only putting out about 60-80% of its power rating because it was designed for KT88's. Shuguang KT-88's which are about $40 a piece new and half that used. They only label it as a 6550/KT88 to let people know that it can used anywhere a 6550 can. In general order from warm(and sweet) to neutral: EL34, E34L, KT88, KT90, 6550. ,,,My comment the 88’s lack bass is completely inaccurate, 88’s have super bass. Those are supposedly revered as one of the best. Aug 29, 2022 · I don't like the way KT88's break up in power tube distortion. 6550s have an inherent grain structure in the upper midrange that is rather characteristic of the tube style regardless of manufacturer. Last Update: Description. as far as **Kt88’s superior in details** I have doubts that the 6550's lack such details as expressed in the 88 resolution. The 6550 originated in the United States, and KT88 is a European product similar to the 6550. uvgds xzia pxuoq nybry yvyjgmm vqx hwq xhywwt nzigytb wzjqa