Northern Electric KT88 Anybody use them ? Making of a vacuum tube · KT88 vs 6550 Power Ratings · KT150 tubes · Mullard  The Worlds First KT150 Integrated UL/Triode Hi Fi Amplifier of the KT88, now re-designed for the KT150 which we believe has even better (high) 1. AN Ozzie electronics magazine did a parallel 6L6GC SE project - it was called teh "Mudlark" if you want to go looking for it. MUZISHARE X7 KT88 Push-Pull tube amplifier MUZISHARE is one of best chinese hi-fi equiment production manufacturer, T heir products have past Certificate of Conformity European(CE) Found 149 records in Search of Tubes Asylum. . Attached is a photo of a matched pair I purchased from Richardson, Geneva, IL around 1990. And while we’re on the subject of tubes, the KT120 has a reputation for having strong bass and slightly less treble than the more common 6550. The tone signature of the Tung-Sol KT150 is characterized by a strong bass signature with balance and clarity throughout the audio frequency spectrum. First it was put in my smaller listening room with a Naim UnitiQute network player as a digital source, connected to a Micromega MyDac D/A-converter, which was in its turn connected to the DiaLogue with a Crystal Cable interconnect. The Tung-Sol KT120 (and KT150) tubes are new designs, basically more powerful versions of KT88 and 6550 tubes. Substitutes: 6550, 6550A, KT90 Type 2 or 3, KT99, KT100, KT12O/KT150 (only if sufficient bias is present) Though your manufacturer may have settled on a certain brand of these, the hunt for cool NOS types may be sonically worthwhile, or try switching to EH KT90s or bigger for more impact. If you place an order for a heavy or bulky item over 8 pounds, you will see your shipping options at checkout. The simple reason is that 2 parallel KT88 on each side of a PP circuit have twice the gm, half the Ra, and better manage a lower load than 1 x KT150 on each side of PP circuit. References The Jadis JA-30, not only are they emotionally engaging, they can also pack some punch. With a plate dissipation of 60 watts, the Tung-Sol KT120 is a powerful tube in the 6550/KT88/KT90 family. We maintain a complete tube testing laboratory with three custom-made burn-in machines and two Tektronics 570 Tube Curve Tracers. Its exclusive screen-grid radiator fins reduce a major source of The EL34 is a thermionic valve or vacuum tube of the power pentode type. The KT88 can be used interchangeably with its American rival, the 6550. It has a big power supply, big output transformers, and the new Tung Sol KT120. - no electrolytic capacitors started on March 10 st, 2012. 99. With the higher power, your KT88 output transformers will saturate faster so you will need a higher current handling ones as well. However, it would depend on music type. The recommended tube complement is 4 X KT88, 6550, KT90, KT100 or KT120 output tubes, 2 X 12AU7 or 12BH7 driver tubes, and a 5AR4/GZ34 tube rectifier or a Weber WZ68 Copper cap solid state rectifier. Prior to this, I had a pair of monster VTL Deluxe 300 monoblock tube giants. It is ideal for someone wanting a very dynamic fast sound. Burned-in and matched tubes from Quicksilver will give you better performance than tubes purchased from vacuum tube brokers. When it's run in circuits designed for 6550/KT88/KT90 tubes, the KT120 resists being overdriven and reliably delivers peak power. Put on a nice dynamic rock recording and if it isn't to your liking go with the KT150's. construction features provide for reliable oper-ation at full ratings. Although being well-known that 6500 and KT88 tubes have similar electrical behaviour and the pins are compatible in the sockets, I am not totally sure if they are interchangeable in a tube amplifier. Shugang Treasure KT88-Z vs. The HP delivers 70 watts per channel from EL34's, 80 watts from KT88's, 84 watts from KT120's, and 96 watts from KT150's. Psvane KT88-TII vs. Before buying an expensive set of KT-120 tubes, make REALLY sure that your amp can handle them. Dec 19, 2016 · sg guy wrote:-GOLD LION KT88's--nothing NP comes close, if money was no object, N. Our tubes are always tested, matched and guaranteed. _I_ would go to the 6550/KT88 grandfather. I've seen a few threads using the KT120 and KT150 and was curious if 82mA should be fine, I usually run 6550's and kt88's around 75mA. Jun 05, 2014 · Just got my KT150 tubes for my ARC REF75 and it was a plug and play install. So what's not to like? Another tube rolling option for many of the 6550/KT88 amps that can dish out the extra filament current. The amp is built on a 10 inch by 12 inch 16 gauge brushed stainless steel chassis and uses a modified VTA Mark III driver circuit. It has an international octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits and was designed to be suitable as a series regulator by virtue of its high permissible voltage between heater and cathode and other parameters. original British Mullard comparison Simulation. Other tubes I have auditioned - New Sensor Svetlana, New Sensor Mullard, Late production Seimens, and the Genlex KT-77. It shows on page 3 known-good conditions up to 100 Watts, 600V, 5K loading. They are simply Awesome! The KT150 is a totally new design intended for high end audio use. After many years designing single ended amplifiers I have decided to start a series of test about the Push Pull amplifiers. No issues, at least day 1. Its like having parts for a vintage car that has mass appeal, or a one off special. The Tung-Sol KT150 is the most powerful octal beam tetrode ever produced. It was a wise upgrade to my ears. Although the KT120's and 6550's were very nice, when it came to the KT150's, all preconceived notions of tube performance was shattered! The KT150's are outstanding! Completely in a class of its own. Now I can compare not only the EL34s and KT150s using the PrimaLuna amp itself, but can also conduct a KT150 vs KT150 comparison using two different amps: a PrimaLuna DiaLogue Premium and an Audio Research Ref75SE. In other words, it deals with the output transformer, as well as speaker. 11 Apr 2014 I am becoming an ever increasing fan of both the KT-120 and KT-150 I am just asking you if you can describe the KT-120 vs the KT-150. Bias The Tung-Sol KT120 (and KT150) tubes are new designs, basically more powerful versions of KT88 and 6550 tubes. I still have the SP-80 Monoblocks, but they will be available soon for a new home. The Electro-Harmonix KT88 bested even the Mullard EL34 with a smoother and better focused KT88 BEAM POWER TETRODE T he Svetlana™ KT88 is a beam power tetrode having a large standard octal base and glass envelope. I received an interesting question today about using the new Tung-Sol KT150 in our KT88 designed amps. marketed as the closest you can sonically come to the sound of the iconic Gec/Mov KT88. 13. The power conditioner at the bottom is a Panamax MR5100. Opinions on the original valve's performance I found while researching some background material for this review range from praise to a somewhat less enthusiastic response. This is our biggest integrated amplifier. Power tube distortion exists and is a great thing. AricAudio Transcend Series KT120 SE Stereo Amplifier Reviewed I had never heard a KT88 based SET design before reviewing this amplifier, and I found it quite amazing how closely it competes kt120 / kt150 是真空管復甦後，二十一世紀才發展出來的新東西。 看名字，就知道這是從 kt88 進化而來，而且很明顯的，有更多的功率 (據說壽命也較長)。 若以單聲道以兩支推挽來看，kt88 有 75 瓦，kt120 則有 100 瓦，kt150 甚至可達 150 瓦。 In KT88's the most common is the Electro Harmonix which is great, the Mullard re-issue and Gold Lion re-issue which in essence are the same tube and are superb. The KT88 versions smooth that out a bit and are a little darker when set the same way. The Russian Mullard reissue EL34 sounded a bit smoother, but in either case, the treble range was a bit too brash for my taste. Shuguang Treasure KT88-Z vs. KT88 Cryo KT90 Cryo KT120 Cryo KT150 Cryo Cryo Rectifier Tubes-> NOS 12AT7 NOS 12AU7 NOS 12AX7 NOS 12BH7 NOS 6922 / 7308 / 6DJ8 / CV2493 NOS Rectifier NOS EF86 NOS 6SL7 5691 NOS 5842 NOS 6SJ7 5693 NOS 6SN7 5692 NOS 6CG7/6FQ7 NOS 6U8 6HG8 ECF86 NOS Power Tubes-> Amplifier Cryoset Cables A KT88 push-pull pair in class AB1 fixed bias is capable of 100 watts of output with 2. It also uses the excellent KT120 valve which boasts 50% more power than the KT88 – and in the world of amplification, that makes a pretty serious difference. In general, the KT88 tube has a magical mid-range similar to the smaller EL34 tube, but with low and high end extremes that reach much further. Anode voltage, 250 V. Unfortunately life vs dissipation is never given in any data book I have seen. The Siemens were close but did not have the full spectrum sound that these have. THIS IS NOT A COMMON PUSH-PULL! - very low feedback only 16dB - low distortion near to 0. Currenty I put KT88 JJ Electronics "blue" on my dac and it was such a substantial jump in SQ vs my little tiny Mullard NOS EL32(CV1052/VT52). Quick Find Use keywords to find the product you are looking for. Free shipping is limited to the contiguous 48 states. And ya, DO make sure your iron can handle the larger draw. it carries a 70 watt plate dissipation rating which provides for push-pull amplifier designs up to 200 watts output. Sure, the KT-120 fits in the same socket as the KT-88/KT-90/6550 tubes, but it draws a whole lot more current from the power transformer which could result in a very expensive repair bill. If an amp is designed for, say, a KT66, then plugging in a set of KT150s will not likely hurt the tubes, but could put serious stress on the amp, especially the power transformer. Audio application In audio amps, the velvet smooth mids of EL34 is hard to miss. The use of the KT88 / KT120 / KT150 tetrode power tubes allows this device to work with many dynamic headphone models as well as some planar headset models. Tube Testing We stock KT88 tube sets that are precision matched on our own custom equipment and hand selected by our staff for the best results. sales information states that his latest line of VTA 200s and 350s are able to use the KT150 tubes. Page 1 of 3 1 2 3 Next > LPMarshall hack Well-Known Member. The KT88 is a beam tetrode/kinkless tetrode (hence "KT") vacuum tube for audio amplification. Ayon. Electro-Harmonix is one of the largest tube manufacturers in the world. 5% total harmonic distortion or up to about 50W at low distortion in hi-fi. Integrated tube amplifier The Line Magnetic offers many amplifiers, preamplifiers, CD players, DAC and loudspeakers. Posts about PrimaLuna KT 150 written by beheerder. Power Tubes – 6550 / KT88 / KT120 / KT150 Tube Basics and FAQ. Yaqin MC 100B Amplifiers user reviews : 4. In this article, we are going to take a look at two power tubes that are similar enough to be interchangeable, but which have different internal designs: EL34 vs KT77. Those tubes are generally run at different operating parameters so, other than assuming that some differences may be noted, it's not possible to have a clue about what those differences may be without knowing plate/screen voltages, bias, primary impedance of the opt, characteristics of the An EL34 has just as much low end as a 6L6, 6550, or KT88. To me they are like a combination of the best midrange an EL34 can give, the power and finesse of a KT90+6550 put together and the robust full presence of the KT88. Jan 27, 2020 #1 I also find them to be a little picky about their bias. A pair of these tubes in push-pull configuration can deliver power levels of 150 Watts or more. At the very least  UL% used for CFB vs Va, Vk, VRL and Po for Hammond PP OPT 1650P for adulation is now given to KT120, KT150, it is still better to use 4 x KT88 / 6550 than Psvane vs Telefunken 12AX7s. maybe Quicksilver V4 or VTL. The manual says it can take the following: 6L6G, 6L6GC, 7581A, EL34, EL37, 6550, KT66, KT77, KT88, KT90, KT120 The KT88 audio tube is considered to be one of the best sounding power tubes for hifi tube audio amplifiers. Shop our great selection of KT88, 6550, KT90, KT120, KT150, vacuum tubes now. The amps were going way upscale; the speakers were Sonus Faber Amati Futuras ($36k / pr). Title: KT88 Author: M-O Valve Subject: JA-FP-2000-10-01 Created Date: 10/1/2000 7:35:29 PM KT88. How good/evil the tubes sound in the end depend entirely on the designer. Fixed Bias KT88 is 100k max. Joined: Nov 18, 2009 Quicksilver Audio stocks quality replacement vacuum tubes for Quicksilver Audio products. In addition, I changed my input signal tubes to Siemens 801s and my driver tubes to Ge 5 star black plate triple mica 6201. Well, the title sums my doubts up about this. original British Mullard comparison Recently I had the opportunity to compare two very interesting Chinese quads with a quad of vintage Mullard KT88. Looking for the best English valve amplifiers? Icon Audio is dedicated to the design and production of pure valve (or tube) amplifiers and hi fi equipment. With a gold-plated molybdenum alloy grid and carbon -coated screen grid, the Svetlana KT88 is the finest power tube of its type be ing manufactured today. It has higher heater current draw (~20%) than typical KT88 tubes. The KT88 Our Two/Ninety/Two and Two/Fifty/Two guitar power amps are industry standards for a reason: they sound fantastic! Order yours today and hear for yourself! Audio Research ships the amplifier with Russian KT120 tubes, but tube-rollers may opt to use any of the following instead: 6550, KT88, KT90, or KT150. So bias setting should need Shop our great selection of KT88, 6550, KT90, KT120, KT150, vacuum tubes now. If your tube isn't listed then pick one with the same Max Dissipation Rate which is shown to the right in the tube list. Apr 24, 2019 · All the rest of you any opinions on the KT150 or something else I should be considering for my Primaluna I currently have PL branded EL34 power tubes and I've put the VRD's Penta Labs KT-88s in as well. Audio Research REF150se stereo amplifier has also 4 output tubes 2 per channel. The Orchestra displays stainless steel chassis with tubes mounted on ceramic sockets with golden pins. Tube Bias Calculator Instructions & Help. The original design got the best out of the KT88, now re-designed for the KT150 which we believe has even better sonics. A pair of KT150s can allow an amplifier with a power output approaching 300 watts to be built. The thick glass envelope has a This tube is also the equivalent of a Sino Chinese KT88, manufactured by Shuguang in China and selectively screened by Magic Parts and carry the Ruby Tubes solid 6 month warranty! The new DiaLogue Premium HP power amplifier retails for $3,899. Very sexy looking and with sound qualities that are between KT120 and KT88 - It has midrange of KT88 and drive of KT120. – received by email:Psvane KT88-TII vs. If your speakers are a little laid back and lack mid bass the 150's may do the trick. Since TubeDepot is in Memphis, TN, the home and main hub for FedEx and USPS, we get very good rates, so rest assured your heavy item will be shipped at the most affordable rates. Every product benefits from a quality of exceptional manufacturing. Would consider a trade for equivalent solid state amplifier, something like a McIntosh MC-152, for example. the KT150 which explains why we switched the JL7 over to the KT120 despite marketing forces insisting that we should use the KT150 because it's "HOT" in the market. The KT150 has a bigger punch than the e34l version. I continued to came back to the SED EL34s until I moved to my present KT88 based amp. Electro-Harmonix owns 100% of the largest remaining vacuum factory in the world. 3 - 0. This usually translates to explosive bass, defined highs and a general perception of higher fidelity sound. There are a few amps that can use the tubes, but have been designed for KT120. Darko August 18, 2013, 12:56 Audion’s Australian distributor has been bugging me to check out their Silver Night 300B ever since I unearthed the drive and beauty found at the heart of the EL34 Sterling Anniversary amplifier (reviewed here ). KT120 vs. With more experimenting, I isolated it down to 1 valve putting out less power. 5KΩ:  TubeDepot carries a selection of 6550 / KT88 / KT90 Power Vacuum Tubes. It is a big upgrade from the legendary MP-301 MK3 in terms of sonic details, dynamic and power. The new KT88 features greatly enhanced sonic performance: Increased peak cathode emission from new cathode materials; Stable operation from extended processing and For those of you who are using either 6550, KT88, KT90 or similar, try out these new KT120's you will NOT be disappointed. MP-501 can provide good bass response, big soundstage and very fine sonic details to the audience. Recently, I lost my right channel from a KT88 tube gone bad and I decided this would be the perfect opportunity to have Description. The fact that the glass envelope has no flat sides means the Tung-Sol KT150 has no problems with microphonics. What's the difference between KT88, 6550, EL34, 6L6, EL84 tube types? - the difference between KT150 and KT120 is small which I have somewhat expected: same manufacturer, the tube is just a little bit "extended". Didn't take long for the TungSol's to get top billing here. GOLD LION KT88's, KT88's want high via rates to match there high plate voltage, I've tried most of the name brands in your list, I don't like any of the Chinese variants, once you get the LIONS in there sweet spot, you won't want anything else, if your amp was designed around KT88's, then don't sell yourself If the EL34 sound is a bit boxy, KT77 or 6CA7 will give you more open sound with heaviness on demand. I have no vested interest in Psvane, Shugang or Grant Fidelity nor were any of these tubes given to me. But I Like Sound of KT88/6550 Single Ended Amplifier. 112. If no changes are made, I seriously doubt that you can hear any improvement. Might this simply be a bit KT120's can be used in place of KT88's in many amps, as long as the power supply, and bias system can accomodate them, the heater current with the KT120's is a little higher ie; around 150, to 200ma more than a regular KT88, However, the surge current is greater, especialy with the KT150's,[in excess of 3 amp initialy] But both the KT120's and KT150's settle down after a couple of seconds are the KT88, KT100, KT120 and KT150 Tubes safely interchangable generally speaking in a well built tube amplifier? The KT120 and KT150 are both pentode devices and the KT88 and KT100 are described as beam tetrodes so no, I wouldn't think these can be easily interchanged even though the data sheets have the same "pin-out". POINT TO POINT WIRING W/ SWISS MADE WIRE You spend a lot of money on interconnects. In most cases you can use these tubes in place of KT88, but it's best to check with your amp manufacturer first. The shown difference might even come from the variation in production. If you like listening to classical, opera or jazz, with horns and vocals, EL34 tube is the perfect fit. New Products: CT-700 High-End CD Transport M120 KT150 Monoblock Power Amplifiers M280 KT88 Monoblock Power Amplifiers M50 KT88 Stereo Power Amplifiers Nov 18, 2017 · I measured performance of KT120's vs. Vacuum Tube Warranty & Return Policy. The projects below have been simulated with spice release 3f4 running over a UNIX in order to optimize their performances. 12) Posted by h00hbt on 2011-08-16, 13:02:33 (213. Because of our tradition of supplying the highest quality tubes, we are proud that our ouput is the very best in the world for upgrade and replacement. Your point on heater current is well taken. They say their older VS 110 can be upgraded. The headphones are Sennheiser HD595 and the speakers used for listening were a pair of DIY rear-loaded horn cabinets with high sensitivity Fostex FE206En drivers. MP-501 V5 is our flagship integrated tube amplifier. Specifically designed for audio amplification, the KT88 has similar ratings to the American 6550 which was designed for use as a servo amplifier. I would! Oct 21, 2013 · Be sure to inquire with your amp’s manufacturer to confirm that the KT150 tube will work in your amp. introduced the KT88 in 1957, and its Genalex Gold Lion KT88 became known as "King of Power Tubes. KT150 can do 300W in P&P. Those extra harmonics fill up the mid range. I think better than 300B for cost(C/P). Cryogenic Treating. f. Nov 15, 2018 · Any of them will get you there. I found a new home for the Tung Sols. ayon triton-iii gen4 kt150 p120w/t70w class-a integrated/power amp ay 32 ai trit nz$17,995. Special introductory offer==£3995/pair [List Price=£6995] One pair of Ex-Dem Opera-Consonance Cyber 800 ,[ KT150 version] Following on from the cuccess of the earlier KT88 version and subsequent KT120 versions, we now have the very latest version fitted with the KT150 output valves, these are not only more powerful [110WPC] but have a fuller, more detailed delivery than previous versions and The MP-401 MK3 is the latest upgrade version of MP-401 tube amplifier which was first released in. This mod can be done in most any Fender or Marshall type amp, or any amp which utilizes a pentode-style output tube, such as a 6L6, EL34, 6V6, 6550, KT66, KT88, etc. ST60 KT150 Background story. 4% - good damping factor near to transistorr amp. Grading and Matching. チューブアンプ（シングルエンドモードまたはプッシュプルモードで普及しているkt88）に付属のチューブは、より大きなkt120またはkt150と交換可能な他のどのチューブも "kt"シリーズから購入できますか？ KT88 Tube Power Amplifier Class A Single Ended Valve Triode Amplifier has not same tone with Push Psu Amplifier. 00 ea (incl. KT120 is 51k maximum, might check your rig first. Tube Data Sheet Locator. S. The MTLs are probably better suited though. I think the matched pair cost around $250 vs the typical $75. It has a plate dissipation of 70 watts and so a pair of KT150s can allow an amplifier with a power output approaching 280 watts to be built. In my book at KT150 is a designer tube, perhaps a new tube that will sound great for a limited period. For the record, I have a Tri-TRV 88SER integrated and I replaced the stock chinese tubes with JJ KT88's. KT88's generate a lot power, handling significantly more plate voltage than other power tubes. Over 90% of Amplifiers are push pull, and push pull amplifier does not 2nd harmonic and off course does not get 2nd 4th, 6th harmonic vs SE has 2nd, 4th, 6th harmonic. Virtus-01- OTL Single Ended headphone amplifier (without output transformer, class A) in the Dual Mono architecture. Both sets of KT88's are strictly backup now. A pair of KT150's are capable of producing 300W of audio power. I am offering my Quicksilver Silver 88 Mono's for sale or trade. 2v (low) Uses: single-ended 300B KT66 KT88/6550 6L6 KT90 KT120 KT150 equal power output Power: continuous output power 30W (30Hz); Impedance: 3. At the very least they draw more filament current than KT88s. Feb 25, 2016 · I've got Psvane KT88's, TAD KT88's, and the TungSol KT120's. Ayon Super Triode Power Tubes; Why Tube Amplifiers; Products. Power Amplifier While much adulation is now given to KT120, KT150, it is still better to use 4 x KT88 / 6550 than 2 x KT120 or KT150. KT-120 tubes vs Gold Lion KT88's. Do you know ? well ,show you how to build up single ended amplifier El34,KT88,6550,6L6 and DHT because Build up 300B Single Ended Amplifier is very difficults and get good Audio Transformer and expensive but even if use high quality audio transformer like Tango XE20S ,will be get good tone from KT88 Single Ended Amplifier. Car parts>> EL34/KT88 or a KT150? Aug 18, 2013 · A tale of two Audion amplifiers – KT120 and 300B by John H. I have used the Siemens RFT EL34, SED Winged =C= EL34, Mullard reissue EL34, JJ EL34L, KT77 and KT88 plus the Tung-Sol KT150. If you want great tubes at a reasonable price, then our tubes and tube accessories should be on your list. Adaptive AutoBias also provides unparalleled flexibility by allowing use of almost any tube on the market today. Conditions appear similar, but might double check. Kind of l KT88 Here you will find a small collection of my all time favourite tube, theKT88. Vacuum Tubes. According to the manufacturer the Gold Lion KT88 is an attempt to recreate the original Genalex, which was introduced in 1957. UL and Triode mode are better than EL156 SE. Much have been written about the various features, either in the high-end audio press or on the PrimaLuna USA website, so rather than rehash the available information I refer readers who are unfamiliar with the company to satiate their curiosity by doing a Google search. Elekit Amp. Although nearly similar to specs of the KT120, in order to draw maximum / optimal performance from the KT150, it's best recommended to use the KT150 with a main circuit & mains transformers designed for the KT150. ). New & NOS power tubes from Mullard, Tung-Sol KT150 Power Vacuum Tube  The Tung-sol reissue valves are produced by the Sovtek Corporation to high standards at their reflector plant in Russia. This was also confirmed by the manufacturer, who confirms, if we can use KT150 tubes based on the serial number of the unit. The Tung-Sol KT150 glass envelope is a special egg shaped balloon that was developed to improve thermal dissipation and maintain a superior vacuum for the best sound. Posted by JoshT (A) on January 12, 2017 at 20:34:53 In Reply to: It really is the same question posted by E-Stat on January 12, 2017 at 19:47:29: KT88 - Marconi-Osram Valve Co. Tung-Sol KT150 The overall sound of the KT150 is thunderously powerful. Only DiaLogue Premium and ProLogue Premium models can use KT150 tubes. Here again people. 300B is very diffcult to get 10W rms. It's the only amp that lets you listen with either the warmth of Triode or the wide-bandwidth of Ultra-linear operation at the push While the original spec'd KT88 and 6550 were similar the types have blurred more than a little by current manufacturers. 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. Able to utilize EL34, KT88, KT120 and KT150 tubes to produce anything from 20 watts of Triode-strapped sound to 80 watts of ultra-linear power- these mono blocks are robustly over-built and can handle virtually any speaker with ease! Features Compatible with EL34, KT88, KT120 and KT150 power tubes; Compatible with 6SN7 or 6SL7 input tubes As a result, the EL34/6L6 and KT88/6L6 switch functions were discontinued in all Steven Fryette Design amplifier models as of January 2004, and we no longer support this switch function in older models so equipped. Select the Tube Type from the scrolling list. The main limit will not be the OPT but the PT and power supply. Nov 26, 2014 · PrimaLuna-DiaLogue-Premium-HP-strt. I have not decided on a manufacturer yet. UL KT88 can get 12W rms. I Jan 12, 2017 · Interesting description of the KT120 vs. When it comes to tone, they do have a big impact. And then the Tung-sol KT120 which has even more "pop" and because we run them so easy, the tube may outlive you. At this point I cannot comment on SQ as the tubes were right out of the box, all matched, but nothing broken in, so I am not in a position to comment other than to say, there is JJ/Slovakia KT88 - from ARS Tung Sol KT150 - yep, these are it, and worth it, do it. What sonic differences do you hear in the KT-150s compared to the This is what to expect to hear in an EL34, KT88, KT120, KT150 tube:  12 Feb 2018 Comparing the standard EL34 tubes to KT150 tubes and KT150s using the PrimaLuna amp itself, but can also conduct a KT150 vs KT150 comparison using PrimaLuna DiaLogue Premium – Tube Rolling (EL34 to KT88)  Im thinking about picking up a quad of KT150 tubes for my Primaluna if the characteristics between two tube types (kt88 vs el34) are similar KT150 Series. KT88 on Tube dacs are not common at all. Dynamic meat to the bones. O. The spice3f4 tube models have been computed by a complex function, with a custom program working on the real plot for the output characteristics (Ip vs Vp @Vg) for any of the tubes he is interested in. You need to try it and draw your own conclusions. And comes with many … Please refer to the list in your owner’s manual, with this addition: All PrimaLuna products from day one can use the newer KT120 tubes. Just nice, tight bottom, with absolutely perfect tracking up through the frequency range. Hopefully soon we will see some cool amps that can use the tube to the max. Jac, you requested any further information on the National KT88 that was made in the USA. I like 300B/2A3 SE but we can get 6550/KT88 are easly to get one of poket maney than 300B. 2v (bajo) 220 / 240volts 200watts típ, 500w máx . 6550 vs. Enter values in blue and click any Calculate button. Compatibility. I do not have any experience with KT150 tubes but what I have seen so far is that 25 to 35 Watts per tube is highly reliable when 6550, KT88, KT90, KT120s are used. 1: Biasing KT120? (11. 8W rms at triode mode. - Due to the higher limit of Ik (275mA versus 250mA) for the KT150 2 more configs with higher output power are possible. If 75 Watts is applied to each bulb, we can only see the life of the KT150 tubes in long term. If your PrimaLuna amp does not have "Premium" in the name, it is not KT150 compatible. KT150 positioned between KT88 and KT120 in overall sound quality. Order online today. output pentode 1( ) ()-60 -40 -20 0 0 100 200 300 0 200 300 400 500 EL34 EL34 Well made Japanese amp kit, optional to be assembled professionally can be a EL34 / KT88 / KT120 / KT150 amp as you wishpush a button to set bias. " The KT88 is a larger version of the KT66 that features higher power and very low distortion. purchased matched from Upscale First, I have to tell you, I LOVE this amp. I was also surprised with the midrange of these tubes. People say Wizards can be a little brash sounding. The new KT150 valves provide a further upgrade to the Stereo 60. I know the newest Carver amps employ the new Tung-Sol KT150 & the newly updated Quicksilver V4 comes stock with the KT150. If an amp is designed for the new power tube darling, the KT150, then chances are plunking in your treasured set of NOS Telefunken EL34s could have tragic consequences. Tonally I think the KT88's are quite similar the KT150's. Photograph 8 below shows the KT88 Monoblock Tube Ampifiers with a NAD C516BEE CDP and a Cambridge Audio DacMagic Plus. IIRC there is a little more power available with the 150's, making triode mode more compatible with more speakers. KT88, etc. KT150 vs. This is truly the Tyrannosaurus Rex of beam tetrodes. I know this is a loaded question but I still want peoples feed-back. 198) Hi all I am planning to use KT120 tubes in my amp and when using KT88 I usually bias them to 60mV. I have to thin the heard of amplifiers. Regarding your question about circuit board materials, I've also attached an article about circuit boards. Read the review by Hi Fi World. Besides being arguably one of the ugliest looking new tubes I've seen in quite a while, this tube does specify a pretty heft filament current. KT88. Self Bias KT88 is 220k KT120 is 240k so very similar 3) Transconductance appears to be close, 11-12k for KT88 VS 12. kt150 the kt150 is a beam pentode power amplifier primarily designed for audio service. From the manufacturer: “With the new KT150, Tung-Sol continues to lead in the audio power tube, power game. Power tubes are responsible for powering the output stage in your amplifier. It has 4 EL34 tubes mounted in push-pull which are driven by 2 ECC83. In my tests KT150 sounded superb for hard rock, rock and pop, but lost in classical and jazz - especially vocal jazz showed weakness of both 120&150 in When when switching from KT150 to another type of power tube such as : EL34, 6CA7, KT88, KT90, KT120 & 6550 a small modification has to be made inside the unit. Original Mullard KT88 Posted on February 26, 2015 by admin Comparison review by Gary S. After having reviewed the PrimaLuna DiaLogue Premium extensively and having tested it with KT150 tubes, my aim for this mini-review is to see how it behaves with KT88 tubes. Dec 15, 2017 · Sonic differences can arise from a variety of factors, and these are not restricted to differing "families" of tubes (ex: KT120 vs. The bass is tight, full, and precise with a neutral midrange and transparent high end clarity. It has a big power supply, big output transformers and an abundance of very useful features. KT150 TUNG-SOL. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. Welcome to Cryoset Online Store. Back to top. for audio serice applications oxide coated indirectly heated The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. In Apr 27, 2012 · Parallel KT88 will cetainly get you well over 20 Watts, unfortunately none of teh dat sheets I've seen tell you anything except various modes of Push Pull Operation. UPDATED 1 14 2011 Push Pull KT88 6L6GC EL34 300B 2A3 Amp 1314 x 1060 · 27 kB · gif, KT88 Single Ended Tube Amp Schematic Vacuum tubes - 6550 / kt88 / kt120 / kt150 - upscale audio KT77 vs. KT150's just have more of everything. The GE sheet shows internal plate resistance is 15K (@ 250V 140mA), not 3K. It even has a fine-tuning switch for EL-34 and KT88/KT120/KT150 tube types. Because KT150 is rated near double the dissipation of 6550/KT88, we might hope for 200 Watts. Same output power, but the Winged C's produced a bit less distortion at midband. I must stress that there are a lot of good versions of this exceptional tube out there and that these are just a few that I feel I have had enough experience with to share my views on. May 31, 2019 · This time, we’ll consider, then clear up, the confusion that often arises in the EL34 vs KT77 power tube dilemma. Welcome Guest! Mullard KT88 Matched + Cryo Treated Pair (2) $89. com KT88s and they are much better than the original Shuguang KT88 of the old one May 02, 2007 · I swithched out the stock kt88-98 for the smooth plates I had laying around, but that wasn't fair, because the kt88-98's hadn't opened up yet, then a couple of my kt88sc smooth plates are now toast (3 years of abuse in a bass amp) so back to the kt88-98 and they're really opening up on top now and smoothing out. The 6V6 is a lower-voltage, lower-power (350-V, 14-W) beam power tube (see Photo 3). “I have torn through these specifications because they speak of a range that works in a wholly sensible manner” say Alan Sircom review for @primaluna_audio EVO 300 Tube Preamplifier and EVO 300 Tube Poweramplifier in Hi Fi Plus Magazine! It has a big power supply, big output transformers, and designed for the excellent new Tung-sol KT150/120. The DiaLogue ships with PrimaLuna’s SilverLabel selected EL34 power pentodes, which sounded pretty good right out of the box. I love the way the voice is handled, so pure, uncoloured, standing out from the band, while at the same time the band is always part of the performance. These are recreations of some of the  El diseño original obtuvo lo mejor del KT88, ahora rediseñado para el KT150, que creemos que tiene (Alto) 1. It’s a versatile device too, working effectively as two amplifiers in one! Thank you!Best Regards,Albert Posted in KT88-Z / KT88-T/TII, Review & Feedback | Leave a comment Psvane KT88-TII vs. With a massive plate dissipation of 70 watts, the Tung-Sol KT150 is the most powerful octal beam tetrode ever produced. The Hammond transformers in my Eiclones should be up to the job too. Right out of the box they improved Bass, low-level detail and imaging. TrAnsfer ChArACTerisTiCs pLATe ChArACTerisTiCs a. Aug 24, 2017 · Octave Audio V 80 SE integrated amplifier. If you have low efficiency power hungry speakers, MP-501 is your solution. jpg So with the volume at a sensible level I enjoy some more Mary Black songs including Katie, a song that makes the Irish sentimental when it’s played live. The Svetlana KT88 is manufactured in the Svetlana factory in St. EL34. 5k for KT120 under similar conditions. 00 for Chinese tubes back then. Oct 28, 2018 · Comparing the standard EL34 tubes to KT88 tubes Review samples supplied by A Tube High Fidelity. I'm fortunate enough to have a quad of the original Gold Lions, but don't use them regularly in my amp as they're worth more than the rig itself. Petersburg, Russia, and is designed to be a direct replacement for any KT88, KT90, KT99 or 6550. If you use KT120's DO NOT ship the amp with the tubes installed. We at CAT get our resolution and transparency the REAL way, Tubes audiophile pour les amplificateurs à lampes haute fidélité 6550 , KT88 , KT90 , KT100 , KT120 , KT150 Jun 16, 2016 · When it is in half-power, or triode, mode, the output tubes are wired to run in a configuration that results in a reduction of power. Apr 03, 2018 · Other popular beam power tubes include the 6V6, the 6550, the 6BQ5/EL84, the KT66, the KT88, and the KT90. 7 out of 5 - 13 reviews - audioreview. The KT120 should be considered as having a 2A heater for safety reasons. The dynamics are unlike anything we have ever heard before. I have tried these on my monoblocks and although they worked OK, it was just about "OK" The 36 watt PrimaLuna DiaLogue Premium HP integrated amplifier has better bass slam than 75 watt tube amps from the biggest names out there. home. 18 Apr 2017 The tube sounds a bit dynamically constrained compared to 71% bias. a true low maintenance GREAT amp at unbelievable price. Our new EHX Strings Electro-Harmonix electric guitar strings are custom-designed to our specifications and made in the USA by a premiere string manufacturer. Discussion in 'The Workbench' started by LPMarshall hack, Mar 30, 2010. As a result, KT88's and 6550's are produce cleaner tones and have low distortion, making it popular amongst bass amplifiers and high end audio applications. And it comes with many features! An integrated version of our MB90 MKIIs. I am also looking to get a Absolutely Flawless 6 month old Primaluna Dailogue HP Integrated with KT88 & KT150, and and Asso Photo The PrimaLuna DiaLogue Premium was used with a variety of equipment in my house. Winged C 6550Cs in my CJ Premier 11 amp, and the two tube types performed quite closely. EL34 and KT150 characteristics I wanted everyones opinion on the best KT88's out there. Are (immediately from the start or over time) the tubes that come with a tube amplifier (say the popular KT88 in Single Ended mode or Push Pull mode) replaceable with say the larger KT120 or KT150 We can also see the close relationship between the older and newer version looking at the top plate of the amplifier, where we can see, that initially KT88 tubes were planned to be used for the amplifier. Parallel 6L6GC are reported to give 22 Watts. The Primaluna reps demoing the Dialogues preferred triode mode and the KT150's, they said it's the best the amps can sound. INTRODUCTION. which should be set to High 110W for use with KT120 or KT150 tubes, or to Low 70W for use with KT88, 6550, KT90, KT100, These tubes are the best I have tried in my PrimaLuna Prologue Premium integrated amp. I love all three sets of amps I have but a couple have to go. " Note: Check with your amp's manufacturer to confirm the KT150 tube will work in your amp. Jan 03, 2014 · KT150 fared better than KT120, which practically alway sounded dry and not very open. Dec 13, 2013 · KT150 itself is a fantastic tube. Today, all the schemes and accomplishments are the result of a team of experienced and experienced audiophile engineers. Which one has the parts to keep it on the road longest. 228. In fact, within a single tube type, for a given amp and tube bias, you can encounter some pretty drastic tonal characteristics. Greg Sold 2018 Wizard Modern Classic II - KT-150 (KT88 model) Discussion in 'Amps & Cabs Emporium Archive' started by mhenson42, Jan 27, 2020. KT90, KT120 and KT150 are higher-powered direct replacement of KT88. Each wound string is precision wrapped with round nickel-plated steel onto a high carbon, hexagon-shaped steel core. No big deal there, the KT88 choice is more of a tone control, but swapping to The biggest surprise and joy is driving the Quad 2812s with the HP/KT 150 . Apr 27, 2011 · Icon Audio Stereo 60 Mk 3 review Icon's exuberant literature makes many claims for the Stereo 60 Mk 3 amp, including higher output power than most KT88 models can muster: 65-watt ultralinear Sep 26, 2013 · You need a higher operating voltage (>550V DC) as well as higher current consumption to the KT150 heater elements. Dec 19, 2017 · The stereo amps were the Ref75se and Ref150se both fitted with these for choice as well as custom fitted for the new KT150's. Anode current, 140 Bias voltage, -15 V. What the manufacturer says: "With the new KT150, Tung-Sol continues to lead in the audio power tube, power game May 01, 2017 · I have also compared El34 vs KT88 vs KT150 in a lower range of the Primaluna Prologue Premium Integrated and I must say that even though the kt150 and kt88 can drive harder to drive speakers but the sound quality of the el34s are much nicer. gst) positive feedback writers choice award 2016 the show newport winner€ tas editors' choice award€ ayon audio "best of show" winner at rmaf - ces las vegas & salon son image show montreal canada!! newport show california, new york audio With an internal plate length of 55mm and a massive plate dissipation of 70 watts (a KT88 is typically only 35mm and 42W), the Tung-Sol KT150 is the most powerful octal base beam tetrode ever produced. Apr 19, 2017 · No one can tell you what differences you may perceive. Scorpio XS After nineyears of manufacturing of the legendary Spirit III model we are proud to announce the introduction of the new Spirit V. 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. Jun 10, 2019 · The KT150 is a slightly different breed. My primary reason for wanting the KT120 is they are said to be a more robust tube made for audio application and their replacement cost is similar to the 6550/KT88. The monster power transformer in the TU-8340VK is rated to supply the juice these tubes require. KT88's deliver more power and headroom than EL34's or 6L6's, that is the main reason. Aug 21, 2019 · In due time I'll be changing to a different STL tube dac that takes KT150 buffers vs the small vaccum tubes you commonly see. It was designed in 1937 and used mostly in single-ended output stages of radio and TV sets. Just got these babies rolled : background: I found image had shifted to the left slightly, so switched the original KT88 tubes around (R-L and L-R) and the opposite happened (image now slightly to the right). kt88 vs kt150