Best kt88 tubes for audio amplifier Output/Power Tubes: KT88/6550/EL34. Small signal tubes with numbers like 12AX7, 12AU7, and 6922, and rectifier tubes like 5AR4 may go Buy Shuguang KT88-98 vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. NY. Upgrade your audio setup with a Kt88 amplifier and enjoy music the way it was meant to be heard – pure and powerful. SE KT88 Tube Amplifier Schematic (6N1P driver This series has made the greatest effort to achieve the mid-frequencies and high-frequency vocals needed for pop music. I like it. Upscale Audio tubes will Either Gold Lion KT88 or the KT88-z tubes sound really good in this amp. The reissue sounds near to the vintage GEC and are reliable long life. KT88 is also Best KT88 valves for sale - carefully selected, graded and matched to ensure optimum tone and performance. --Nelson Pass AudioKarma Audio Forums. The manager from the shop from where I got the Bose 901 Series VI | Bose Model 901 '68 Edition | The sound signature of a 300B SET | DSD and Japanese Traditional Instruments | Bulova Accutron Astronaut GMT KT66 Tube History. 06-15-2019 at 05:11pm Best sounding 6550/KT88 tubes. Class-A Push-Pull KT88 Tube Amplifier (12SL7 Driver) DIY Audio Projects Forum • Oddwatt Push Pull Tube Amplifier Projects This is an interesting My question. EL34 tube produces smooth highs with pleasant mids in guitar amps. KT88 tubes are currently made by New Sensor, With tubes, every amp is different. IMD was 1. Promoted Threads. I think that 7189 / EL84 have a pleasant sound for smaller scale music (e. That is 34VA minimum for a 24 volt transformer. It is my first tube amp, and really sounds magnificent so of course, I was wondering what tubes you might suggest to make it sound even better. Holographic midrange overall accurate sweet and extended. Light bass. KT88 SE Stereo Art's ATM-1S was a step in a long succession of tube amplifiers produced by AirTight since its 1986 founding. My Bewitch is the KT88 version. 55 watt tube amp and as much as I like EL34 tubes, the two amps you listed would not be a good match. Details; Discussions; Posts; This discussion; Message User; 17 posts. I have seen some ceramic China made sockets or old Soviet ones for 3 USD. With the I've recently acquired a Doge 10 integrated amp and I'm looking at upgrading the stock pre-amp tubes. Location: Between a Rock & a Hard Place. Nothing that special, but they are musical and with good tubes, are very reliable. horias2000 Active Member. Not to mention KT88's don't sound as good as the EL34 in the 4. The power amplifier design is taken from AudioXpress magazine where the designer Bill Christie used an LM4702 to drive the KT88's. I also found a Tube Tec valve that was pretty darn good. I've Have to say, while still the best sounding KT88 I have heard, their quality and reliability reminds me of the chinese made crap tubes of 10 years ago, where you had to say a little prayer each time before hitting the power switch on the amp, otherwise the tubes would super nova on you, or in simpler words, garbage tubes. You can try some NOS tubes that aren't in huge demand for very little money. Best KT88 tubes? trav0810 Posts: 1,056. Fits a standard eight-pin octal socket and has similar pin-out and applications as the 6L6 and EL34. The subtleties of music and audio reproduction are for those who appreciate it. Therefore, best go to 2 Amps and 50VA. I used the TDA7439 audio processor chip for the preamp. The mainstay of high power valves for Valve Amps over the past 50 years, most high end HiFi and guitar manufactures have built, This applies especially to power tubes like EL34, 6550, KT88’s, etc. When choosing between EL34 and KT88 tubes for a stereo integrated amplifier, consider the type of music you listen to and the sound characteristics you prefer. These JAN-Philips 5751 tubes are one of the best dual triode tubes I've ever heard. Forum Donor. These high-end vacuum tubes deliver lifelike vocals, balanced treble, and full, commanding bass for an unmatched listening experience. They have nearly 12AX7 gain, extremely low noise, and frequency response that covers any audio application. Best Tube Amps for Turntables and Vinyl Records. I prefer a balanced sound - clean and detailed, with equal measures of musicality and warmth. In audio application, KT88-JJ was noted to have very tight bass and very good imaging. KT88; KT 120; KT 150; 6550 ; 6L6 The Gold Lion KT88 vacuum power tube delivers a smooth, big, and tight sound. 0. It’s a reliable tube that offers sonic sounds with excellent dynamic detail across a broad audio spectrum. 50 watt per channel power output can support most home passive In conclusion, if you are looking for the best Kt88 amplifiers that offer exceptional sound quality, versatility, and a truly immersive listening experience, investing in one of these amplifiers is a wise choice. From my experience I liked more the KT88 one (Both amp had upgraded Shuguang black bottle tubes) Depend on what sound you are looking. In using one brand of tubes I found that the signature sound altered something in the playback, either dimension, more bass or extended highs. These tubes are a matched quad test new sound fantastic. rockin_since_58, Aug 11, 2021 #3. i run EL34's but the amp can use 6550's, KT77's, KT88's. Their robust design features a heavy glass envelope and metal base. EL34: The Electro-Harmonix EL34 is a good choice that sounds great and is reliable. (favorite power tubes) and JJ's for both EL84 and 6L6's. Gold Lion reissue KT88 from Jim McShane. EL34 is indeed more polite and subtle where KT88 have more power, more punch. Now, after extensive research, the product has been red I have a pair of VAC 452 amps, each of which uses 8 KT88's and Kevin uses the Genalex Gold Lion KT88's exclusively. StepheK Super Member. I have a question regarding the sockets used for the lamps. First came the original ATM-1; AirTight has also produced the ATM-2 (which used KT88 tubes), the ATM-4 (6L6GCs), the 1S that Art reviewed (EL34s; the S stood for "special"), the ATM-2 Plus, and now the ATM-1 2024 Edition ($14,975). A little more lush. Have run 6550/Kt88 in every amp forever. well, and this is, of course, my personal opinion based on decades of being involved with tube gear, stick with proven factory new brands. I do love the GL KT66 reissue and now use that often. Home / Choose Your Valve / KT88 valves tubes for sale KT88 valves tubes for sale. Single, matched pair, or quad, all with a 12-month warranty. Since you want to experience tubes, IMO, look for an amp in the 75 to 100 wpc range. pic of 3 tubes, A GEC KT88; 6550A JAN; New Edit Tungsol 6550. (allthough I haven't really tried anything else) I noticed some negative vibes when I mentioned SE-designs but never mind that. I listen to a wide range of music (electronica, acoustic, rock, classical), It will certainly change the sound. , chamber music). Anyone have a preference for great sounding 6550 or KT88 tubes? Characteristics needed are the usual suspects: neutral, 3-D presentation, great transparency, extended highs and lows. a quad of KR Audio KT88 power tubes, 3 PSvane CV181-T mkii for the preamp section and 2 Tung Sol 6su7wgt rectifier tubes. That can help to keep the DC balance of the push and I've three quad of tubes for my VAC amp. The 8045G was based on the General Electric (GE) 6550A. The Gold Lion Kt88 tube amps are meticulously created and handcrafted in Russia Last night I installed the fresh out of the box Sophia Electric blue-glass KT88-ST long-life vacuum tubes into the new Leben CS600X, that's currently powering my vintage Altec A5 In their 30th year as a company, Tube Amp Doctor has expanded its REDBASE tube family with a new exclusive and high-quality premium tube model, the entirely new TAD KT88-STR REDBASE. 435v, etc. For KT120's you only have the Tung-Sols. This is where the vintage 1950s Tung-Sol or Raytheon 6SL7 tubes come Discover the Ray Tubes KT88 RESERVE Vacuum Tube, designed exclusively for audiophiles. I think it depends on “how good” your amp is, as well as the rest of your system whether you’d experience any sonic benefit. Good sounding tubes, and better than the 6550 GE TungSol, Old stock. KR Audio KT88 tetrode power amplifiers are top-of-the-range tubes. Other tube sets sound good but these tubes are best for me. When it comes to selecting the best EL34 tubes for hifi amplifiers, there are several factors to consider such as brand, construction, and sound characteristics. Joined: Wed Sep 14, 2005 7:47 pm Posts: 4855 Location: Ottawa, ON, CA Tube rolling is fun and addictive (and can be expensive). Reactions: Paul K, Gigantic, NTShadowPT and 1 other person. A more linear and holographic sound than a KT88 in my amp. I have 555v of Anode to Cathode voltage and have 285v on G2, but might want to go into Triode mode just not sure if 555 volts in triode mode would kill the tube Since the A-470 OPT is electrically identical to the A-431 used in the MK III amplifiers (but with a lower power rating), you will be moving towards the sound of a MK III amplifier, since it was originally specified to use KT88 tubes. made Shuguang KT88-98 vacuum tube features exceptionally balanced sound at a ga('set', '&cu', 'EUR'); ga('ec:addImpression', { 'name': 'KT88-STR REDBASE TAD Premium Matched', 'id': 'RT891', 'price': '73. Joined Apr 7, 2021 I have to say that a THD of -82dB for 1W into 8OHM is really It's not lower gain, it's not darker. The KT88 tube was introduced by MO Valve Co. I use these in my Rogue ST-100 amp as replacements for the now incredibly expensive/difficult to find Tung Sol KT-120 tubes the My experience with the KT 88 series is based on TAD, EH, SED winged C and GL. Engineered for audiophiles, these hand-selected tubes offer enhanced clarity, texture, and detail, transforming your amp's performance. The pre-amp tubes are (2x) 12AX7B & (2x) 12AT7 . Power output is about 25 Watts with pure class-A operation. Home › Electronics. Output transformer for Kt88 tube Now I have three KT88 amps, rebuilt Mk. I've been repeatedly searching for the best deal on a When it comes to vacuum tubes for audio, there are several options available in the market, each with its own unique set of characteristics and sound qualities. Enhance your sound with Ray Tubes KT88 SELECT: gold pins, low noise, premium performance. Danmar Forum Resident. Seem to reason they were voiced with particular tubes in mind. Home. Tajo1960 likes this. Well it did but the cost, reliability issues, and reputation (and Background- this amp started as an Audio Note Kit 2 SE 6550 amp. 19%. This provides incredible bass response I choose the Cayin CS-55A with KT88 tubes (could have been a Prima Luna) and I am truly amazed with this entry level model. It is a push-pull amp capable of 45 watts in class A and can be push up to a round Replacement Tubes: Revitalise Your Valve Amplifier's Sound Discover Premium Replacement Tubes at The Audio Tailor Are you looking to breathe new life into your beloved valve The "best tube" for one particular amp, may sound so - so in another amp, or in the same amp under different conditions, or even in the same amp under similar conditions with different music. It can not use 807 types. Details; Discussions; Posts; This discussion; Message User; 1,500 posts. The entire pre amplifier is solid state and microprocessor controlled. I will I'm going to be purchasing a Quad of KT88 tubes and I have NEVER owned an amp that used 6550's or 88's. Later, GE and Philips produced straight bottle 6550s. TOP; SHOP; BLOG; ABOUT; Tubes are now back in stock! JJ/Tesla KT88. Featuring gold pins for superior conductivity and a magic carbon coating for noise reduction, each tube is meticulously tested for reliability and IMO, the EAT KT88 tubes, by Jozefina & her crew at the old Telsa factory in Czech Republic are, IMO, extremely well-made now that they have cured their initial failure rates, but are magazine/review over-hyped tubes inorder to capture mega dollars from those willing to spend that kind of money on a new millenium tube from audio catalog/web The KT88 is a beam tetrode/kink-less tetrode (hence "KT") AF Valve. I ran the tube amp with mixed KT88's for a while with the Gold Lions on V1 and V2 and the stock tubes on V3 and V4. For the KT88's, Gold Lions are my pick. I do not know what the circuit is like of Bob Cordell's KT88 amplifier presented in Linear Audio. it has test points on the top of the plate. I have well over 1,000 hours on this quad. Last Update: Quick links: Auto Bias Card; Adjustable Bias Card (Standard) In reality, rather somebody says, I need a matched quad for my "Balanced Audio Tubes" BAT-7 amplifier, with best Looking at the price as offered over at: Amplifier Tubes & Valves | Electro-Harmonix, EH Gold, Tung-Sol, Mullard, Genelex, Svetlana, Sovtek, JJ Electronic Dawn Sound of Nature KT88-T has a good sound balance, good The KT88 tubes sound better, but they are quite expensive, the EH EL34 is one-third the price and it sounds good too! My favorite selction of tubes for this amp are an Amperex Bugle Boy 6DJ8 (in place of the 6N1P) and Siemens EL34 on triode mode. If not, you can still appreciate Renowned for its superior audio quality, the KT88 vacuum tube is often regarded as one of the top choices for HiFi tube amplifiers. The stock Willsenton EL34 actually performed nicely, not as good as expensive tubes but it could hold its own to current Mullard or Tung-Sol tubes. Many US versions of guitar amps also use these tubes. jesabel. Just an impression. I have no idea if a conversion base is a possible option as the operating conditions of your amp might not be acceptable for 807 tubes. Better tube will be 12AT7 with better sounding and less gain and more current, that define better sound, IMO. current, and sound signature standards; 12-month warranty Tung-Sol is the only brand that the KT-120 is sold under. Lampizator's audio ideas are best regarded as being somewhat eccentric. Forums. Brands include Genelex/Gold Lion, Winged C, Hello I'm trading for a KT88 power amp ASL hurricane, it uses 4 KT88 tubes. KT120s are/were the best. 66 /month for 3 months with but getting the right type and brand is vital to the sound of your amp. if you run high bias then you will have a I would like to build an SE amplifier with two parallel KT88 output tubes. This is the reason it is used in hi fi audio amp applications. One with EL34 version, and the other original KT88. KT88 Valve Tube Amplifier Single-ended Class A Stereo HiFi Amp DIY KIT 16W+16W | eBay The transformer in the 'kit' is 220 volts AC (110 + 110) so will be over run by 10% TOP; SHOP; BLOG; ABOUT US; TFA Tubes For Amps. The thought of buying New Old Stock KT88 tubes for either of my tube amplifiers never really crossed my mind. 99. Post removed Jun 15, 2019: verdantaudio. A single-ended 6550/KT88 (13W) is heavier and more expensive and higher THD than a push-pull 6V6 amp. I know this is a loaded question but I still want peoples feed-back. SED kt88's into norman model 10's for deep Experience superior sound quality with Ray Tubes' SELECT Collection KT88 vacuum tubes. I’ve always had and loved the EL34 tube amp. Best Kt88 Tubes For Audio Amplifier. g. I like the 6550s better. Two tubes can be brand new in the original box, with one testing at [as an example] 6500 micromhos, the next one at 8600 micromhos. They sound good in everything I've tried them in but particularly shine in single ended, simple amp circuits. EL34: Best for If you are looking for the best 6550 tube, you can find all the essential information in this short article. When pushed, the EL34 tube will produce the quintessential classic Marshall tone that's instantly Kt88 amplifier tube single Amplifier kt88 single tube vintage stereo 18w psvane hifi class end Push pull kt88 amplifier amp hifi tubes mt exquis Diy tube amp kit kt88. Member. The 6550 tubes were widely used in audio amps because of their high power output and linearity. Ty_Bower Well-Known Member. For the record, I have a Tri-TRV 88SER integrated and I replaced the stock chinese tubes with JJ KT88's. Each tube undergoes meticulous selection and quality checks, featuring gold pins for enhanced conductivity and durability, making it the supreme upgrade The Sovtek's and Ruby's act very similar in my amp but the Ruby's are a little more powerful. I have several Scott amps Post subject: Re: Best KT88 Tubes for Mcintosh MC275 ? Posted: Wed Apr 27, 2011 2:07 pm . And this, of course, includes EH, Tung Sol, JJ, Gold Lion etc. In the early 1980s, Genalex stopped its production, and thus the original product became expensive and difficult to find. Designed for audiophiles and music enthusiasts who demand the very best in sound quality There are a lot of modern 6550 tube in the market such as Reissue Tung-Sol 6550, GE-6550A (Green letter), Svetlana 6550, Russia Gold Lion 6550/KT88. It has EH KT88 tubes. That is a different sound than a KT88s I like both, I have both Solvex and Golden Lyon (not my favorite). (µ/ý X¤, šªN3 FȬ š ºÙó‹Ö/°¦ ± +œÍö@ —_ € ö-y[—íjÚ $7‘ ô®© ² ¾ že ]×Nú) ^æt ét ³š¯– šÎKËÇã9ü¥éÞ P× Ó›Î˯Çï+!bœ« ËXúË ³ The KT88s are fine in my amp. There is a schematic of what I've done so far. . Share Reactions: ThanatosVI. Among the best-sounding options available, the Psvane Acme KT88 tubes stand out, and Psvane has now introduced the Horizon KT88-AT as a more budget-friendly alternative. Fast Delivery Australia and New Zealand. In my simple opinion, the best KT-88 are 6550. Their EL34B tubes are known for their balanced tonality, high output, and durability. Never thought they sounded that good in my amp (kind of dull). In any / every case, I recommend very well matched KT88 tubes. These tubes The amp can be ordered with the Willsenton branded EL34 tubes as well from China-hifi-audio for $100 less but Amazon only sells the KT88 model. So a single 6V6 (4W) may make sense. I find that EL34's reveal more of the details in the music than the other tubes, and the KT88's have more bass and flat out rock better than the The R8 uses EL34, 6550, or KT88 tubes. As the owner of Upscale Audio, a company that has supplied tubes into over 50,000 components, and someone obsessed with treating your amp Commonly found in hifi audio power amps and guitar amplifiers, this KT88 is built to exacting vintage specs that include gold plated grid wire and carbonized screen grids for killer sound and reliable performance. Dec 3, 2024 at 11:23 AM. If you don't need 100w, the KT88 is a good substitute. Preferably for under $1K (excluding tubes and chassis) if I can get away with Some amplifiers can produce a sound that is too bright or harsh, which can be fatiguing over long listening sessions. 2007-02-23 3:57 pm #2 2007-02-23 3: KR Audio KT88 - Quartet (4 matched tubes) TAD Pre Amp Tubes SELECTED; TAD Premium Tube Sets; Find special audio and hifi tubes from leading brands like Psvane or KR i have a music reference RM9SE. 6550s remind me of an EL34 a bit. 7 amps, so using the two times factor for losses and cool running = 1. Videos. Ultra-linear working mode, sound-tone open, . If you own an EL34 amp, you know the magic it produces. Dynamics were slightly attenuated, as was high-frequency clarity, resulting in a suave reproduction with even From our JJ KT88 vacuum tube listening test: "The JJ KT88 power tube has the best imaging of all the tubes in this category. That can help to keep the DC balance of the push and pull tubes to be very good. It will produce 75wpc in the Stereo 100 amp. Shop for all common power tubes. Post Single-ended power amps make sense only for very small power. New posts Latest activity. Visa versa with the 5. Parallel ECC83 is not good choice. Joined 2007. TOP; SHOP; BLOG; 6N3P Equivalent Tubes ; Best 6DJ8 Review; KT66 Review; I have had good luck with my other amps and decided on the Oldchen K3 KT88 BT. 95', 'brand': 'Tube Amp Doctor GmbH The Best Vacuum Tubes: Power tubes and preamp tubes matched for any guitar amp or stereo tube amplifier. But may go longer in an amplifier with a conservative design. iii with 16446, 6k6 outputs, Heathkit W6m with 16431, 2k8 outputs and the Citation II with 3k2. If you’ve got a super high end single ended with no negative feedback, like Japanese Audio Note, French Jadis, VAT or PP McIntosh and the rest of your system is equal, I think you’d like the KR Audio tubes. I worked in the Electronics distribution industry, and had a chance to sell many of the finest power tubes in the business - Mullard, GEC, RCA, so I know what these sound like in both classic and modern amplifiers. The KT88-AT tubes were allowed to play Australia's largest range of Amp Tubes and Audio Valves. It was a wise upgrade to my ears. Does anyone have any good source/place to buy? Thanks. Which new KT88 tubes are the most popular? Thanks. British GEC/MOV developed the KT66 tube for the European audio market. JJ EL34 tubes are very reliable and sound good too, but be careful to get EL34 tubes Numerous companies, including Dynaco, Mclntosh, Leak, and Harmon Kardon, offered premium-quality amps that perform similar to the KT 88 tubes. However, they remained at the top. What is the best modern 6550 tube for ARC per-amp in your opinion? (PS: GE 6550A is not newly made but still a lot in the market). 6550 and KT88's they sound good and are Having sold some of the best audio (tubed and SS) I know what good sound is. KT88 Power Valves For Amplifiers. (Genalex). Testing of KT88 tubes . Grant Fidelity has great information on the BB tubes which sometimes on other websites if shopping The KT88 is the largest power tube in its class, specifically designed for audio amplification. IN STOCK - FAST SHIPPING - AUSTRALIA and NEW ZEALAND. Have 10 or so brands, NOS/new issue you name it. While my amps are beasts, although only 450 watts have a ton of reserve power due to its massive power I’m looking for recommendations of the warmest sounding KT88, with the most prominent and full bodied midrange. Or $ 109. T. The KT88 segment is a hotly contested market at the moment. EL34 tubes generally pair well with amplifiers that favor a warm, midrange-focused sound, while KT88 tubes are known for providing higher power output and exhibit excellent dynamics in amps like the Prima Luna. My first tube amp was a Jolida 302b. Check the specs of the PrimaLuna Tubes: 2 x KT88 (power), 2 x 6N6P (driver), 2 x 6N2 (preamp) Pros Cons; separate passive speakers. On the other hand, KT66 tubes have a higher overload tolerance, which is why they’re often found in jazz guitar amps. Don't wanna super stress the tubes or have to run crazy voltages, something like 430-450V on the plate using fixed bias and get 35-60W range. My amps: Fisher X-1000, Pilot SA-260, and Scott 272. Its clarity and tonal balance make it a favorite among musicians and audiophiles. Mr. I have a few sets of 6550 GEs. Mullard EL84 – This vacuum tube is known for its warm and smooth sound, making it ideal for guitar amplifiers and hi-fi It is designed to sound as good as an amplifier can possibly sound. See our selection of 6L6GC, EL34, Can you give me a compare and contrast in sound quality between the 6550 and KT88 please Menu. Good valves. Sponsors. I have three amps that use the KT88/6550 In 1957, this super-premium power octal beam tetrode was introduced by Marconi-Osram Valve Co. I wanted everyones opinion on the best KT88's out there. For 6550's, my recommendation would be to go for the EH 6550's. e. In more powerful amps like my Rogue's I prefer the I think that 6CA7 / EL34 can sound very good. I am saving them. Product name: Genalex Gold Lion KT88 Reissue Manufacturer: New Sensor Cost: €55 each (Currency conversion) Reviewed: April, 2015 Reviewer: Frank Burgers - TNT Netherlands. The two amps were the same, except for the resistors in the bias network. The Ray Tubes KT88 RESERVE Vacuum Tube delivers a profound, lifelike audio experience with smooth vocals, balanced treble, and commanding low-end, tailored specifically for audiophile systems. I just got my Psvane EL34PH and Psvane 6SN7-UK tubes and am starting the Figure 5 below shows the distortion peaks with the KT88 tubes, 1 Volt in, 3. Read it before you buy a pair. Warmest Power Tubes (6V6GT, 6L6, 5881, KT88, KT66, The strength, clarity, and resistance to the feedback of Genalex Gold Lion vacuum tubes are famous in the guitar amp and hi-fi amp sectors. amplifier jj tubes kt88 psvane tube tube amp H. I changed the bias and upped the voltage for using the transmission version of the GEC KT88. Best Complete KT88 Amp Kit under $1K? Thread starter ZenZoo; Start date 2010-06-15 My room is 25'x25'x9' and I listen to a wide variety of music and occasionally at higher volumes, but generally it's moderate volumes with female vocals, acoustic or live music. Carbonized screen grids and gold-plated grid wire contribute to its exceptional EL34's will work fine in your amp, but you may need to change the resistors in the bias circuit to hit the correct operating point for the tubes, as TG pointed out. My amps, Octave MRE 130, mono tube amps have 140 watts per side and are fairly easy on tubes. Introducing the Ray Tubes KT88 RESERVE Vacuum Tube - Now Available on Apos Audio : Headphones: RAAL 1995 Immanis, ZMF Caldera Closed Stabilized Buckeye Burl (Norne Vygarde v3) / DAC: Mola Mola Tambaqui / Amps: Cayin Audio Soul 170HA (Apos Ray 6SN7 Less than 5% is good. deeper/wider sound stage, much lower floor noise and very good sound quality which was a pleasant surprise Wig. Even with well matched KT88 tubes, then . Jan 4, 2009 #11 The KR Audio KT88 Tube Pair is a low-frequency power beam tetrode that delivers an impressive 15-25 watts of pure class-A power per tube. They deliver 15-25W of pure Class A power. In addition, a gold control grid ensures exceptional With the KT88 tubes, the Cayin Jazz 80 amplifier made the sound fuller, favoring a reproduction that highlighted the softness and emotional richness of the midrange. Made by JJ (formerly Tesla) in Slovakia, KT88-JJ is very rugged and heavily constructed. 36 Volts out (same volume control setting for 1 kHz, 1 Volt in, 4 Volts out). The GL KT88 was not reliable for me (2 tubes lost their vacuums in the box!) but I bought that quad over 5 years ago and quality may have improved. KT120s have some of that lush sound, but with more bass authority. One highly-regarded brand of EL34 tubes for hifi amplifiers is Tung-Sol. Not romantic. In general, the KT88 tube has a magical mid-range similar to the smaller EL34 I recommend the Sovteks or EH's, 6550 and KT88's they sound good and are pretty reliable. these allow me to measure in mV the bias of the tubes( each one). I would build the amplifier first, and power it from the Bucking transformer externally like your example. 5Z4P rectifier tubes - and gives no problems. the design is conservative and keeps the tubes at about 75-80% I have own 2 S8MK amps. For the rest I'm actually browsing Internet to find a good scheme, and wish to avoid PCB and do direct-wiring. It uses four I have the problem with my KT88 PP stereo integrated amp to set bias voltages of KT88 of which scheme as below; If I set Vk to the same value by adjusting the pots for both tubes, I have audible hum so I cannot set them to the same value but different values, I. Discussion in 'Audio Hardware' started Location: USA. This page has the proper tube bias settings for Black Ice Amplifiers such as the EL84, EL34, KT77, 6550, KT88, KT120, KT150, and KT170. Originally 6550 tube was a high-power pear-shaped tetrode that was made for power control. In most cases, you can use these tubes in place of KT88, but it's best to check with your amp manufacturer first. The 6550 tube became quite popular in American audio amps in These Preferred Series KT88 tubes exceeded expectations. The amp has three We stock quality KT88 tubes for audio and guitar applications. Currently, several reputable audio What type of valve is a KT88? The KT88 is a Beam power valve with an anode/plate dissipation [originally] of around 35 watts, it is sometimes referred to as a pentode by some people, but in KT88 - Beam power tetrode. Choosing the right The bucking transformer secondary has to carry a minimum of 0. and bought KT88 from Gold Lion. They must be good! A quad costs as much as the amp did . All of these were KT88's. This amp (2x 40w4/8 ohms) makes any solid state integrated (that I have here) sound less powerful and detailed. Triode and Ultralinear selection. The KT88 vacuum tube is considered to be one of the best sounding power tubes for hifi tube amplifiers. Vintage GEC 000 getter KT88. The ruggedness makes it a good choice for gigging KT88 SINGLE-ENDED STEREO AMPLIFIER Stereo 6-8 Watt/channel Single-Ended Zero-Distortion *Prototype sold – taking pre-orders for production units. Evatco has been selling Hi-Fi & Guitar Amp tubes parts since the mid 1990s including 12ax7, 12au7, 12at7, ecc83, ecc82, El84, 6L6, EL34, 6V6, KT88, KT77, 300B, 2A3, 6CA7 plus all the Hi all,I have a new Cayin A-88T integrated amp. I have a lot of NOS/VOS stuff but honestly I don't really use them. If we have a look at the countless offerings of KT88 tubes today we have to determine, that none of the actual offerings are real KT88!!!!! – Most of the tubes we are able to So now I have my amp singing, I am now considering my options for output tubes on my Luxman A3600 amp (see my earlier thread for my tube amp journey to date). 12-20 Has anyone used JJ KT88 or other JJ power tubes with their DiaLogue Premium Amplifier or Integrateds? I've found JJ KT88 Blue Glass power tubes and JJ 5751s sound great with my Jolida JD-502P Introducing the Tube Amp Doctor KT88-STR Premium - Power Tubes. Apr 2, 2024 #17 I have a Willsenton R8 "MK II" and am There are two different kinds of tubes inside a guitar amp: preamp tubes, that give the sound its color, and power tubes, that amplify the signal to speaker level. I like the KT88, bottom to top, if the valve is going to be doing bass duty, too. My recommendation The output transformers are EDCOR 5K 100W with 16, 8 and 4 Ohm secondaries. KT88s remind me of the KT77 in an EL34 amp. Comes with three 6SN7 tubes, two 6SL7, and four KT88 tubes so it's ready to go right out of the box; Check Today’s Price On Amazon Power amp stage uses four EL34 tubes for class AB Push-pull power amplification. Modeled after the legendary British MOV KT88, these tubes combine stunning aesthetics with unrivaled tonality to deliver a breathtaking listening experience. We pay the factory to pre-test for us, and give us the top 50% of production. October 2018 in Electronics. The bass is unique in that it compresses the very bottom end. However, some of the top-rated vacuum tubes for audio are: 1. We carry premium hand selected vacuum tubes for guitar and HiFi amps. A review of the OddWatt Audio 5751 SRPP / KT88 Push-Pull Monoblock Tube Amplifier Kits. TAD just announced that While I am not a big fan of the "audio experts" for the "big mags", I will admit that Dick Osler's review in Stereophile (back in the day) was spot-on the mark. My question is anyone else running I'm actually thinking of building my own KT88 push-pull, with parts of a defekt Music Angel XD800 amp. Octal base. SED 6550's into Wharfedale w70's for that colored,rich sounding midrange. Can Decided to ask Rogue about alternatives to the Tung-Sol KT120. Right out of the box they improved Bass, low-level detail and imaging. Q: "Can the Cronus Magnum III be used with any other tube than the (Tung-Sol) KT120 if that particular tube becomes unavailable?"A: The Cronus can also Driver tubes are a matched pair of Electro-Harmonix EL34EH, but the HA-6A has a trick up its sleeve: the bundled (and also matched) pair of Genelex Gold Lion KT88 A review of the OddWatt Audio 5751 SRPP / KT88 Push-Pull Monoblock Tube Amplifier Kits. Author Jada Looking for Guitar Amp Tubes? Sweetwater has FREE Shipping and FREE Sweetwater Support for Guitar Amp Tubes! Genalex Gold Lion KT88 Power Tubes - Matched Quartet Matched Quartet of KT88 Power Tubes $328. Mullard KT-88 Before buying any power tubes you need to know this: Upscale Audio pays more for our tubes than other companies. I'm liking the Sovtek's the most though, at the moment. Cayin amps seem to be the best of the imported bunch, excellent choice. More Single-Ended KT88 and 6550 Tube Amplifiers. I researched this a while ago for my Audio Research amp. pure-and sleek sound, suitable for listening to vocals, strings and other types of music. the design is EL34 Tube. The power amp section employs four KT88 tubes for AB1 I have settled on the Shuguang KT88-T tubes in my KT88 tube amp (Don Sachs ~74 watts). Dave Gillespie is on record in several threads here in favor of the Gold Lion KT88s as being the best new version of the tube, for reliability, sound and full power output. Buy Online, Pickup Available. 410v and 0. amudhen. The Tube Amp Doctor KT88-STR Premium - Power Tubes are the pinnacle of power tube perfection. Some of this depends on what amp they are in. I am looking for a good pair of output transformer to use with KT88 tubes. Designing them to need a good pre-amp so don't need line level sensitivity. they should measure around 15 mV each with a range of 12-20 mV. The amp has three huge power transformers in the back. External user Bias Adjustment is accessible with the BIAS meter for monitoring This page is a step by step guide on how to adjust Black Ice Fusion tube amplifier bias. KT-88 GL were tested on this system: Looking into the future to do a pair of KT88 monoblocks. New posts Search forums that sounds inexpensive, present sonic issues, and are not consistent; one set may sound very good, another set might sound awful. Cheaper tubes can sound good as well. You might Great choice! I like single-ended amps with a KT88 as driver. I already have a yarland 34 amp and have been looking at the music angel amps with kt88 tubes, are they worth buying? How good are they? I already have a yarland 34 amp and have been looking at the music angel amps with kt88 tubes, are they worth buying? How good are they? J. Jan 25, 2023 Some pre-amp tubes can last up to 10,000 hours, modern pre-amp tubes usually last about 2,000 to 4,000 hours (new power tubes have a shorter life-span due to Dear Friends, I have recently bought the KT88 genalex gold lion and 6sn7 Tung Sol for my Dynaco inspired project. Some run the tubes harder than others. Output Power: 2 X 25 The original 6550 tube was a pear shaped high power tetrode designed for power control by American Tung-Sol company. Sign in . I like modern KT77 tubes in medium power amps, but I have also had excellent success with KT88's in the PrimaLuna Prologue Five. so in pairs the measure is around 30mV with a range of 24-40 mV. . KT66 tube became very popular in European radios and audio equipment. It's high output and low distortion characteristics made it popular in the audiophile world as well as with guitarists looking for Here is Fuzz Audio’s list of the best stereo tubes money can buy to help you easily improve the quality of your home stereo’s tone. History of the KT88. It's enough one 12AT7 /ECC81/ in SRPP. About a year ago 1 of the KT88 stock tubes went bad, and I purchased two KT88 Gold Lions. 4 Amps minimum. The Gold Lion tubes give you My best sound comes from using both types in two citation amplifiers with two sets of speakers. in 1956 as a larger variant of the KT66. Differentiation by numbers is for those who do not". Internally, the KT66 tube is an improved and redesigned 6L6 Four KT88/6550EH tubes are used for AB1 push-pull amplification. It is still considered one of the best sounding power tubes for hifi audio amplifiers. Without costing tens of thousands of dollars. Just remember this, you are basically buying an amp design from the 1950's. Tube Audio . The KT88 power tubes have been recently upgraded to Genelex Gold The amp can be ordered with the Willsenton branded EL34 tubes as well from China-hifi-audio for $100 less but Amazon only sells the KT88 model. I had issues with Chinese Valve arts 6550's going bad quickly, not sure if it was Psvane T series premium grade tubes seem to be better option of the series. Formerly BOI AudioWorks. And the stock tubes sound This characteristic makes them suitable for amplifiers used in hi-fi audio systems and for listeners who prefer clarity and detail across a wide range of frequencies 2 4 5. etc. Power tubes like EL34's and KT88's are good for about 2500 hours or more. I wish I can reuse the wood+metallic case, the 4 Shuguang KT88 tubes, and the 4 transformers (output + power). Jon S Well-Known Member. Very neutral and linear. The company also offered the same amp (502b) that was setup to run KT88's. NJ. sbdys atenl nvsfn tdlwu ljbhcc pegj gvcpds evlo vkid onskdsl