Tubelab Kt88

What's the greatest bargain in SET these days? Hi, Gang, I response to my recent review of the Reference 3A De Capo BE speaker, someone wrote that if you really want to hear them sing, you should try them with a SET amp, or words to that effect. Et enfin des schémas à seulement deux étages avec une pentode en entrée el183 et el802 montées par Yves07. jpg http://home. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. What if the best sound was achieved decades ago? In 1938, Western Electric manufactured the first type 300-B electron tube. com or pmillett) for typical uses. Waaronder 1x kt88 sovtek nieuw in doos. com with this and other designs for which he provides the PCBs and encouragement. I used a SPP board from Tubelab and modified it for 6HB6's. 1X ecc88 edicron 2x el 34 psvane status en herkomst onbekend. j'avoue ne pas bien connaitre les tubes russes, sauf quelques-un, j'avais pensé le déphaseur en EF86 et le CF en puissance avec une 6BX7, une 6c45P, ou une kt88, mais elles ont toutes un recul de grille assez important. 3watt 6BQ5 SE amp 3watt 6BQ5 SE amp for Alexander in Russi 3watt 6BQ5 SE amp 6DJ8 ECC88 SE Stereo Amplifier - Bedside QRP Tube AMP, Loftin-White Disclaimer This video is for information purposes only. Triode-wired single-ended amplifier designed by George Anderson, well-known (on Diyaudio. Melius Club è la nuova casa di Videohifi. I have tried a quad of Winged C KT88, Winged 6550, Sovtek Kt88, Sovtek 6550, and Shungang Kt88. This amp circuit is derived from the classic single-ended designs that began in the 1930s. Il y a un pléthore de tubes employés rien qu'en puissance ecl86, el84, 6L6, EL34, KT88, KT66, R120, 6B4G, 300B et surement d'autres. There are commercial amps which rate theirs at 24W, but I do not know what plate voltage is being used. The Simple SE design is very versatile in terms of what output tubes can be used. Es hat sich in über 30 Jahren HiFi-Hobby so einiges an Wissen und Weisheiten angesammelt, welches ich hier gerne an Interessierte weitergeben möchte. Electro-Harmonix KT88 Vacuum Tube High power kinkless-tetrode for use in amplifiers such as the Marshall Major. It's based on the famous American Dynaco Stereo 70 (ST-70) designed back in the late 1950's which used EL34's and had an output of 35 watts per channel. 3 volt power transformer came as a separate. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. 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. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. Kun et utkast altså, verdier på motstander og kondiser er ikke vurdert ennå. The reissue GL is also very good but takes 200 hours to break in. Take a look at the following, especially the posts by "TubeLab". What if the best sound was achieved decades ago? In 1938, Western Electric manufactured the first type 300-B electron tube. Since this design has a tube rectifier you can change the 5z3 to a 5y3 for a lower B+ which might be a better match for the EL34. com and DIYAudio. com or pmillett) for typical uses. Reflektor 6p3s-e, New Sensor KT88, Electroharmonix 6CA7EH, Shuguang 6L6 At one time I had some Sovtek EL34G in there, and some JJ E34L, and some GE 6L6GC. Har läst någonstans om att man skall köra kolmassa (är det samma som kolytskikt?) där, men jag hittade inget så jag lödde ett Dale WW nästan vid själva kroppen, kanske 3 mm tråd till sockelpinnen. s has anyone used psvane from grant fidelity?. Secondo me per le EL84 o ci si accontenta dei 5W a triodo o è meglio cambiare tubi finali. com's SimpleSE amp. Project Cntry Main Page Description Parts Tubes Type Subtype; 1: The Minicaster AM Transmitter: US : Phils Old Radios Now here is a construction approach that anyone can follow. Song: "Jacksonville" by Sufjan Stevens. Comparison review by Gary S. Tube amps by Tom McNally Check my eBay listings for amps for sale tomsnj on eBay If you have questions or need some help, please email: tom@mcnally. vacuum tube, triode, transformer, pentode, gm, transconductance, mu, plate choke, push pull, single end, choke, full wave, full wave bridge, voltage doubler. Ik heb hier in de aanbieding partij buizen. Biased according to the schematic each KT88 will draw 75mA and the 6N1P will draw 8 mA or so. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. 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. Some of them do sound nicer than others, though. This is a journal about my first experience building a HiFi tube amplifier. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). The new tubes aren't cheap either but they are no where near as expensive as NOS Gold Lion KT88. It's based on the famous American Dynaco Stereo 70 (ST-70) designed back in the late 1950's which used EL34's and had an output of 35 watts per channel. It only makes about 8 watts/channel. They appear to produce general electronic kits for domestic consumption, but including a few audio amplifier kits. 95 for each program. Topic author: Fuling Subject: Katodföljare i mammutstorlek Posted on: 2007/08/16 16:06:41 Message: Efter att ha gått i vaga funderingar i flera års tid har jag äntligen tagit mig för att göra vissa praktiska tester på en förstärkare med slutröret kopplat som katodföljare. I also like the Chinese KT88 for their sound but quality has been spotty to say the least. 7 Antworten 3. To say I prefer the SET is an understatement! Everything on it is better (including Tool / Metallica / Pantera) although I mostly listen to classic rock and some Blues. Great sounding amplifier. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. it/gadgetblog/diodo_ledpolarita. Источник: 6AV5 Sweep Tube - Tubelab Статические параметры: макс анодное 500 вольт, макс экранной сетки 175 вольт, макс. So there are two output transformers, one choke and two power transformers (one 6. Somehow he knew that I had a soft spot for 6L6s and proposed I try the TU-879S. com), e sperimentare con la controreazione. I decided to begin with EL34 and later upgrade to KT88. 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. Kun et utkast altså, verdier på motstander og kondiser er ikke vurdert ennå. Re: DIfference between KT88's and EL34's What kinkless meant was a kink in the sine wave when observed on a scope. The Baby Huey EL84 is a design to consider, too, but there are no boards that I know of. I am not certain of the dissipation specs on the reissue TS 6550 or the EH/Sovtek 6550/KT88, but I would guess around 35-40W. As for power transformers- the B+ required for Mikael's amp is 400 V. com and DIYAudio. Today, there are a number of quality KT88 tubes available for audio and guitar applications. The basis for this tube preamplifier started out as a post in the Super simple single stage tube preamp thread on the website Forum. 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. The KT88 heaters require 1. Es hat sich in über 30 Jahren HiFi-Hobby so einiges an Wissen und Weisheiten angesammelt, welches ich hier gerne an Interessierte weitergeben möchte. 14 Mar 2019- 6SN7 / 300B Single-Ended Triode (SET) Tube Amplifier. it/gadgetblog/diodo_ledpolarita. I added another board so I could parallel the 6HB6's but then it sat on my bench for nearly a year. This is a journal about my first experience building a HiFi tube amplifier. 14 Mar 2019- 6SN7 / 300B Single-Ended Triode (SET) Tube Amplifier. He has put a lot of effort in documenting the step by step instructions to build "Tubelab SSE". jpg KT88 Push-Pull Tube Amplifier (monoblock) 2894 views The third of the "OddWatt" tube amp projects. 7 Antworten 3. The new tubes aren't cheap either but they are no where near as expensive as NOS Gold Lion KT88. Originally made for demanding military applications these ideal power tubes provide unrivalled sonic performance in the correct audio circuit, at least in our opinion, and we believe yours too once you listen with this amp. I was thinking on this topic yesterday (while in an economics lecture). KT88 Single End Vacuum Tube Amplifier. Basically this fine tuning is dependent on Valves, So if we roll tubes it may or may not give best results. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. They are a very robust design with cathodes larger than a KT88's. com FREE DELIVERY possible on eligible purchases. original British Mullard comparison Recently I had the opportunity to compare two very interesting Chinese quads with a quad of vintage Mullard KT88. NOS or newer tubes will both get the job done. Song: "Jacksonville" by Sufjan Stevens. 4S Universal Preamplifier for 12A*7 Tubes Humble Beginnings How to test amplifier tubes. 300b pinout - scuolevallelomellina. Skip to main content. The meter movement on this tester has been replaced. Being Japanese, the parts quality should be good & the chassis quality appears to be esp nice. com and DIYAudio. από οτι λέει ο George του tubelab μπορεί να πάρει και 6L6 και EL34: "560 ohm is a good compromize for EL34, 6L6GC, and KT88 / 6550 when using the power transformer that you are using. Power supplies are fully regulated and tube based. Find, Reach, and Convert Your Audience. Here are some notes and photographs of a single-ended (SE) KT88 tube amplifier which I recently built. There are commercial amps which rate theirs at 24W, but I do not know what plate voltage is being used. Triode-wired single-ended amplifier designed by George Anderson, well-known (on Diyaudio. The basis for this tube preamplifier started out as a post in the Super simple single stage tube preamp thread on the website Forum. Et enfin des schémas à seulement deux étages avec une pentode en entrée el183 et el802 montées par Yves07. 3 volt secondary and one dual secondaries 375 / 375 volts as well as 5 volt). - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. I wonder how Found total of 200 records, Query: psvane in Tubes Asylum, Time: 0 sec. Yeah, you can pretty much stick in anything that'll fit the socket. 4S Universal Preamplifier for 12A*7 Tubes Humble Beginnings How to test amplifier tubes. infierí que usaba la etapa de phono de su Roksan K3. 14 Mar 2019- 6SN7 / 300B Single-Ended Triode (SET) Tube Amplifier. Audio Asylum Trader. Re: Amplificateur KT88 pseudo triode avec transfo de sortie Chrétien Message par mimi80 » mar. Project Cntry Main Page Description Parts Tubes Type Subtype; 1: The Minicaster AM Transmitter: US : Phils Old Radios Now here is a construction approach that anyone can follow. Opening up my wifes Mono Blocks, I found nothing but quality parts, she has been running her KT88 based amps for the better part of five years. 0 a modern Mullard amplifier using 2 KT88 output tubes per channel. 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. You'll need a high current cathode follower or mosfet source follower like tubelab's to directly drive the grid. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). I also like the Chinese KT88 for their sound but quality has been spotty to say the least. Electro-Harmonix KT88 Vacuum Tube High power kinkless-tetrode for use in amplifiers such as the Marshall Major. They can draw grid current that must be supplied from a good low inpedance drive source. Kun et utkast altså, verdier på motstander og kondiser er ikke vurdert ennå. Waaronder 1x kt88 sovtek nieuw in doos. Severe distortion will result. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. Introduction. Re: DIfference between KT88's and EL34's What kinkless meant was a kink in the sine wave when observed on a scope. Cgs` sollte nach obiger Formel 0. (no coupling cap) And the 100K ohm grid resistor is too high in value. Hi guys, I am planning to build my first tube amp, either a hi-fi stereo amp or a mono guitar/bass amp. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. EDCOR is one of the leading manufacturers of high quality audio transformers. They make kt88, kt90, and kt100's now, I have a set of kt90's in my 32v3 that sound great. See more ideas about Vacuum tube, Electronics and Tube. A push pull transformer will NOT work. I took 2 weeks off over Christmas and built a chassis and cover for it. Poca ma fatta bene. 14 Mar 2019- 6SN7 / 300B Single-Ended Triode (SET) Tube Amplifier. Tubelab SSE KT-88 Amp. He has his own listing there, Tubelab. Har du sett at tubelab holder på med en PP konstuksjon. Here is the original schematic from Tubelab using the board as a single ended amp as designed. http://farm4. The valve amp was a Tubelab design running big edcors, the only thing my valve amp did better was acoustic stuff and some but not all jazz. com and DIYAudio. They are supposedly high quality Shuguang made tubes, so likely the good old Mullard copy sound but without the fireworks. Yeah, you can pretty much stick in anything that'll fit the socket. 845's are difficult to drive. I know it's not a wise choose for energy efficiency and budget, but I don't care What would be the recommended primary impedance for theses tubes? Would a primary of 3. I would also like to know if anyone has plate characteristic drawings for screen voltages above 300V for these tubes. And I really wanted to try out the Aikido + SE output stage amp. Dere som har peil, kom gjerne med forslag. Ambitious title, eh ? Well the intent of this article is to lay out a logical plan of action for those courageous individuals who are contemplating building their own tube amplifier, but just can't seem to figure out where to start. The hifi tubes seem to want higher screen voltage. I power them with a cheap panasonic digital amp receiver. 3 volt secondary and one dual secondaries 375 / 375 volts as well as 5 volt). My cave amp is a single unit copied from a Mac design, Dual KT88s, pulled the panel when I received it and found parts to be top notch. Nooit getest. He has his own listing there, Tubelab. Can be used in place of 6550 for a more "round" bass signature. The core circuit of Tubelab is retained, i have changed some component values to adjust Bias, Drive, etc to suit my listening taste, to get a decent THD figures and to keep odd harmonics to very minimum. Jul 28, 2019- Explore Peter Brown's board "Audio Amplifier", followed by 270 people on Pinterest. Tubelab SSE The SSE (Simple Single Ended) board is used to make a simplified SE amplifier that uses indirectly heated tubes like the 6L6GC, EL34, KT88 and 6550. 0 bids +$17. KT88-Push-Pull-Tube-Amplifier-Cover. Tubelab SPP. This is the DIY amp kit that I built a few years ago from Bob Latino. Tubelab SPP with Parallel 6HB6 I used a SPP board from Tubelab and modified it for 6HB6's. The "300B" amp looks like quality parts inside, but who knows what topology the builder followed. A friend from work told me he built Hi-Fi tube amps as a hobby. Hello everyone, I am going to build the Abdellah SE KT88 as modified by Alex Gendrano. 4S Universal Preamplifier for 12A*7 Tubes Humble Beginnings How to test amplifier tubes. You could also do a EL84 or 6V6 push pull in ultralinear (Tubelab also has a PP board last time I checked). 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. 2 août 2016 09:50 Merci a tous pour vos commentaires. Originally made for demanding military applications these ideal power tubes provide unrivalled sonic performance in the correct audio circuit, at least in our opinion, and we believe yours too once you listen with this amp. από οτι λέει ο George του tubelab μπορεί να πάρει και 6L6 και EL34: "560 ohm is a good compromize for EL34, 6L6GC, and KT88 / 6550 when using the power transformer that you are using. Product Review - A Comparison of 6550 and KT-88 Power Tubes - June, 2002 Jason Serinus. Song: "Jacksonville" by Sufjan Stevens. 00988 pF sein. The big question is how to drive them, I must admit Tube lab's powerdrive looks good. I chose 450V, which is as high as I can safely go with the 500V capacitors. Topic author: Fuling Subject: Katodföljare i mammutstorlek Posted on: 2007/08/16 16:06:41 Message: Efter att ha gått i vaga funderingar i flera års tid har jag äntligen tagit mig för att göra vissa praktiska tester på en förstärkare med slutröret kopplat som katodföljare. Just need to fit it into a nice chassis. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. infierí que usaba la etapa de phono de su Roksan K3. Ik heb hier in de aanbieding partij buizen. The secondary impedance should match your speaker impedance. Our products have been installed worldwide for over 40 years. Vacuum Tube - KT88, Valve Art See more like this. I also bought a couple adapters, and with my TSE can run either 46 or 47's in it. Here are some notes and photographs of a single-ended (SE) KT88 tube amplifier which I recently built. diyaudio) submitted 4 years ago by SourMash_plh I so badly want to learn to design and make audio amplifiers, and have for a long time. jpg http://static. 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. My cave amp is a single unit copied from a Mac design, Dual KT88s, pulled the panel when I received it and found parts to be top notch. 1: Psvane & Shuguang KT88 reliability. Find, Reach, and Convert Your Audience. 00988 pF sein. This is our 70 watt Stereo Tube Amplifier kit we sell. Latest update on my cluster of toys : This was posted at another forum I frequent so if some parts don’t seem relevant to PCR that’s the reason. This board is used to construct amplifiers from a basic low cost design to a high end triode mode amplifier. Aug 3, 2019- Explore richtermn's board "Vacuum Tube Electronics" on Pinterest. Edcor transformers / kt-88 tubes. Is there a significant difference in SQ between a good NOS vs good newer tube, not enough for me to shell out the money. So there are two output transformers, one choke and two power transformers (one 6. Melius Club è la nuova casa di Videohifi. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. 1X kt88 electro harmonix komt van een spelende versterker. A new customer wanted me to build an amp for him, and he had good Edcor iron, an XPWR010 power transformer, a pair of CSXE25-8-5K outputs and a CXC100-7H-150mA choke. The 6550 could be likened to a hard vacuum 6L6 whereas the KT88 is a darker and stronger KT66, which is peakier and more compex sounding. Kun et utkast altså, verdier på motstander og kondiser er ikke vurdert ennå. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. cc The forums at DIYTube. The big question is how to drive them, I must admit Tube lab's powerdrive looks good. Triode-wired single-ended amplifier designed by George Anderson, well-known (on Diyaudio. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). I've heard CSXE25s in a friend's tubelab Simple SE amp here. Just looking for a possible Oz source for these 10M45S current sources, Mouser and Digikey's shipping rates have gone crazy, unless I'm missing something. The new tubes aren't cheap either but they are no where near as expensive as NOS Gold Lion KT88. I know it's not a wise choose for energy efficiency and budget, but I don't care What would be the recommended primary impedance for theses tubes? Would a primary of 3. He has his own listing there, Tubelab. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. http://farm4. it/gadgetblog/diodo_ledpolarita. This is the schematic for the Tubelab SSE amplifier. It only makes about 8 watts/channel. 132) I have tried the Psvane 12AX7's in my Phono preamp and really like them but only have about 15-20 hours on them. I added another board so I could parallel the 6HB6's but then it sat on my bench for nearly a year. Here is the original schematic from Tubelab using the board as a single ended amp as designed. hace 19 minutos, maguilarp dijo: Hágalo a la chilena, un nivel y unos papelitos doblados para nivelar y estás. To say I prefer the SET is an understatement! Everything on it is better (including Tool / Metallica / Pantera) although I mostly listen to classic rock and some Blues. 0 a modern Mullard amplifier using 2 KT88 output tubes per channel. Tubelab sells boards for this. What's the greatest bargain in SET these days? Hi, Gang, I response to my recent review of the Reference 3A De Capo BE speaker, someone wrote that if you really want to hear them sing, you should try them with a SET amp, or words to that effect. When matching tubes, this is the best type of tester to use. 304 Aufrufe 9. He has put a lot of effort in documenting the step by step instructions to build "Tubelab SSE". Martín, ¿qué diferencia tiene la 6L6 con la 6L6GC?, lo consulto por el diseño de tubelab ese acepta 6L6GC, EL34, 6550 y KT88 pero no 6L6. Les schémas trois étages avec un driver et un tube de puissance en triode. Allowing a margin for safety your PTX should be able of delivering 190 mA or so. Yeah, you can pretty much stick in anything that'll fit the socket. I built the enclosure, made the volume knob, did the wiring etc. Your query. Я бы на Е-бае из ламповой техники покупать бы стал или готовый винтажный (50-60х) годов усилитель с целью его реставрации и небольшой доводки до ума, или же взял бы. Hi guys, I am planning to build my first tube amp, either a hi-fi stereo amp or a mono guitar/bass amp. Just need to fit it into a nice chassis. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. 2 août 2016 09:50 Merci a tous pour vos commentaires. This board is used to construct amplifiers from a basic low cost design to a high end triode mode amplifier. There's a huge thread on diyaudio. A friend from work told me he built Hi-Fi tube amps as a hobby. I have tried a quad of Winged C KT88, Winged 6550, Sovtek Kt88, Sovtek 6550, and Shungang Kt88. They make kt88, kt90, and kt100's now, I have a set of kt90's in my 32v3 that sound great. Check out #kt88 photos & videos on Instagram: latest posts and popular posts about #kt88. Basically this fine tuning is dependent on Valves, So if we roll tubes it may or may not give best results. This is a journal about my first experience building a HiFi tube amplifier. com), e sperimentare con la controreazione. I contacted him 3 years after he designed the amplifier and he told me it is has main amp and he uses it daily. Tubelab sells boards for this. Its high dissipation rating (42W) and maximum voltage (800V) allow it produce more power than itse pin compatible cousins the 6L6 or EL34. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. Very nice amplifier overall and a solid 50-watt output with wide bandwidth and very quiet. More details of the design are available here. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2894 views The third of the "OddWatt" tube amp projects. Et lite utkast av det jeg har i tankene for meg selv. 8W rms at triode mode. com/designs/tubelab-sse/. They are supposedly high quality Shuguang made tubes, so likely the good old Mullard copy sound but without the fireworks. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. I would also like to know if anyone has plate characteristic drawings for screen voltages above 300V for these tubes. Doe een leuk bod op de partij. Just a thought. 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. Re: Tube rectified by Dogstar on Thu Oct 19, 2017 6:58 am The Tubelab. A 120Wrms two Chassis mono-block design. DIY Single-Ended (SE) KT88 / 6L6 / EL34 / 6CA7 Tube Amplifier. 5k fit well for kT66,6L6 and kt88, 6550? Would it be better with 5K?. I thought to myself that sounds like a fun project. See more ideas about Vacuum tube, Electronics and Tube. I have tried and liked SED winged c kt88, and New Gold Lion kt88. I added another board so I could parallel the 6HB6's but then it sat on my bench for nearly a year. I've heard CSXE25s in a friend's tubelab Simple SE amp here. What if the best sound was achieved decades ago? In 1938, Western Electric manufactured the first type 300-B electron tube. com), e sperimentare con la controreazione. рассеяния на аноде 15W, крутизна характеристики 6 ма/в, ток накала 1. Just looking for a possible Oz source for these 10M45S current sources, Mouser and Digikey's shipping rates have gone crazy, unless I'm missing something. Right now I am trying to decide which circuit to build based on the simplicity and parts availability, but one issue I am facing is the availability of the correct specification transformers for a reasonable price, as I have to build the amp on a tight budget. Some of them do sound nicer than others, though. That is 83 mA per side. Plug your CD player, turntable, wireless system, computer, cassette deck, or home theater system into this elegant circuit and enjoy eight watts per channel of beautiful listening pleasure. Har de 80H chokene liggende, så derfor planlegger jeg å bruke de. Hello everyone, I am going to build the Abdellah SE KT88 as modified by Alex Gendrano. Em cũng đã băn khoăn mãi vấn đề này ( đã thử EL34, KT88 hay 300B đều không vừa ý ), cho đến khi kiếm được món độc dược là 3D21, chỉ cần 1 cây này kéo biến áp nối tầng tỉ lệ 1:1+1 là đủ cho cặp 845 chạy lên quá 40W chưa xén đầu. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). (Primary impedance = 2. s has anyone used psvane from grant fidelity?. For tube amps 10-20W, you can get that with single-ended KT88 in ultralinear (15W UL and 7W triode). 3 volt secondary and one dual secondaries 375 / 375 volts as well as 5 volt). KT88 BEAM POWER TETRODE T he Svetlana™ KT88 is a beam power tetrode having a large standard octal base and glass envelope. Just looking for peoples opinions and preferences for current issue kt88 & 6550 power tubes. It's based on the famous American Dynaco Stereo 70 (ST-70) designed back in the late 1950's which used EL34's and had an output of 35 watts per channel. com) circuit designer and consultant on many, if not most, of the successful designs posted there. Ik heb hier in de aanbieding partij buizen. (no coupling cap) And the 100K ohm grid resistor is too high in value. That is 83 mA per side. I used a SPP board from Tubelab and modified it for 6HB6's. A sneak peak at my current audio project: Tube Amp. Pete Millett's DCPP red boards would make a cheap and cheerful but superbly killer project, EL34/KT88 killer. 15W Tube Amplifier Output Transformer Single-ended Z11 Annealed Silicon Steel Sheets EI Transformers 0-4-8ohm for Tubes 6P14 EL34 EL84 6P3P KT88 6P1 Audio HIFI DIY Model No: WVTO-OT15W The output transformer adopt core of Japan Z11(0. DIY Single-Ended (SE) KT88 / 6L6 / EL34 / 6CA7 Tube Amplifier. He's an audio experimenter (both audiophile and guitar amps) and plays guitar as well so besides being very knowledgeable about design, he knows what sounds good for a guitar amp. Les schémas trois étages avec un driver et un tube de puissance en triode. There's a huge thread on diyaudio. Shugang Treasure KT88-Z vs. Alot more punch/drive. The core circuit of Tubelab is retained, i have changed some component values to adjust Bias, Drive, etc to suit my listening taste, to get a decent THD figures and to keep odd harmonics to very minimum. рассеяния на аноде 15W, крутизна характеристики 6 ма/в, ток накала 1. 1: Psvane & Shuguang KT88 reliability. Title: KT88 Author: M-O Valve Subject: JA-FP-2000-10-01 Created Date: 10/1/2000 7:35:29 PM. Free discussion forums, open to all and frequented by industry experts. I cannot find 10M45S listed with Farnell or RS, I'm looking for 2 pieces to convert a cheap SE EL34/KT88 amp to the Tubelab design. If you check it out the schematics are easy to find and simple. Another clear plastic box, but very extensive and complex. Tube amps by Tom McNally Check my eBay listings for amps for sale tomsnj on eBay If you have questions or need some help, please email: tom@mcnally. They are a very robust design with cathodes larger than a KT88's. Our products have been installed worldwide for over 40 years. Yeah, you can pretty much stick in anything that'll fit the socket. As for power transformers- the B+ required for Mikael's amp is 400 V. The big question is how to drive them, I must admit Tube lab's powerdrive looks good. Mi scuso per la mia assenza, ho optato per un single ended parallelo con delle kt88 e ecc82, l'ampli funzionava bene soltanto che mentre stavo tarando il bias di una valvola accidentalmente con il puntale del tester tocco il piedino della griglia schermo, l'altro puntale era messo a massa ( in modalità amperometro), innescando un arco. I've tried to list links where there is (1) a picture, and (2) a schematic. 300b pinout - scuolevallelomellina. The core circuit of Tubelab is retained, i have changed some component values to adjust Bias, Drive, etc to suit my listening taste, to get a decent THD figures and to keep odd harmonics to very minimum. ULKS WICHER MOGILNO. 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