Tubelab Kt88

They have an incredible ability to reproduce the guitar, they create a lifelike image that has to be heard to believed. Severe distortion will result. Begonnen von daniii88. Shop with confidence. I would also like to know if anyone has plate characteristic drawings for screen voltages above 300V for these tubes. The driver stage is an SRPP using a 12SL7 tube. 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. There is also George of tubelab. 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. It comes down to personal choice on which way you want to go. I thought to myself that sounds like a fun project. Phillip at bluebell hinted he is working on some 4:1 SE interstages with hammond for a KT88 or 300b driver but i have not been able to get any more than that from him than that. I have one quad of used test new Genelex KT88's. The output tubes are EL34's and the preamp tubes. 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. The ideal primary impedance for this design is 5K ohms. The elex is a bloody good 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. Very nice amplifier overall and a solid 50-watt output with wide bandwidth and very quiet. 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: [email protected] 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 Tubelab SSE board is used to make a simplified SE amplifier that uses indirectly heated tubes like the 6L6GC, EL34, KT88 and 6550. 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. They truly sound great. Edcor transformers / kt-88 tubes. Of these two I think I prefer the SED. Time left 3d 5h left. Уважаемый tissot,, вы не из России?По профилю не видно. You would need to take the voltage beyond 500V for 20W. Searches are limited to a maximum of 200 records. You have to realize that what someone else thinks is the "best" might not work for you at all?There are too many variables involved to say one tube is the best. The meter movement on this tester has been replaced. He has his own listing there, Tubelab. 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. Es hat sich in über 30 Jahren HiFi-Hobby so einiges an Wissen und Weisheiten angesammelt, welches ich hier gerne an Interessierte weitergeben möchte. The basis for this tube preamplifier started out as a post in the Super simple single stage tube preamp thread on the website Forum. 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. A friend from work told me he built Hi-Fi tube amps as a hobby. it/gadgetblog/diodo_ledpolarita. Pretty much anything that is pin-compatible with the EL34/6L6/KT88 family of tubes will work, as long as they can handle whatever B+ voltage you choose to run. Just need to fit it into a nice chassis. EDCOR is one of the leading manufacturers of high quality audio transformers. Way back in the dx100 days I solid stated the vacuum rectifiers and installed the big VR tubes in their place to regulate the screen voltage. Your query. New Search. KT88 KT88 labelled G. 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. 560 ohms will put the EL34 and the KT88 at about 80% of max dissipation, but it hits the 6L6GC's pretty hard at about 90%. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2894 views The third of the "OddWatt" tube amp projects. I don't like the gold plated bling on the Psvane, but whatever. Die 1300 pF hast Du scheinbar im Quadrat eingesetzt und dann ist Cgs` wirklich annähernd 0 Bin aber wie gesagt bei Fets betriebsfremd. 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. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. A 2A3 SE Stereo Amplifier, direct coupled design, choke loaded mu follower driver, 5 tubes. Et lite utkast av det jeg har i tankene for meg selv. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. As for power transformers- the B+ required for Mikael's amp is 400 V. I built a pair of Bass Reflex Fostex 127E full range speakers a few years back. A push pull transformer will NOT work. He suggested I buy one of their…. This is a journal about my first experience building a HiFi tube amplifier. 560 ohms will put the EL34 and the KT88 at about 80% of max dissipation, but it hits the 6L6GC's pretty hard at about 90%. Уважаемый tissot,, вы не из России?По профилю не видно. KT88 KT88 labelled G. 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. Melius Club è la nuova casa di Videohifi. A friend from work told me he built Hi-Fi tube amps as a hobby. Mr Tubelab beskriver samma sak på Diy Audio. Mars Kit2 Mk2, Paarl, Western Cape. You'll need a high current cathode follower or mosfet source follower like tubelab's to directly drive the grid. I've heard CSXE25s in a friend's tubelab Simple SE amp here. Les schémas trois étages avec un driver et un tube de puissance en triode. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. s has anyone used psvane from grant fidelity?. As you can see, I am running both channels off one rectifier tube. 00988 pF sein. Die 1300 pF hast Du scheinbar im Quadrat eingesetzt und dann ist Cgs` wirklich annähernd 0 Bin aber wie gesagt bei Fets betriebsfremd. Im diesem Blog möchte ich sozusagen etwas aus dem "Nähkästchen" plaudern. Also, are there any over arching tonal differences between 6550 types and kt88 types?. There is also George of tubelab. If you're visiting just to get a glimpse of what custom made amps are all about, please take time to check out my portfolio and feedback. Some of them do sound nicer than others, though. Just need to fit it into a nice chassis. 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. 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. 5K Plate voltage = ~425V) At 450V a KT120 SE UL amp is supposed to do no more than 15W. com/3105/2562591094_bf04623f4c. Vacuum Tube - KT88, Valve Art See more like this. So there are two output transformers, one choke and two power transformers (one 6. Tubelab Simple SE - Pictures Dark close-up of a SED KT88 Dark close-up of Sovtek 5AR4, JAN 12AT7, and SED KT88s Running with Sovtek 5AR4, JAN 12AT7, and SED. A push pull transformer will NOT work. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. Way back in the dx100 days I solid stated the vacuum rectifiers and installed the big VR tubes in their place to regulate the screen voltage. Vet ikke om noen på HFS som har bygget med print fra Tubelab, men generelt kan man kanskje si at punkt-til-punkt layout er veldig mye arbeid med. Melius Club è la nuova casa di Videohifi. Basically this fine tuning is dependent on Valves, So if we roll tubes it may or may not give best results. The original meter movement developed a mechanical problem. So there are two output transformers, one choke and two power transformers (one 6. Enjoying the unfinished Tubelab SSE project. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. ULKS WICHER MOGILNO. who makes the best kt88 tube i have a vac phi 200 and I know there are better tubes than what is standard,I cant find any more of the original gold lion in the u. Tubelab SSE KT-88 Amp by TomMcNally » Thu May 24, 2018 2:52 am 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. Hi all, Managed to build my KT88 guitar amp over Xmas after finally settling on the front end after about a year of procrastination. jpg http://static. I have tried a quad of Winged C KT88, Winged 6550, Sovtek Kt88, Sovtek 6550, and Shungang Kt88. Solid Silver single secondary and Solid Silver multiple tap secondary transformers are available, price will be quoted for each upon request. A typical circuit will have a driver that provides voltage gain, coupled to a triode (like 2A3 and 300B), or even pentodes like EL34 or the KT88 in triode configuration, connected to the loudspeaker through an audio transformer in a common cathode arrangement. Begonnen von Coffmon « 1 2 Arbeitsgerade Gittervorspannung KT88 SE. Melius Club è la nuova casa di Videohifi. 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. Kun et utkast altså, verdier på motstander og kondiser er ikke vurdert ennå. – received by email: Psvane KT88-TII vs. Is there a significant difference in SQ between a good NOS vs good newer tube, not enough for me to shell out the money. This amp circuit is derived from the classic single-ended designs that began in the 1930s. 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. I think they sound quite nice, and he seems to be. Just need to fit it into a nice chassis. Most 6550 and KT88 tubes bias up at around 30 to 35 watts, except for the EH tubes which draw a lot more current and run at 40 to 45 watts. The weak link as I see it in that modulator is the 6L6 driver has a high source impedance such that as the 811's are driven harder, the positive drive voltage into each grid will progressively compress since the grid current will increase with increased grid voltage. Melius Club è il ritrovo dei cultori di tutte le passioni sospese tra arte e tecnica, appassionati sempre alla ricerca del miglioramento. 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. It went into a custom amp design based on Dyna Mk-II/III iron and metalwork. I decided to begin with EL34 and later upgrade to KT88. Poca ma fatta bene. Is there a significant difference in SQ between a good NOS vs good newer tube, not enough for me to shell out the money. Conversely, switching the rectifier to a 5V4 will give you about 30 volts more than the 5Z3. This might sound better for the KT88 or you could even use the KT90 for even more power. I did this design back in the 80's and still have the amps used a 6FQ7 phase-inverter/driver and a 6072 for the input amp and a pair of real KT88 outputs. ClassificationBeam-power tetrode ServiceClass-A amplifier, class-AB amplifier, Cathode Cathode typeIndirectly heated Heater voltage6. Building Your Own Tube Amp. Assembly Manual • Schematic • Parts List • Tubes and Applications • Design • Simulations. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. You would need to take the voltage beyond 500V for 20W. Check out #kt88 photos & videos on Instagram: latest posts and popular posts about #kt88. KT88-Push-Pull-Tube-Amplifier-Cover. 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. jpg http://static. 0 a modern Mullard amplifier using 2 KT88 output tubes per channel. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. As for power transformers- the B+ required for Mikael's amp is 400 V. Solid Silver single secondary and Solid Silver multiple tap secondary transformers are available, price will be quoted for each upon request. Song: "Jacksonville" by Sufjan Stevens. I chose 450V, which is as high as I can safely go with the 500V capacitors. At that time, I praised everything about the amp save for its excessive sweetness. 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: [email protected] Is there a significant difference in SQ between a good NOS vs good newer tube, not enough for me to shell out the money. com with this and other designs for which he provides the PCBs and encouragement. New Search. 3 volt power transformer came as a separate. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. EDCOR is an acronym for Electronic Development Corporation. It only makes about 8 watts/channel. 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. Try limiting your search by using the Advanced Search Options below to select an author, a date range, a single forum or more specific search terms. This amp circuit is derived from the classic single-ended designs that began in the 1930s. Found total of 200 records, Query: KT88 +PP in Tube DIY Asylum, Time: 0 sec. This amp circuit is derived from the classic single-ended designs that began in the 1930s. Pretty much anything that is pin-compatible with the EL34/6L6/KT88 family of tubes will work, as long as they can handle whatever B+ voltage you choose to run. Hi guys, I am planning to build my first tube amp, either a hi-fi stereo amp or a mono guitar/bass amp. EDCOR is one of the leading manufacturers of high quality audio transformers. Les schémas trois étages avec un driver et un tube de puissance en triode. The original meter movement developed a mechanical problem. KT88 KT88 labelled G. The basis for this tube preamplifier started out as a post in the Super simple single stage tube preamp thread on the website Forum. Begonnen von Coffmon « 1 2 Arbeitsgerade Gittervorspannung KT88 SE. com and DIYAudio. If you’re visiting just to get a glimpse of what custom made amps are all about, please take time to check out my portfolio and feedback. 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. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). Shugang Treasure KT88-Z vs. I contacted him 3 years after he designed the amplifier and he told me it is has main amp and he uses it daily. Plus for what it's worth the KT88 seems to be less stiff and more expressive. Mutual Conductance tube testers are the best for true vacuum tube performance. Re: Finished DIYed 2A3 SE amp « Reply #40 on: April 20, 2010, 15:55 » Normally, we try not to position the mains trans laminations parallel to that of the output trans and choke as the electrical field generated by the mains trans will affect the output trans and choke. Уважаемый tissot,, вы не из России?По профилю не видно. Audiophiles will find premium, handcrafted tube audio gear at Erhard Audio, along with complete upgrade kits for PAS, SCA, and Revox gear. рассеяния на аноде 15W, крутизна характеристики 6 ма/в, ток накала 1. cc The forums at DIYTube. It's a single-ended 300B amp - my first jump into tube amps. 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. Doe een leuk bod op de partij. 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. Tubelab Simple SE - Pictures Dark close-up of a SED KT88 Dark close-up of Sovtek 5AR4, JAN 12AT7, and SED KT88s Running with Sovtek 5AR4, JAN 12AT7, and SED. com), e sperimentare con la controreazione. 23w and the SET is a TubeLab SE (DIY) 300b @ appx. The elex is a bloody good amp. So there are two output transformers, one choke and two power transformers (one 6. This board is used to construct amplifiers from a basic low cost design to a high end triode mode amplifier. ClassificationBeam-power tetrode ServiceClass-A amplifier, class-AB amplifier, Cathode Cathode typeIndirectly heated Heater voltage6. The power conditioner at the bottom is a Panamax MR5100. Tubelab sells boards for this. Melius Club è la nuova casa di Videohifi. You have to realize that what someone else thinks is the "best" might not work for you at all?There are too many variables involved to say one tube is the best. Found total of 200 records, Query: KT88 +PP in Tube DIY Asylum, Time: 0 sec. Biased according to the schematic each KT88 will draw 75mA and the 6N1P will draw 8 mA or so. It went into a custom amp design based on Dyna Mk-II/III iron and metalwork. Just looking for peoples opinions and preferences for current issue kt88 & 6550 power tubes. They make kt88, kt90, and kt100's now, I have a set of kt90's in my 32v3 that sound great. 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. After waiting what seemed like ages for my transformers, chokes, and caps to arrive I started assembly on the board. Well known George Anderson design built with the PCB he sells on his Tubelab site http://tubelab. Here are some notes and photographs of a single-ended (SE) KT88 tube amplifier which I recently built. Free discussion forums, open to all and frequented by industry experts. 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. Re: DIfference between KT88's and EL34's What kinkless meant was a kink in the sine wave when observed on a scope. [In Japanese. 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. hace 19 minutos, maguilarp dijo: Hágalo a la chilena, un nivel y unos papelitos doblados para nivelar y estás. I built the enclosure, made the volume knob, did the wiring etc. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. Tube compliment is: 2 EL34 or KT88 and most equivalents, 1 12at7 for signal tube, and 1 5AR4 Rectifier tube. 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. KT88 KT88 labelled G. Here's a take through of the project. 5k fit well for kT66,6L6 and kt88, 6550? Would it be better with 5K?. 4S Universal Preamplifier for 12A*7 Tubes Humble Beginnings How to test amplifier tubes. Searches are limited to a maximum of 200 records. The weak link as I see it in that modulator is the 6L6 driver has a high source impedance such that as the 811's are driven harder, the positive drive voltage into each grid will progressively compress since the grid current will increase with increased grid voltage. Как-то случайно обратил внимание, что 90% статей на хабре с тегом «теплый ламповый» рассказывают о чем угодно, но только не о ламповой технике. Melius Club è la nuova casa di Videohifi. Edcor transformers / kt-88 tubes. I have tried a quad of Winged C KT88, Winged 6550, Sovtek Kt88, Sovtek 6550, and Shungang Kt88. The KT88 heaters require 1. Tube CAD, Se Amp CAD, Audio Gadgets For those of you who still have old computers running Windows XP (32-bit) or any other Windows 32-bit OS, I have setup the download availability of my old old standards: Tube CAD, SE Amp CAD, and Audio Gadgets. com/designs/tubelab-sse/. KT88 BEAM POWER TETRODE T he Svetlana™ KT88 is a beam power tetrode having a large standard octal base and glass envelope. Mr Tubelab beskriver samma sak på Diy Audio. This is a journal about my first experience building a HiFi tube amplifier. The meter movement on this tester has been replaced. They are not bothered by this and sound the best of all tubes tested if you want to play it loud. 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. Re: Dự Án 845; GM-70; GK-71; FU-13 ( SE )Các Bác giúp em nhé Ông cuongnm và ông anhtuanhpqn Sam tôi nhé! Toppic của em là đây mà. jpg http://home. 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. Which would give performance similar to 7868s. A sneak peak at my current audio project: Tube Amp. Is there a significant difference in SQ between a good NOS vs good newer tube, not enough for me to shell out the money. com's SimpleSE amp. You have to realize that what someone else thinks is the "best" might not work for you at all?There are too many variables involved to say one tube is the best. I power them with a cheap panasonic digital amp receiver. 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. In other words, it deals with the output transformer, as well as speaker. hace 19 minutos, maguilarp dijo: Hágalo a la chilena, un nivel y unos papelitos doblados para nivelar y estás. Where I don't want to slog through in a half-understood language, I use Google's translation page. I decided to begin with EL34 and later upgrade to KT88. Plus for what it's worth the KT88 seems to be less stiff and more expressive. I thought to myself that sounds like a fun project. Some of them do sound nicer than others, though. 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. This might sound better for the KT88 or you could even use the KT90 for even more power. jpg http://home. Die 1300 pF hast Du scheinbar im Quadrat eingesetzt und dann ist Cgs` wirklich annähernd 0 Bin aber wie gesagt bei Fets betriebsfremd. Today, there are a number of quality KT88 tubes available for audio and guitar applications. 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. com Simple Single Ended amp I'll be building until I die has the option of eliminating the need for an external rectifier (tube or otherwise) by adding two diodes to the PC board. Pretty much anything that is pin-compatible with the EL34/6L6/KT88 family of tubes will work, as long as they can handle whatever B+ voltage you choose to run. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. 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. Secondo me per le EL84 o ci si accontenta dei 5W a triodo o è meglio cambiare tubi finali. Poca ma fatta bene. Er ikke godt å si når det blir klart, men det er lenge siden han starta med det og tråden på diyaudio har hatt mye aktivitet i det siste. Источник: 6AV5 Sweep Tube - Tubelab Статические параметры: макс анодное 500 вольт, макс экранной сетки 175 вольт, макс. рассеяния на аноде 15W, крутизна характеристики 6 ма/в, ток накала 1. Уважаемый tissot,, вы не из России?По профилю не видно. Just showing off my Tubelab SSE build. Audio advice and discussions with audiophiles and professionals. ClassificationBeam-power tetrode ServiceClass-A amplifier, class-AB amplifier, Cathode Cathode typeIndirectly heated Heater voltage6. It is also good to load the 12AT7 with a CCS, (G Pimm Batt CCS) but just a plate load resistor sounds surprisingly good. com/designs/tubelab-sse/. The Simple SE design is very versatile in terms of what output tubes can be used. Cgs` sollte nach obiger Formel 0. I don't like the gold plated bling on the Psvane, but whatever. com/3105/2562591094_bf04623f4c. 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. I will be interested to see how you guys get on Best Regards James. Way back in the dx100 days I solid stated the vacuum rectifiers and installed the big VR tubes in their place to regulate the screen voltage. Ik heb hier in de aanbieding partij buizen. This is a journal about my first experience building a HiFi tube amplifier. 00988 pF sein. com/3105/2562591094_bf04623f4c. Waaronder 1x kt88 sovtek nieuw in doos. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. The KT88 heaters require 1. 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. I was thinking about building a tube amplifier for a long time myself and my search ended when I came across "Tubelab SSE" designed by Mr. 0 bids +$17. 560 ohms will put the EL34 and the KT88 at about 80% of max dissipation, but it hits the 6L6GC's pretty hard at about 90%. Biased according to the schematic each KT88 will draw 75mA and the 6N1P will draw 8 mA or so. The weak link as I see it in that modulator is the 6L6 driver has a high source impedance such that as the 811's are driven harder, the positive drive voltage into each grid will progressively compress since the grid current will increase with increased grid voltage. Electro-Harmonix KT88 Vacuum Tube High power kinkless-tetrode for use in amplifiers such as the Marshall Major. The front end is from 6GW8 PP amp I built a couple months ago which I found on a youtube video (Pixie amp by Guitologist). Как-то случайно обратил внимание, что 90% статей на хабре с тегом «теплый ламповый» рассказывают о чем угодно, но только не о ламповой технике. 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. net/~heejog/basic/images. the thermionic watercooler. Tube CAD, Se Amp CAD, Audio Gadgets For those of you who still have old computers running Windows XP (32-bit) or any other Windows 32-bit OS, I have setup the download availability of my old old standards: Tube CAD, SE Amp CAD, and Audio Gadgets. And I really wanted to try out the Aikido + SE output stage amp. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. Audiophiles will find premium, handcrafted tube audio gear at Erhard Audio, along with complete upgrade kits for PAS, SCA, and Revox gear. Melius Club è la nuova casa di Videohifi. I have tried and liked SED winged c kt88, and New Gold Lion kt88. They can draw grid current that must be supplied from a good low inpedance drive source. KT88-Push-Pull-Tube-Amplifier-Cover. Title: KT88 Author: M-O Valve Subject: JA-FP-2000-10-01 Created Date: 10/1/2000 7:35:29 PM. Poca ma fatta bene. Today, there are a number of quality KT88 tubes available for audio and guitar applications. Tubelab SSE KT-88 Amp. - Qualità: finali a triodo, driver CF accoppiato in DC (meglio ancora sarebbe il solito Mosfet, tipo il PowerDrive su www. (shown w/o power supply section) Here is the schematic for the power supply section. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2894 views The third of the "OddWatt" tube amp projects. 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. Only have a set of coke bottle 45's right now, haven't been able to pry my wallet open enough to buy a pair of globes. Nooit getest. 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. The output tubes are EL34's and the preamp tubes. 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. They truly sound great. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). Hi Gio! I havent checked as I havent got a scope. I did this design back in the 80's and still have the amps used a 6FQ7 phase-inverter/driver and a 6072 for the input amp and a pair of real KT88 outputs. Well known George Anderson design built with the PCB he sells on his Tubelab site http://tubelab. hace 19 minutos, maguilarp dijo: Hágalo a la chilena, un nivel y unos papelitos doblados para nivelar y estás. If you want to find the "best" for you,you're going to have to bite the bullet and do some experimentation. 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. I've attached a picture of a tube amp I built recently (and I'm really pleased with it). Power supplies are fully regulated and tube based. Photograph 8 below shows the KT88 Monoblock Tube Ampifiers with a NAD C516BEE CDP and a Cambridge Audio DacMagic Plus. com or pmillett) for typical uses. Recently I saw an unused matched set, NOS, but new in the box, go for well over $1000 on E-Bay. Yeah, you can pretty much stick in anything that'll fit the socket. Find great deals on eBay for 300b transformer. Jul 28, 2019- Explore Peter Brown's board "Audio Amplifier", followed by 270 people on Pinterest. Hi guys, I am planning to build my first tube amp, either a hi-fi stereo amp or a mono guitar/bass amp. Vet ikke om noen på HFS som har bygget med print fra Tubelab, men generelt kan man kanskje si at punkt-til-punkt layout er veldig mye arbeid med. If you check it out the schematics are easy to find and simple. Comme quoi sans outillage spécifique mais avec beaucoup de passions on peut réaliser quelque chose de présentable. Allowing a margin for safety your PTX should be able of delivering 190 mA or so. 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: [email protected] Comparison review by Gary S. 50 shipping. Weston 981 Type 3 Tube Tester April 7, 2018 | DLandon This is a Weston 981 Mutual Conductance tube tester that was not functional when I received it for calibration. 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. La Elys 2 no es mala cápsula, algo que no he visto en el hilo: cuál es tu pre phono? claro. Audio Asylum Reviews KT88 - Read Reviews: Tubelab Single Ended TSE. Phillip at bluebell hinted he is working on some 4:1 SE interstages with hammond for a KT88 or 300b driver but i have not been able to get any more than that from him than that. Product Review - A Comparison of 6550 and KT-88 Power Tubes - June, 2002 Jason Serinus. 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. 八神純子 (Junko Yagami) - 思い出は美しすぎて (Omoide Wa Utsukusi Sugite) | KENRICK Perfect JBL 4310 ケンリックの緻密な再現力. 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.