Diy kt88 tube amp. with KT88 and 5751 tubes.

Diy kt88 tube amp His design was based around Mikael Abdellah's KT88 SE Tube Amplifier design from 2003. 9K 33% ultra linear / 12% cathode feedback transformer (3. This tube are really great for the HIFI. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai A DIY Single-Ended (SE) Tube Amplifier Project that is compatible with KT88 / 6L6 / EL34 / 6CA7 tubes. ak_47_boy Member. That's the "route" I suggest you take. Joined: 24 Feb 2009 9:24 am Posts: 562 Location: USA Ben! Put 2 and 3 KT88 on the left and right front corners, away from toroid. El34 6CA7 tube amp. However, looking at the KT88 datasheet it seems this tube might be most comfortable with 2. That would be a first-class amp to get up and running. 0 out of 5 stars 1 rating ga('set', '&cu', 'EUR'); ga('ec:addImpression', { 'name': 'KT88-STR REDBASE TAD Premium Matched', 'id': 'RT891', 'price': '73. I have built a few of these amps and they never disappoint. The 6N1P driver tubes remains but the KT88 has given up its ceramic socket to a goliath of a power pentode. Nikon1975. 176. Page 1 of 2 [ 17 posts ] Go to page 1, 2 Next Previous topic | Next topic : Author Message; philip davies Post subject: KT88 SE Amplifier. So, go on with the project Glen! 😎 The photos below are of Bernardo's DIY Single-Ended KT88 Tube Amplifier following Mikael Abdellah's schematic. _____ Hi End is back proportional to DIY Audio Projects; DIY Audio Forum; DIY Audio Photo Gallery; DIY Audio Blog; NEW Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single Author Message; nkdk Post subject: odd block kt88 tube amp kit. You would need a chassis, sockets for the KT88s plus your transformers and whatever connectors you decide on. Is there something that makes using a single tube per channel undesirable? I know from a marketing point of view, it is easier to sell a ~75 watt per channel amp (which two tubes per channel give you), but is there something about the tube, design that 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. By that, most commercial (and most DIY?) KT88 based tube amps usually have 2 tubes per channel (or more). Joined: 22 Oct 2009 2:47 pm Posts: 35 Location: Denmark Hi I am building a pair of those KT88 Tube Power Amplifier Class A Single Ended Valve Triode Amplifier has not same tone with Push Psu Amplifier. I wish I can reuse the wood+metallic case, the 4 Shuguang KT88 tubes, and the 4 transformers (output + power). com Add to EJ Playlist This Not sure what the best choice of topic was for this thread, but I have a number of questions regarding my first tube amp build. I don't know much about electronics except guitar wiring. e. I like tube rectification I think it has a lot to do with how tube amps sound. All Categories All Categories Viborg Products EIZZ Series Vacuum Tubes Vacuum Tube Soket Amplifier Spike,Feet,Pad Metal Enclosures Amplifiers&Speaker Parts EIZZ 8Pin Octal Bakelite Vacuum Tube Socket Base For Audio projects and experiments: Power amps. For a detailed review of the tube amp kits and additional notes KT88 SE Amplifier. Rechecking everything, powering up the amp, doing some voltage checks, and basic bench testing. Hi, I built 2 prototypes of push-pull KT88 amplifiers, with 3. 2nd harmonic is make good tone for A step by step build of a single ended KT88 Stereo DIY tube amplifier. Thread starter ak_47_boy; Start date Dec 3, 2006; A. The results from testing the amplifiers are quite similar to the results from the OddWatt 225 (6SL7 SRPP / KT77 Class-A For flipping the tube sockets and terminal strips -- I originally had them facing that direction so the heater wires could run together on the front of the amp and stay away from the signal wires. Contents00:0 I Have the boards and parts from a musicangel kt88 and i want to build a amp from those parts. There is a lot schematics on the internet, but finding a good one is pretty hard. DIY Audio Projects; DIY Audio Forum; DIY Audio Photo Gallery; PP, class-AB1] - (DIY) KT88 Tube Mono Block Amp Kit (5751 SRPP input) - [25 Watts, SIPP, class-A, UL] - (Kit) 6550, KT88, KT90 Tube Mono Block Amp (12SL7 SRPP Build a DIY vacuum tube amp ( EL34 / KT88) Posted on July 17, 2006 by admin. Single-ended el34 amp; Push-pull el34 amp; KT88 KT120 KTxx Tube Amp. com that was originally of mikael abdellah's amp. I'm intending to run local cathode feedback on the output stage. -----1. 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. Mullard style topology is both a solid performer and "idiot resistant" against some builder errors. With a number of different KT88 tube amplifiers we have had good results using new production JJ KT88 Blue Glass and Genalex - Gold Lion KT88 tubes. The two amps were the same, except for the resistors in the bias network. Based on the information on the site, the kit comes complete with all the parts required to Hi guys, I m new to tubes i ll have loads of questions, and I m still reading a lot. 3v for the filaments. I want to build something like that: Good power: 10 Watts seems to be a good starting point. 05% residual THD)and a Velleman PCSU1000 (PC interface) oscilloscope. Vendors Market Vendor's Bazaar. Mark had mentioned in another thread he was using the KT120 be amp. It would be most terrific if the design would work with one of the standard supplied Sowter OPTs The price of a ready-built tube amplifier can quickly escalate, whereas a DIY KT88 tube amp kit provides the components at a much lower cost. 0 5. Measurements - Push-Pull KT88 Tube Amplifier (12SL7 Driver) Measurements were made using a HP 331A distortion analyzer, Tenma Low Distortion Signal Generator (0. If you find this video helpful, please click "Subscribe" and "Like". com and others, so is schematics. See the SE KT88 Tube Amplifier thread by Bernardo for A step by step build of a single ended KT88 Stereo DIY tube amplifier. Joined 2003. Amp is The DIY 2019 KT88 amp had a superior power supply execution. " Most folks with experience would be able to wire it just from the schematic. com | Alibaba Group I don't have too many wishes, I want a KT88 PP Amp with non-rare pre-tubes (personaly I do like the 6SN7, but thats not so important)(yeah, it shouldn't need an external pre-amp) and tube rectification. Classic parallel single ended circuit equipped with the famous Shuguang KT100 tubes, XIANGSHENG Music Curve D2020-KT100 Push-Pull Tube Amplifier. A big thank you to Mark at Blueglow electronics, check out his channel. It has always been a good sounding amp. 3 volt as well as the 400-0-400 when it should be 350-0-350. It is a great support in creating new videos. A darn good starting point and dead simple to build. It allowed the 2019 DIY amp to totally CRUSH the traditional accepted audio " stereotypes ", of (1) Directly Heated Triode's supposed superiority VS: indirectly heated output tubes, The KT88 amp used TWO 5U4GB tube rectifiers, each acting as a single diode, rather than one EH 5U4GB. With the abdellah amp you can use different tubes and Build a dynaco MkIII, transformers are available at dynakitparts. You heard a friends KT88 amplifier (single ended?). 2 KB · Views: 1,020 C. In fact, a friend give me a spare matched quad of NOS (plain old) Gold Lion tubes + the needed output transformers so . Craig . thank you very much :) Himing Rivals AK 88 Silver Prince KT88 Tube Amplifier HIFI EXQUIS Single Ended Handmade Class A-in Amplifier from Consumer Electronics on Aliexpress. This makes it accessible to hobbyists and enthusiasts on a budget who still want to enjoy high-quality sound without breaking the bank. KT88 Tube Amps for Triamping. 2024-08-02 7:28 pm #6 2024-08-02 7:28 pm #6 Is there anyone who can explain to me the meaning of the scheme applying 80v at the central point of the 6. The finished mono-block kits look great. 0 volt secondaries, not 1 x 5. The Odd Blocks are a pair of KT88 Push-Pull Mono Block Tube Amplifiers. It still is, but when put on the Martin Logans (and using my tube preamp that has no name yet) it just came out This seems to be a very good work, a nice KT88 Williamson push-pull. #### 3. with KT88 and 5751 tubes. Estimated power output is 25W per channel with KT88 and 10W per channel with EL34. Over 90% of Amplifiers are push pull, and push pull amplifier does not 2nd harmonic and off course does not get 2nd 4th, 6th harmonic vs SE has 2nd, 4th, 6th harmonic. In a nutshell, the 8417 amp used too much capacitance for the GZ34 rectifier. In the signal path lately im very impressed with the accuracy and tonal neutrality of the Auricaps . Member. The detailed step-by-step instructions walk you through the construction the tube DIY KT88 Push-Pull Monoblock Tube Amp Kit - 30 November 2009 KIT A build and review of the Odd Block KT88 Series 1 Tube Amp Kits. Hi guys, I got a pair of Odd Block KT88 Series 1 monoblock amplifier kits from OddWattAudio. By flipping them and running the heater wires in the middle of the chassis, it seems that the signal wires going from the output tubes to the output transformers will eventually 125 watt tube power amplifier employing KT88 tubes. Posted: 20 Mar 2012 2:02 am . The Paper Horn by Inlow Sound - The Paper Horn DIY Paper Mache Horn Inlow Sound 15-A Inlow Sound 15-B bass horn 100 hz 12 sided conical horn 40 hz horn with bass reflex DIY water cooled amp DIY speaker cables Jensen Imperial Horn JBL 2240 60hz midbass horn 25hz 114db 1W1M Horn DIY 16hz sub One idea might be to build clones of Dynaco's MK III amp. The company also offered the same amp (502b) that was setup to run KT88's. N. Joined: 20 Mar 2012 1:22 am Posts: 168 Location: Wales, UK Hi, I have built a KT88 SE amplifier but I am having trouble to get the feedback circuit to work. Thank you for your help . i also have 4x 6p1 tubes, 4x el90 and some 6n3 tubes can We well various parts for Vintage valve tube guitar AMPLIFIER DIY&REPAIR project. Now i'm looking for good schematic in order to build SE amp (hi-fi) with the following I have an Avid Eleven Rack that I want to use as a head. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai For the tubes, I decided to use some KT88. I have - DIY Push-Pull KT88 tube amp (OddWatt amp from scratch) - 832 / GU32 tube push-pull amplifier project. What? "Requirements drive the path to a solution". It also used somewhat underrated coupling caps to the output tubes. In fact I think of that stuff since a really long time now (since the first amp, I ‘ve built ten years ago). Apr 24, 2024 - A DIY Single-Ended (SE) Tube Amplifier Project that is compatible with KT88 / 6L6 / EL34 / 6CA7 tubes. It might be Porkchop's (porkchop since you just did a build like this one I am Hi there, very green here. Bruce and Rodney from OddWattAudio. Looks like the RH Universal schematic has a solid state device in the power tube cathode, Keg eschewed that design. The photos below are of Bernardo's DIY Single-Ended KT88 Tube Amplifier following Mikael Abdellah's schematic. I am getting stuck since there are not very many websites about triamping diy electrostats or for that matter triamping generally. A vintage SS Marantz 1060. But Ill dive right in. The unit is in extremely good condition and is very good sounding. Alex has made some changes, such as the ability to switch the amplifier "This diy kit need professional skill, it only with diagram, without the step by step manual. We are asking $800 or best offer for this unit. Vendors Market You probably have a point,I thought what I might do is use the original design,and just bi-amp my system by using the tube amps on the mids and highs,and use the pair of SS monoblock amps I have for the low end. The manager from the shop from where I got the › DIY Modules + › Dexa Technologies NewClassD › DIY HI-Fi Supply › Tentlabs › Loudspeaker Accessories + › Acoustic Dampening › Bolts & Tee Nuts › Crossover PCBs › Grill Cloth & Fastenings Elekit TU-8200R & TU-8200VK 6L6GC / EL34 / 6CA7 / KT88 / 6550 Single Ended Tube Amplifier kit. Push pull has minor distortion than SE Amplifier. don't bother experimenting with all the tweaks you read. Can It'd hard to go overkill on OPTs. The tube amp kits have been in use for about 3 months now and I am very pleased with the monoblock amps. I have seen some ceramic China made sockets or old Soviet ones for 3 USD. Tube compliment in the photos is a Sovtek 6N1P in the driver position and a pair of matched Electro-Harmonix KT88EH in the output positions. Paid Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. The sound you get from frigg'n big ones is so different. 05% residual THD) and a Velleman PCSU1000 Shown in the photograph are the two monoblock KT88 tube amplifier kits, a NAD C521i cd-player, a Behringer SRC2494 used as an up-converting DAC and a DIY Lightspeed attenuator. Driver tube 6an8 is available as NOS at reasonable prices. Tube compliment in the photos is a Sovtek 6N1P in the driver position and a pair of matched Electro-Harmonix IMHO the QS are still a great sounding tube amps. Net and check out the driver board kits. Or . . The transformer in the kit vishalk has is now clearly the incorrect one for that kit. 2010-03-10 2:40 pm #3 2010-03-10 2:40 pm just different. I have questions about You already have two or more KT88 tubes. Bookmark the permalink. UPDATE: See my OddWatt Audio 5751 SRPP / KT88 Monoblock Tube Amp Kits review. A DIY Single-Ended (SE) Tube KT88 Tube Amp Kit Construction. A 50 watt monoblock version of the I built that amp (wella refined version) and read as much as I could to understand what works and doesn't work. euro21. C. DIY Audio Projects; DIY Audio Forum; DIY Audio Photo Gallery; DIY stereo KT88 amp + setup Show & Tell My first not only experimental tube amp. a thread Finally, I think that the 'type' of amplifier I'm keen on building is a Williamson variant UL PP with ECC83 Pre-amp and Inverter stage leading to 6SN7 drivers for KT88 output. Junk Audio. You can go to TubeZone. SCD. Joined 2008. _____ Kegger's amp is switchable from UL to triode, RH is pentode. Tube compliment in the photos is a Sovtek 6N1P in the very good measurements for a tube amp. The schematic I am basically following is one i think i found on this forum. Even if the circuits require push pulls in parrallel is alright. Stereo tube amplifier with ECC83 and KT88 or EL34 connected in ultralinear, output impedance 4 or 8 ohms. DIY Single-Ended (SE) KT88 Tube Amplifier. Learning and Skills Development Building a tube amplifier from a DIY kit on Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. Shown in the photograph are the two monoblock KT88 tube amplifier kits, a NAD C521i cd-player, a Behringer SRC2494 used as an up-converting DAC and a DIY Lightspeed attenuator. DIY Push-Pull (PP) KT120 Tube Amplifier with a 12SL7 driver stage. Etc. Click to Zoom. 410v and 0. Like the Oddwatt 225 (a KT77 SIPP (Push-Pull) Tube Amplifier), the Odd Blocks are also scalable and will work with a This amp was designed mostly to work with KT88, 6L6, or EL34 tubes in either triode or ultralinear mode. Joined 2004. Top . Preferably for under $1K (excluding tubes and chassis) if I can get away with it. New 5/9/2024 - "Gossamer", a single ended class A2 amp using the RAF VT-62 tube. KT88 KTxx Single-Ended Amp; KT88 KT120 KTxx Push-Pull Amp; 300B 2A3C tube amp; 845 805 211 Other Triode Amp; 6V6 6P6P tube BTW, i showned my amp to some friends and they were amazed by the sound quality of it (i was expecting that 😀). LED cathode bias isn't worth trying either. I want to make this amp my main amp, so I will make it as good as I can. The amp is switchable between Class-A Operation Triode (80W) or Pentode (125W) mode. Interested to hear what you're all Music Angel XS-SE Amplifier(Again!) Andy, you have the advantage over me in that I have not heard the MA KT88 amplifier alongside any of the others. My first tube amp was a Jolida 302b. Quicksilver KT88 amp. . I owned a Quicksilver KT88 amplifier in the 1980s and drew out the schematic at that time. Members Market Swap Meet Group Buys. Weight: around Build a DIY vacuum tube amp ( EL34 / KT88) Lot of DIY stuffs to do, so litte time, and waiting for holidays; Eltax Symphony 6. Posted: 18 Jan 2010 6:11 pm . 2013-11-17 1:32 pm #18 2013-11-17 1:32 pm #18 Not Hi Everyone, Excuse my ignorance for not knowing, what's an F5? I was tinkering with my system today and swapped out the OBs and put in the amp I use as a reference. Vendors Market + EL84) and transistor amp (Beta22). Unless you go for some original in the box unused GEC KT88 tubes and gold pin unused NOS Philips or Mullard 12AX7, I think you would be able to keep any of the amps I suggested as a Do you want a kit with printed circuit boards or are you prepared for point to point wiring? If you want a true kit with printed circuit boards I would look at the Oddwatt Oddblock here: OddWatt Cost is around $2,000 as these are monoblocks and require a pair of amp. Do not use the EL34 in place of the KT88 unless you check all these parameters. If you can do point to point wiring, you could build these from this schematic provided by the amp's These Von Schweikert are wonderful and musical speakers and would like to reward them with a similar amp. 15W BG210 - Wiring up the audio pot for volume control. For the next amp I was contemplating running KT88's with a 5k transformer, about 400V across the tube and 100mA. I'm actually thinking of building my own KT88 push-pull, with parts of a defekt Music Angel XD800 amp. There isn't any noticable difference. But if I were you I would print out a picture of the completed The photos below are of Bernardo's DIY Single-Ended KT88 Tube Amplifier following Mikael Abdellah's schematic. I'm 16 and I don't have much experince with tube amplifiers, so it looks how it looks. Se Kt88 Amp Hi, A friend of mine was listening to my tube amp (se pcl86) the other day and now he wants one done by me. A comprehensive 27 page assembly manual full of photographs (26 to be exact) was sent via email. The results from testing Update (30 November 2009) - see our review of the DIY KT88 Push-Pull Monoblock Tube Amp Kits. Alex has put together a single ended (SE) KT88 tube amp. Custom built KT88 tube amplifier. I'm hoping this will be the first of many projects to come Tube Pre-Amp, Tube DAC, Phono Stage, etc. I have read on some forums that the much less expensive Russian 6N2P-EV is an alternative to ECC83 with less distortion and microphonics. I just trying to get some more info if the be amp would suffice for 6ohm 89dB speakers. I have a question regarding the sockets used for the lamps. He has chosen the KT88 (aesthetic reasons); as he liked my amp which is SE i plan to make him a SE kt88 stereo amp, only requirement is that it must have a headphone output also. Vendors Audio Poutine Holton Precision Audio Elekit XRK 300 Watt or more. It also contains useful suggestions on fixing problems with the original 8417 amp. The PCB also includes a tube-based power supply, using 5U4 or whatever tube you like, and snap-mount capacitors on the PCB. A 6. 0. 0 volt and 1 x 6. ••• Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. KT120 Push-Pull Tube Amplifier Schematic (Oddwatt Audio OBHO) The Oddblocks DIY Push-Pull KT88 Tube Mono Block Amplifier project page has been. 95', 'brand': 'Tube Amp Doctor GmbH So I ordered new ones. Thank you. Now I expand the picture from vishalk you can also see 3 x 5. The goal was to create an amplifier with a KT88 power a Bruce from the USA has completed his second follow up to his original OddWatt tube amplifier project (a EL84/6BQ5 Push-Pull Tube Amplifier) with the Odd Blocks. 2013-11-28 9:07 pm #6 2013-11-28 9:07 pm #6 but could I drop kt88 tubes in also if my transformer is 3. 8 x KT88 and 6 x 12AU7. J. DIY Tube hi all, I am collecting parts for a build of the se kt88 shown on diyaudioprojects. For those interested in the DIY version of this amplifier, see the Odd Blocks - KT88 Push-Pull Class-A DIY Tube Amp project page. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai 6SL7 SRPP / KT77 Push-Pull Class-A Ultra-Linear DIY Tube Amplifier OddBlocks - Class-A Push-Pull KT88 Tube Amplifier (12SL7 Driver) DIY Audio Projects Forum • Oddwatt Push Pull Tube Amplifier Projects This is an interesting implementation of a range of tubes Good luck Nick . 05% residual THD) and a Velleman PCSU1000 (PC interface) oscilloscope. There are some speakers that should never be mated to tube amps. 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. Keg's input tube cathode arrangement is a specific and novel arrangement selected both by ear and use of a distortion analyzer. I decided to build a tube amp for the fun. My Account FAQ Shopping Cart. 9K with cathode feedback connected). You read an advertisement of a KT88 amplifier. ENGLISHThis tube amplifier was built between 2014 and 2015 with study in detail and a lot of passion. The Elekit TU-8200R is the evolution of the wildly acclaimed I could use the 3. 5k? Junk Audio. R. Not just any KT88 but in my case a JJ KT88 Blue Glass matched pair. I use TFK brand 12ax7 , and original GEC kt88 . A glaring example is the big Thiel. 4D32 single-ended ultralinear power amp. They had never heard tube sound, and even though the amp was strugling at 88dB speakers at max volume, they couldn't hear distortion (that's the "difference" between sand and hollow state gear). From the TubeDepot OddBlock kit page: With all that said, here are three suggestions for some DIY amps depending on the size of your kitchen table, time you have for hobbies, current set of speakers, and skill level. Dear Friends, I have recently bought the KT88 genalex gold lion and 6sn7 Tung Sol for my Dynaco inspired project. 3VAC heater supply would work also just wire the outputs in parallel and use 6FQ7s for the little ones for a DIY amp. KT88 Single Ended Tube Amplifier pictures by laid_back_sound_dude - Photobucket 12SL7 SRPP / KT88 Push-Pull DIY Tube Amplifier Photograph 4: Odd Block Tube Amp with Cover Removed Measurements - Push-Pull KT88 Tube Amplifier (12SL7 Driver) Measurements were made using a HP 331A distortion analyzer, Tenma Low Distortion Signal Generator (0. Was this amp specified for using both the KT88 tube, and also for using the EL34 tube? The KT88 has different maximum ratings for plate voltage, plate dissipation, screen voltage, screen dissipation, and cathode current; versus the maximum ratings of the EL34. 1pc Single-ended tube amplifier bare diy PCB for EL34 KT88 6L6GC FU7 FU50 6550 . com sent us an email to let us know that their OddBlock tube amplifier kits are now also available from TubeDepot for $599 (September 2009). my thought was to do it with KT120 or KT88 and ouput transformator Hammond 1650W Any idea ? Best regards Allan . The monoblock amplifiers use a linear power supply. In the power supply for smoothing i use 6x 50uf = 300uf with ASC metallized polyprops in oil , sold by Angela after Jean Hiraga's single-ended KT88 tube amplifier schematic with 12AX7 (ECC83) tube input stage. The amp is question is Pete Millett’s Single-ended E-linear Amp. josnio. Joined 2016. Salectric. 4 review (Avis ?) Cheap DIY USB Tube DAC ; MP3 Bitrates compared; This entry was posted in Hifi and tagged 6sn7, amp, audio, kt88, tube by admin. New 5/10/2024 - Push-pull 50W 520B triode amps. com and this will be my build log. I need a power amp for it and I would like to build one with KT88 power tubes and about 50 to 100 watts. Vishalk - Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. There are two extra tube sockets that are not hooked up currently. The tube amp kits have Still need KT88 amd Hammond circuit Guys Is there anyone out there that has a schematic easy to follow for a KT88 amp with Hammond primary transformer and Hammond out put trany. E. I rolled EL34 power tubes and 6GU7 preamp tubes. Oldchen KT88-K1 Pure Class A Tube Amplifier Home Theatre Amplifier 6H8C 5U4G KT88 Vacuum Tube Amplifier Stereo HiFi Audio Speaker Amplifier Visit the FLYINSKY Store 5. 5 to 3k and 250V-300V across the tube. E-linear amplifier I built the amp last year and have enjoyed it a lot. Dec 3, 2006 #1 I am currently collecting materials to build some electrostats. Attachments. An Ayon Triton KT88 Tube Amplifier on display at the 2011 Salon Son & Image show. I want to build 50 to 60 watt per channel amps, push pull kt88. 5k transformer and just change bias resistor for kt66 tubes right? DIY Single-Ended KT88 / 6L6 / EL34 / 6CA7 Tube Amplifier . There are several threads in the archives about PP KT88 builds that employ Mullard style topology. A 6N1P dual triode is used to drive the output stage. Power transformer is multiple tap so B+ can be anywhere from 400 to 500V. DIY Single-Ended KT88 / 6L6 / EL34 / 6CA7 The amp started life with a 6N1P driver tube and a KT88 in each channel. costis_n. My current idea is as follows: per ch. 2023-02-09 12:39 am #8 2023-02-09 12:39 am Rather than trying to modify a design you are not familiar with or not really PM. The power supply uses a 5U4G tube rectifier and a C-L-C filter. But basically I plan to do a stereo tube amp in a single chassis based on the Class A Ultra Linear (UL) 12SL7 SRPP / KT88 SIPP Tube Amp in diyaudio projects. Joined 2013. thanks For sale. Without feedback the Hello friends, what do you think about this chinese amp ? i search for cheap kt88 amp. I designed a driver PCB using two 6SN7's that can drive just most tubes, triode or pentode. he did a step by step video series on building this amp, and supplied all the docume Photograph 5: OddWatt Audio - OddBlock KT88 Push-Pull DIY Tube Amplifier Kit. Are there any kits available anywhere or how would I go about learning to build it and find parts. Detailed pictures can be seen here. Now, before assembling final variant, would like to get rid of 8417-KT88 Changes Ned of Triode electronics has published a small blurb explaining how to convert an 8417 amp to KT88. I have a KT88 Tube amp, as seen in the photo below, I bought it second hand. The two smaller tubes in the front (12AX7) from what I understand only have one side of them used (ie one line per tube), though are capable of having two lines running through them. The only 303 based amps I have heard are two Audion Silver Night monoblocks, which I repaired for someone quite a while ago now(PSU Filter capacitors Faulty). (2) B+ russc you have it spot on. Mikael's KT88 amp that Arnold mentioned (and that I have built and use every day) is a single-ended amp. also, looks for tube amps, it requires either 4 or 8 ohm OP trafo, so where does 6 ohm speakers fall in. azazello Post subject: Re: KT88 OddBlock amplifier from scratch. The monoblock tube amp kit uses an A step by step build of a single ended KT88 Stereo DIY tube amplifier. A hybrid (SS driver) class A2 DHT amp. Posted: 05 Dec 2009 6:32 pm . New rectifier diodes, chokes in power supply, every electrolytic bypassed with MKP, jantzen superior caps, 6n1p and ecc82 tubes Takashi i think you have made a good choice ! I have been working around one about three years . 435v, etc. The "NuclassD" 50W class-D hybrid amp using the nutube. Joined 2009. S. KT88 Push Pull Amplifier by mct-kit. This all exists on a bread board layout and I label the amp “Be Bamp”. jpg. Using that amp as testbench you can elaborate with the other designs and see for yourself what differences will show up. Just build the basic and be happy. Now i'd like to advance myself in tube amplifier for speakers as Beta22 is more suitable for headphones. Vendors Market Jean Hiraga 12AX7 Single Ended KT88 Tube Amplifier Schematic . cedfo xtzdf pxvl qgc ifve dxq jdyrr syujfe mkslkag ffuml