Kt88 set diy. We'll see how they sound.

Kt88 set diy Remarks - DIY Single-Ended KT88 / 6L6 / EL34 / 6CA7 Tube Amp. The 6550 did not have as solid of a bottom end as the Gold Lion KT88, but I did find that prefer them with guitar rich music. Member. First I wanted to make a 20W SET DHT amp (As Suncalc pointed out, it might be a little crazy for a first build), then I wondered about Push-Pull constructions with a KT88 tube. I wish I can reuse the wood+metallic case, the 4 Shuguang KT88 tubes, and the 4 transformers (output + power). So, I set the meter in either the 2000mv range and bias at approx 500mv or at 20v where the bias is . I honestly think OPT and tubes make biggest difference in sounds, the next is biasing and proper driving of output tube. My Shopping Cart; My Account; Terms & Conditions I am looking for a detailed KT88 mono schematic utilizing 8 KT88's in push pull with 6sn7's as drivers. I've built the S-5 K-12G in the past, and been wanting to build a simple single-ended amp for a while, and then I saw blueglow electronics was doing this exact build. Consist of brand new JJ Electronic tubes: KT88 x 2 + ECC83S x 1. 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. And now, ladies and gentlemen, the choice as fallen on a KT88 SET type amp. Jan 17, 2005 · It uses two TT21 (need to confirm this) which i understand are equivelants to KT88's. It use's one 6Y6G as a driver tube !! I was thinking that everthing points to a choke loaded parafeed KT88 SET. by Jasmin | Jun 6, 2022 | KT88 Schematics. Maybe due to the SE operation. I really like this design and I decided to give it a go. On the output stage I was able to try a quad set of Winged "C" (SED) 6550C tubes which also sounded very good. Built my first ever amp, a SET KT88, followed Blueglow on YouTube, Couple of questions, first one, KT88 internal glows less bright than the the other. I've only built guitar tube amps before (mono), so I wasn't sure about the orientation of the 2 OT's. I have attached a copy of Alex’s schematic diagram of one channel and the power Select Page. The general topology of the dynaco circuit is finebut the implementation is not good. I'm actually thinking of building my own KT88 push-pull, with parts of a defekt Music Angel XD800 amp. Tube DIY Asylum Aikido KT88 SET, etc. The pentode is connected in triode mode will be driving the KT88, there will plenty of current and voltage swing to drive the power KT88 Single EndVacuum Tube Amplifier Sep 1, 2014 · The 12AX7 did sound decent enough, but did not sound as refined as the 5751. Dec 1, 2024 · Power Supply for KT88 SET. On the last page of the KT88 Titania user manual, the CE declaration of conformity is signed by the Toroidy Transformatory owner. 32. also there was nothing connected to the output sockets of the amp. The output transformers are toroidy TTG-KT88SE - primary 3,0k ohms, max 40W. cheers, Douglas Jan 10, 2010 · This seems to be a very good work, a nice KT88 Williamson push-pull. Oct 10, 2015 · planning DIY SE KT88 build. 6A heater current, you might want to check your heater voltage when you have a 6L6GC in the amp. -- Jan 25, 2007 · Audio Asylum - Tube DIY Asylum - Do It Yourself (DIY) paradise for tube and SET project builders. After I finished wiring the stereo SE tube amplifier, I fired it up and what a glorious sound! It has better sound than my Push-Pull KT88 commercial amp. Aikido KT88 SET, etc. It's a SE amp with a 5687 as a driver tube and two KT88s (one per channel obviously) on the output. The schematic I am basically following is one i think i found on this forum. 87 Tung-Sol 6550 1963 Solid Grey Plate - 4. I'd be curious if there are references for the various output tube Jan 10, 2017 · Hi Folks I am a newcomer to the world of tube/valve electronics, and I have built the KT88 based single-ended amplifier based upon Alex Gendrano’s design, which in turn was based upon Mikhail Abdellah’s design. I knew about the PT and OT laminations being 90 degrees apart, but I didn't know about the OT's, thanks! Re: Aikido KT88 SET, etc. Aug 2, 2018 · "This diy kit need professional skill, it only with diagram, without the step by step manual. " The KT88's filament is 2 & 7. I have it set to about 31W with KT88 and 17W with EL34. OK, do your worst. I will be using 6BM8 to drive the KT 88, 6BM8 is a triode and pentode in one tube. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai Sep 6, 2014 · Jean Hiraga 12AX7 (ECC83) Single-Ended KT88 Tube Amplifier Schematic. . Apr 6, 2024 · First I wanted to make a 20W SET DHT amp (As Suncalc pointed out, it might be a little crazy for a first build), then I wondered about Push-Pull constructions with a KT88 tube. thanks Feb 1, 2008 · Why burn good tubes? I've considered re-biasing, but I also run KT88's, which would be biased a little too cold if I changed the cathode resistor value. Apr 22, 2012 · Since your heater supply is designed for KT88, which draws 1. There is a company in China that claims to have the Shuguang KT88-Z (KT88) Treasure series. I bought an existing EL34 SET amp and modify it to run KT88. Jan 25, 2007 · Audio Asylum - Tube DIY Asylum - Do It Yourself (DIY) paradise for tube and SET project builders. Can someone recommend where to find schematics and parts list? Oct 20, 2009 · Can someone explain general sonic differences between the EL34, KT88, 300B, 2A3, 805, 845 in SET and PP configurations in terms of bass, midrange, highs, tonality, sound stage, dynamics, resolution, imaging, harmonics, etc. 6GU7+ KT120 SET, better than 6550 and KT88 som test data from my amp gives good Jun 28, 2005 · Thanks for that info. So I currently have 135R cathode resistor and KT88, but if I remove one of the resistors, I can put in EL34. The power supply consists of a 5U4G rectifier with a CLC filter feeding a voltage regulator circuit with a 0C3, 6AS7G (or in this case a 6080) and a 12AX7. A switch for changing cathode resistor values would be kind of cool 🙂 I've got a set of 6L6GC's coming for this amp also. Jan 7, 2019 · I've been really busy but have wanted to build the Kegger se kt88 for awhile now and after seeing blueglows youtube videos I'm sold. Jan 16, 2022 · I stumbled upon Bob Cordell's KT88 amplifier presented in Linear Audio. Nov 10, 2019 · DIY 300B Single-Ended-Triode (SET) Hi-Fi Amplifier - 24 March 2014 This DIY 300B triode amplifier project was completed by Stamou Tasos who is from Greece. You can swap the KT88 output tubes with 6L6, or EL34 / 6CA7. , posted on January 27 Select Page. Feb 7, 2012 · The title of your post says "stereo". Posted: 17 May 2011 7:55 pm . 5mV. 150. The KT88 push-pull model is called Titania. I have built it with 2 cathode resistors of the same value - 270R connected in parallel. Posted: 20 Dec 2015 4:35 pm . A step by step build of a single ended KT88 Stereo DIY tube amplifier. Mar 4, 2011 · *) Output transformers will be bought powerful enough so they may be reused in, say, a KT88 SET if needed. DIY Single-Ended (SE) KT88 Tube Amplifier The photos below are of Bernardo's DIY Single-Ended KT88 Tube Amplifier following Mikael Abdellah's schematic. If your intention is to build two mono-blocks, you will need 2 more KT88, 1 more output transformer, 1 more power transformer. I would like to build an SE amplifier with two parallel KT88 output tubes. edit 2: the KT88 require 1. Morrison. Was about to order directly from Silk because I wanted potted but it would cost me US$195 per pair plus shipping. 89. 138. Amp sounds amazing, had assembly issues crimped wire on PS Transformer to chassis, second actually had a Dec 6, 2024 · Tubes set for TU-8400 amplifier kit. Anyway I don't know if the volume had gone up or down as I quickly switched off the amp as soon as I started to hear the weird noises and slight blue flashing coming off the output tube. There is a schematic of what I've done so far. He is a great guy! The 2 amps that I own have been upgraded. It might be Porkchop's (porkchop since you just did a build like this one I am Feb 19, 2016 · I have built quite a number of SE amps, including KT88 SE's. Set the pentode plate voltage at 20-22% of B+ available to the split-load. :yes: It's a little unique in the fact that the OPT primary Z is 10k (about twice what most folks would run), to keep distortion at a very minimum. Run the pentode with 15-20k plate load and the 6AH4 with 10k loads. ••• 3 days ago · Hi Bruce Thanks for your advice. BOTH SRPP and CCS must be able to drive KT88 when properly biased, so I would guess there wouldn't be much difference in sound when OPT and tubes are the same. Jun 22, 2007 · With various KT88 amplifiers we have had good results using the new production JJ KT88 Blue Glass and Genalex - Gold Lion KT88 tubes. 50. Aug 18, 2023 · Pulled the trigger, ordered the grid chokes from DIY Hifi Supply shop, cheaper there. I am new to this forum and a bit of a novice when it comes to building valve amplifiers. 6L6GC draws on 900mA heater current. Would I need to up the cathode resistor to I am building a SET KT88 as well, not building it from scratch though. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai Nov 30, 2009 · Design and construction of a pair of push-pull class-A, Ultra-Linear Mono Block Tube Amplifiers that can be used with several different power vacuum tubes including EL34, KT77, 6L6GC, 6550, KT88, KT90. My knowledge of electronics theory is limited (relating to valve tech) but I'm confident with a soldering iron, as well as following basic safety guidelines. Joined: 28 Feb 2013 11:45 am Posts: 11 ]Hi Apr 6, 2024 · First I wanted to make a 20W SET DHT amp (As Suncalc pointed out, it might be a little crazy for a first build), then I wondered about Push-Pull constructions with a KT88 tube. he did a step by step video series on building this amp, and supplied all the docume KT88 KT120 KTxx Tube Amp. 5K:8 seem to fit many tubes and configurations, though a 'large' transformer may not have quite enough primary inductance to fully reproduce the lowest frequencies in a pentode configuration. I would be more than happy with 10Watts of power, but need something with clean deep bass. I was going to have to fix some really questionable soldering and replace all the tube sockets and grid resistors and the chassis had some cosmetic damage so I figured with all that work, I hi all, I am collecting parts for a build of the se kt88 shown on diyaudioprojects. A big thank you to Mark at Blueglow electronics, check out his channel. Joined 2017. Apr 3, 2016 · I will be constructing an amplifier based on the infamous Mikael KT88 SE schematic that seems to be a favourite schematic to build. It needed a lot of work - I got one side working and I really liked it. C. Posted by Thomas Martens on January 26, 2007 at 09:08:03 In Reply to: Re: My Opinion on Aikido KT88 SET, etc. Page 1 of 3 [ 21 posts ] Go to page 1, 2, 3 Next Previous Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Phillips 212 A step by step build of a single ended KT88 Stereo DIY tube amplifier. 77 JJ KT88 2002 - 4. Sep 10, 2014 · A DIY Single-Ended (SE) Tube Amplifier Project that is compatible with KT88 / 6L6 / EL34 / 6CA7 tubes. Any pointers as to suitable circuits. I want to used KT150 tubes. KT88 SET. Jun 29, 2023 · Hi all, Could I just have a confirmation please? I have the KT88SE build, as per Kegger/Blueglow schematic. KT88 KTxx Single-Ended Amp; KT88 KT120 KTxx Push-Pull Amp; 300B 2A3C tube amp; 845 805 211 Other Triode Amp; 6V6 6P6P tube amps; Special music tube amp. I was also considering the Winged "C" (SED) KT-88's, as I have the winged "C" (SED) EL34's. A 6N1P dual triode is used to drive the output stage. I enjoy my 5 watt se builds but have a party coming up this spring and need more power so am ready to get started but have a few questions. Mar 17, 2019 · Really new Guy Trying to Build. Thread starter invaderzim; Start date Oct 9, 2015; 1; 2; 3 Feb 16, 2012 · The GL KT88's that have been in my Odd Watt amps are set at around 90. 2018-08 I just finished building my KT88 SET amp for my office/workshop setup. Sep 6, 2014 · Jean Hiraga 12AX7 (ECC83) Single-Ended KT88 Tube Amplifier Schematic. My Shopping Cart; My Account First I wanted to make a 20W SET DHT amp (As Suncalc pointed out, it might be a little crazy for a first build), then I wondered about Push-Pull constructions with a KT88 tube. 6A heater current. posted by JoshK on January 25, 2007 at 12:53:57: At first I was going to order another set, but I looked around for some reviews for the KT-88's and found that the Shuguang Treasure series had a good review. The user manual is available on the fezz audio web site; the schematic diagram is not included, unfortunately. 😎 - Frank. On another note, the Yaqin MC-10L had good output transformers. , posted on January 27 First I wanted to make a 20W SET DHT amp (As Suncalc pointed out, it might be a little crazy for a first build), then I wondered about Push-Pull constructions with a KT88 tube. The schematics state a number of other valves are drop in replacements, including the EL34. He uses the kt88s in pentode mode and I will use them both in pentode and ul mode. edit: my mistake, the 5751 or 12SL7 can be used interchangeably, with the exception of the heater voltage. We'll see how they sound. vishalk. Any help will be greatly appreciated. If the heater voltage is much higher than about 6. Joined: 15 Jul 2009 9:59 pm Posts: 11 Location Sep 12, 2008 · Try connecting a good quality 270k resistor (caddock mk132 are good in this application) between the KT88 plate and the 6N1P plate. 63 (SET, Tube DIY, etc). Maybe set up to drive the 300B to full output and use less of the volume control for the KT88? Or as BAS says, you won't get full output from the 300B if the driver is optimized for the KT88. The local feedback loop will lower output impedance, distortion and gain. Jean Hiraga's single-ended KT88 tube amplifier schematic with 12AX7 (ECC83) tube input stage. DIY Audio Projects; DIY Audio Forum; Post subject: Power Supply for KT88 SET. Setting my digital meter to 200mv range gives me a reading of 1. Dec 1, 2008 · I've still got the schematics from my SET EL34 amp Tim, and I even have the Heyboer number for the custom wound outputs and choke. As a thank you for the 300B amplifier schematics, Stamou has shared his implementation of the 300B single-ended tube amplifier schematic by J. VTV 6550/KT88 Shoot Out for Hi-Fi Genalex KT88 Gold Lion 1969 - 4. Sep 17, 2024 · It was designed to run el34s or KT88/6550s and was already strapped for triode mode. Jan 15, 2018 · The 801A is biased at near 0V on the grid, so the grid swings both positive and negative, A2 operation with the grid drawing current, provided by the cathode follower (traditional SET designs are A1 operation only, typically, without grid current). Jan 24, 2020 · They are sold with the Fezz Audio brand name. Jun 15, 2023 · Setting the bias instructions I think, may be incorrect hence the pencil annotations. Cathode Bias resistor is 500R set up for KT88. Posted by JoshK on January 27, 2007 at 11:13:02 In Reply to: Aikido KT88 SET, etc. I have been doing some reading online and I think I want to make a stereo amp using kt-88 tubs and hammond 1650N output and 274 power transformers. Consider a better pentode; 6EJ7 perhaps, followed by a 6AH4 for the split-load phase splitter. Oct 15, 2018 · I was hoping to get some feedback on the layout for a KT88 single-ended amp that I'm building. I assembled one channel on test bench and it seams that it works fine. Bruce and Rodney are partners with the company Odd Watt Audio, and I occasionally talk with Bruce from time to time. 6V, that is likely to decrease the life of the tube. com that was originally of mikael abdellah's amp. Jul 4, 2007 · kt-88 amp schematic/parts list I am new to this whole DIY thing. Jun 26, 2015 · Featured Vendors The diyAudio Store Parts Connexion miniDSP DIY HiFi Supply. 6L6 6P3P tube amp; EL84 6P14 tube amp; 6P1 tube amp; FUxx 807 cap tube amp Oct 26, 2024 · DIY Audio Forum; DIY Audio Photo Gallery Suitable speakers for the KT88 SET project. posted by Thomas Martens on January 26, 2007 at 09:08:03: Nov 14, 2006 · A KT88 can be driven with 32-33V swing, more than double (IIRC) that for the 300B. kdnwd lzycbms ltcxx gskwc qniym uokjroj faogbns aaf crqkvf wobwiyf