This video talks about the design and build process for this amp, which is built around the Tubelab Simple SE (now SSE) PCB. I built the enclosure, made the volume knob, did the wiring etc. Yeah, you can pretty much stick in anything that'll fit the socket. This a scratch built KT88 single ended with 6SJ7GT drivers. Using the extra winding and some filter math, you could easily tune in any target B+ from low max voltage tubes like 6V6/EL84 to higher max voltage tubes like EL34 or KT88. com), e sperimentare con la controreazione. com and DIYAudio. 3 hours ago. I just had a few bits of walnut knocking around and had to make do with that. I don't mind small (ish) output power but I really don't want a fancy frontend and a big voltage power supply to drive big KT88's to deliver a puny 25 watts output. com with this and other designs for which he provides the PCBs and encouragement. The Tubelab SSE board is used to make a simplified SE amplifier that uses indirectly heated tubes like the 6L6GC, EL34, KT88 and 6550. I built a pair of Bass Reflex Fostex 127E full range speakers a few years back. 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. Listening Impressions - Odd Block KT88 Tube Amp Kits. Well known George Anderson design built with the PCB he sells on his Tubelab site http://tubelab. 5k fit well for kT66,6L6 and kt88, 6550? Would it be better with 5K?. even you get an amp which cost almost the same with your current amp+upgrade tubes, i doubt it will sound better than the latter. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. I built the enclosure, made the volume knob, did the wiring etc. 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. Begonnen von daniii88. Interested in a custom project? I sell my projects and build on commission to support my hobby, but it is still a hobby at the end of the day. Listening Impressions - Odd Block KT88 Tube Amp Kits. It adopts a cobalt blue glass enclosure to provide better heat dissipation through the More Info ». On checking the Bias after a little while, on one of them, the bias kept slowly rising and rising. He makes some comparisons, saying the SimpleSE is "almost" as good, but prefers the sound of a DHT slightly more. The idea of building an amp was daunting of course. Being Japanese, the parts quality should be good & the chassis quality appears to be esp nice. I've tried to list links where there is (1) a picture, and (2) a schematic. Just a thought. These are expensive and because of changing prices we can only give prices by quotes. I thought to myself that sounds like a fun project. I have one quad of used test new Genelex KT88's. You could also do a EL84 or 6V6 push pull in ultralinear (Tubelab also has a PP board last time I checked). The cathode resistance is somewhat higher for an EL34 tube which will equate to less power than with an SE amplifier designed for a 6L6 amplifier but with our speakers there will still be plenty enough power. 1: Psvane & Shuguang KT88 reliability. KT88-Push-Pull-Tube-Amplifier-Cover. 0 a modern Mullard amplifier using 2 KT88 output tubes per channel. Free discussion forums, open to all and frequented by industry experts. Found 164 records in Search of Tubes Asylum. That heavyweight frontend is not what I wanted for this amp. 1 watts with the Hammond, 6. Biased according to the schematic each KT88 will draw 75mA and the 6N1P will draw 8 mA or so. Triode-wired single-ended amplifier designed by George Anderson, well-known (on Diyaudio. KT88's can take higher plate voltage and dissipate more wattage, so they are more powerful (in the right circuit). 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. 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. com and DIYAudio. Re: Tube rectified by Dogstar on Thu Oct 19, 2017 6:58 am The Tubelab. Shuguang Treasures or Psvanes are also Chinese premium tubes. So, it was designed to run at about %80 of its max in the MK3. Currently hooked up to a pair of Klipsch Forte II with Crites upgrades, and it's the best sound that I've heard. cc The forums at DIYTube. EDCOR is an acronym for Electronic Development Corporation. The KT88 heaters require 1. Audio Asylum Trader. He suggested I buy one of their…. Recently finished building a Tubelab SE amp with 45's, at least built enough to use it. With the kit supplied JAN Philips 5751 drivers and Genalex - Gold Lion KT88 output tubes the sound was superb. Input signal will be split with a Lundahl tranny and the positive and negative signal will be sent to each SE amp. The EL34 is probably the narrowest of the medium glass octals. Hi all, An elderly friend of mine had a fall recently and unfortunately fell against his hifi rack - with the result that: * the rack separated into its constituent parts, and. That said, most any of the tubes are interchangeable (with the possible exception of the lesser-quality Chinese tubes) in almost any piece of gear designed for a 6550 or KT88. Our products have been installed worldwide for over 40 years. com and DIYAudio. 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. They have an incredible ability to reproduce the guitar, they create a lifelike image that has to be heard to believed. org, diyaudio. Opinions on the original valve's performance I found while researching some background material for this review range from praise to a somewhat less enthusiastic response. TubeDepot carries a selection of 6550 / KT88 / KT90 Power Vacuum Tubes. They are not bothered by this and sound the best of all tubes tested if you want to play it loud. This is the result. This is an Aikido circuit with 6N1P driving 7044 tubes. 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. 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. A brand new addition to our KT88 offering with a 'blue' twist! This KT88-Z CB is another step of progress over current high end KT88 tubes on the market. These include: MOSFET driver for A2 output stagesFW rectifier+voltage doubler combo on a compact boardMOSFET cap multiplier and CCS for DHT filamentsShunt cascode boards v2 (slight layout changes to previous version)MOSFET "gyrator" anode loadLow voltage bipolar supply (LM317 and LM337) for…. And also, what are the specs? Is it 2 channel? I'm looking to power a pair of Klipsch Fortes with them. Product Review - A Comparison of 6550 and KT-88 Power Tubes - June, 2002 Jason Serinus. Careful attention would need to be paid to phase labeling and any power supply would use a bridge rectifier, but those are pretty small prices to pay for more flexible parts. This is the DIY amp kit that I built a few years ago from Bob Latino. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2911 views The third of the "OddWatt" tube amp projects. 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. It adopts a cobalt blue glass enclosure to provide better heat dissipation through the More Info ». I need one fast, but prices here are insane, and I just cant afford it. Tubefool Thats the scenario I always get when I go from an EL34 type to a KT88 or even a KT66. Found 200 records in Search of Tube DIY Asylum. You need to try it and draw your own conclusions. You could drive the KT120/150 higher. This is the result. The KT88 can be used interchangeably with its American rival, the 6550. com and DIYAudio. Yeah, you can pretty much stick in anything that'll fit the socket. At first I wanted to be a ET. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2897 views The third of the "OddWatt" tube amp projects. Click here for tips on using our search. 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. In this article a typical single ended tube amplifier circuit has been conversed. They both can use affordable and common driver tubes, along with the transformers. If you check it out the schematics are easy to find and simple. From what I hear, these tubes are interchangable on most amps it seems that the 6550 is the least loved tube of the bunch. Getting up to 10 watts in triode is the trick. The Simple SE design is very versatile in terms of what output tubes can be used. I built the enclosure, made the volume knob, did the wiring etc. There is also George of tubelab. This is a very fine preamp. I've been pretty lucky at getting some nice quality TS tubes at very good pric. He has a pcb (which I used) for a KT88/6550/EL34/etc SET amp called the Simple SE, and a more complicated DHT SET amp for 45/2A3/300B tubes using a mosfet to augment the driver tube. com), e sperimentare con la controreazione. The Tubelab SSE board is used to make a simplified SE amplifier that uses indirectly heated tubes like the 6L6GC, EL34, KT88 and 6550. Hickok 750 Tube Tester; The Hickok 750 is a Mutual Conductance tube tester. 0 watts with the Electra-Print, and 5. The VTV shootout is a bit dated, I think. It is a bit tight in there. The choke is a Triad C-14X which is 6H 150 ohm and rated at 200 mA. From what I hear, these tubes are interchangable on most amps it seems that the 6550 is the least loved tube of the bunch. Take a look at the following, especially the posts by "TubeLab". Xem thêm ý tưởng về Đồ điện tử, Loa và Âm thanh. Careful attention would need to be paid to phase labeling and any power supply would use a bridge rectifier, but those are pretty small prices to pay for more flexible parts. The "300B" amp looks like quality parts inside, but who knows what topology the builder followed. Ultra-linear Push-pull 6SL7 + 6V6 Tube Power Amplifier PCB (12W) PCB size: FR4 195X91X1. This is a journal about my first experience building a HiFi tube amplifier. The PP is a Mark Hill 5881 (basically a Yaqin) 6L6 @ appx. I think the output tube grid drive method used by George in his Tubelab SE is fantastic. Just showing off my Tubelab SSE build. Conversely, switching the rectifier to a 5V4 will give you about 30 volts more than the 5Z3. With the kit supplied JAN Philips 5751 drivers and Genalex - Gold Lion KT88 output tubes the sound was superb. com and DIYAudio. 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. Well known George Anderson design built with the PCB he sells on his Tubelab site http://tubelab. The use of ultra-linear architecture, the output of each channel cattle connected five lines, together with the feedback and the filament, the PCB wiring will appear much more, but does not affect its excellent replay. They have an incredible ability to reproduce the guitar, they create a lifelike image that has to be heard to believed. The fender super 4x10 style I did ages ago - I use it for bass mostly, with a delay pedal into the vibroverb channel It's there in one of the pics (left side) - its has a 'direct out' which I feed to a balancing iso-box and then to the M-Audio fw1814 front panel bal input. A Tubelab SE board in a clear Lexan case. You could drive the KT120/150 higher. New & NOS power tubes from Mullard, Tung-Sol, Telefunken, Sino, GE, Telefunken & more!. Also, are there any over arching tonal differences between 6550 types and kt88 types?. com FREE DELIVERY possible on eligible purchases. This is the DIY amp kit that I built a few years ago from Bob Latino. This is an Aikido circuit with 6N1P driving 7044 tubes. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. He has a pcb (which I used) for a KT88/6550/EL34/etc SET amp called the Simple SE, and a more complicated DHT SET amp for 45/2A3/300B tubes using a mosfet to augment the driver tube. The big question is how to drive them, I must admit Tube lab's powerdrive looks good. Send in your ideas of where you used our products - we will be glad to post them here - Application section; Eleven (11) new high current - dual primary - stock transformers added to our line - perfect for high power - tube filaments (February 2014). The meter movement on this tester has been replaced. Been concentrating on the two kit amps offered by Tubelab, but have started to broaden my search after some of the posts in this thread. Title: KT88 Author: M-O Valve Subject: JA-FP-2000-10-01 Created Date: 10/1/2000 7:35:29 PM. This design has been committed to a PC board for reliable and easy construction. Re: Gold Lion KT88 vs Electro-Harmonix KT88 tubes by Lamkochai on Thu Aug 20, 2009 5:57 pm i regard the tube as a component so if i were you i will pay for the quad set even they are more expensive than the amp price. I need one fast, but prices here are insane, and I just cant afford it. Buy Electro-Harmonix KT88 Vacuum Tube, Matched Quad: Tubes - Amazon. 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. But both will work with a bunch of output tubes, KT88, EL34, 6L6GC, 807, 6P3S, 6550, etc. (shown w/o power supply section) Here is the schematic for the power supply section. Two different power amps, both single ended designs, as it appears to me. The Baby Huey EL84 is a design to consider, too, but there are no boards that I know of. I chose 450V, which is as high as I can safely go with the 500V capacitors. The PP is a Mark Hill 5881 (basically a Yaqin) 6L6 @ appx. 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. This board is used to construct amplifiers from a basic low cost design to a high end triode mode amplifier. It comes down to personal choice on which way you want to go. It is a bit tight in there. Finished my Tubelab SSE and I am beyond pleased. I have searched the forums and have not been able to find a specific reference to the purpose of the 5H 250R choke and 10uF cap for the 6N1P plate as shown on the schematic:. 2 watts with the Triode unit. Victor sent a fully assembled amp he had been listening to, plus the 20-page assembly manual in English and a huge collection of power tubes (the TU-879S ships with 6L6GC but also accepts EL34/6CA7, KT66 and KT88). The motor run capacitor is 90uF / 370V. It's a single-ended 300B amp - my first jump into tube amps. KT88's can take higher plate voltage and dissipate more wattage, so they are more powerful (in the right circuit). So, it was designed to run at about %80 of its max in the MK3. Today, there are a number of quality KT88 tubes available for audio and guitar applications. So, please offer an opinion on the kinkless tetrodes - KT66, KT77, and KT88. 20) írásomat a diyaudio. Watford Valves - Test Reviews that the Ampeg growl was not as easy to get as it was from the Sovtek or the Harma 6550. The images are of my own Tubelab SE (with KT88's), which is playing fine music on a regular basis. It only makes about 8 watts/channel. I always get more body with the KT88 and this one of the reasons I love paper in oil caps. 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. In most time 5881 is better than 6l6gc,kt66 is better than 5881,ou,perhaps you can choose 350b,If you prefer the warm and lush,kt66 is best. This a scratch built KT88 single ended with 6SJ7GT drivers. They probably could work directly for the KT88 in triode as is. I'm a believer in point-to-point construction, but not because I think it necessarily sounds any better. Finished my Tubelab SSE and I am beyond pleased. Begonnen von daniii88. The motor run capacitor is 90uF / 370V. com are a great resource also. The Simple SE design is very versatile in terms of what output tubes can be used. 7 Antworten 3. Figured a KT88 could come close (or maybe a KT120?) After studying Valve Wizard's site, I thought I had a handle on the problem, but my first attempt badly miscalculated the OT value, HT voltages, and totally ignored the screen dissipation, so, before buying more inappropriate iron, figured I'd better bite the bullet and ask. Found 164 records in Search of Tubes Asylum. 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. It was a breakthrough power triode, but in those days it hummed away from behind a curtain in early Hollywood sound systems. A friend from work told me he built Hi-Fi tube amps as a hobby. There is a Soft Start board and a Speaker Protection board. Using the extra winding and some filter math, you could easily tune in any target B+ from low max voltage tubes like 6V6/EL84 to higher max voltage tubes like EL34 or KT88. He suggested I build a Single End, class A amplifier and told me to do some research on TubeLab. Also, are there any over arching tonal differences between 6550 types and kt88 types?. Allied 6K7VG Transcendar 10w 5K SE Transformers (90ma). The 300b has a plate dissipation of around 40 watts, so does the KT88, that is why in triode their power is about the same. The KT88 can be used interchangeably with its American rival, the 6550. Takes EL34s, KT88s, and more. Some of them do sound nicer than others, though. And also, what are the specs? Is it 2 channel? I'm looking to power a pair of Klipsch Fortes with them. Tubelab Simple SE - Description is a two-stage design with a single 12AT7 serving as the input stage to both channels and a pair of EL34/6L6/6550/KT88 type. Its high dissipation rating (42W) and maximum voltage (800V) allow it produce more power than itse pin compatible cousins the 6L6 or EL34. Here is my schematic with the necessary changes to make it push pull. In most time 5881 is better than 6l6gc,kt66 is better than 5881,ou,perhaps you can choose 350b,If you prefer the warm and lush,kt66 is best. And both SE amps will work with only 3 tubes for stereo. I'm not sure who if anyone is manufacturing them there for low prices and shipping heavy iron overseas might be pricey. What if the best sound was achieved decades ago? In 1938, Western Electric manufactured the first type 300-B electron tube. +1 on JJKT88's. This board is used to construct amplifiers from a basic low cost design to a high end triode mode amplifier. 3 volt power transformer came as a separate. 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. Hi all, i am building a class A push pull kt88 tube amp which consists of 2 SE 6sn7 x kt88 amps into an EICO HF87 output transformer. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). See more ideas about Vacuum tube, Hifi audio and Audio amplifier. Been concentrating on the two kit amps offered by Tubelab, but have started to broaden my search after some of the posts in this thread. He suggested I buy one of their…. Where I don't want to slog through in a half-understood language, I use Google's translation page. It's a single-ended 300B amp - my first jump into tube amps. Just need to fit it into a nice chassis. With the kit supplied JAN Philips 5751 drivers and Genalex - Gold Lion KT88 output tubes the sound was superb. New & NOS power tubes from Mullard, Tung-Sol, Telefunken, Sino, GE, Telefunken & more!. The Baby Huey EL84 is a design to consider, too, but there are no boards that I know of. It adopts a cobalt blue glass enclosure to provide better heat dissipation through the More Info ». this amp has a simple 12aT7 front end, and which I can directly attest does a very good job driving the KT88. Takes EL34s, KT88s, and more. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. Just looking for peoples opinions and preferences for current issue kt88 & 6550 power tubes. 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. 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. The big question is how to drive them, I must admit Tube lab's powerdrive looks good. More details of the design are available here. Push comes to shove, I will go with DHT all the time. I'm interested mostly in what the effect is of dropping the grid leak resistor to 220k on the KT88? I've seen this value on TubeLab's Simple SE design for a similar amp. The Simple SE design is very versatile in terms of what output tubes can be used. If you can forego the remote, the Oldchen KT88-K3 is an amazing amp for not a lot of money. Can be used in place of 6550 for a more "round" bass signature. com with this and other designs for which he provides the PCBs and encouragement. TubeLab-Simple-SE-6L6GC-Tube-Amp. Tube Amp Project: Tubelab SPP (Simple Push-Pull) An amp I didn't really intend to build. I promised to write something about these much-loved tubes after I'd put about 100 hours on them, so here we go. TubeDepot carries a selection of 6550 / KT88 / KT90 Power Vacuum Tubes. That heavyweight frontend is not what I wanted for this amp. A Tubelab SE board in a clear Lexan case. The KT88 is one of the few classic audio output valves. cobar53 replied to Tony M's topic in Speakers & Subwoofers I have been impressed by two projects on the DIY Audio shop site. jpg KT88 Push-Pull Tube Amplifier (monoblock) 2911 views The third of the "OddWatt" tube amp projects. diyaudio) submitted 5 years ago by SourMash_plh I so badly want to learn to design and make audio amplifiers, and have for a long time. I think the output tube grid drive method used by George in his Tubelab SE is fantastic. The only components that are really near the bottom cover are the backs of a couple of the big electrolytics a. com are a great resource also. The figures given are for single ended use, but the valve is almost invariably used in push pull pairs. Holy crooked caps was my main takeaway. Audio advice and discussions with audiophiles and professionals. Hello Blake, This is a conventional build (in a way). This tube is a favorite of audiophiles. Most of the guesswork is done for you on those. 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. This is a journal about my first experience building a HiFi tube amplifier. Im diesem Blog möchte ich sozusagen etwas aus dem "Nähkästchen" plaudern. Allied 6K7VG Transcendar 10w 5K SE Transformers (90ma). These devices are indrectly heated with the cathode tied to one side of the heater filament and powered from a grounded centre tapped transformer as each anode goes positive, current flows with rectification occurring at each. Most of the guesswork is done for you on those. You could drive the KT120/150 higher. The cathode resistance is somewhat higher for an EL34 tube which will equate to less power than with an SE amplifier designed for a 6L6 amplifier but with our speakers there will still be plenty enough power. I wonder how Found total of 200 records, Query: psvane in Tubes Asylum, Time: 0 sec. Some really good candidates to take inspiration from are Mikael Abdellah's SE KT88 project which has got high accolades. I used fixed battery bias, which sounded wonderful. I'm not sure who if anyone is manufacturing them there for low prices and shipping heavy iron overseas might be pricey. 今日は、散歩の後にのんびりです。 涼しくなったので久しぶりに真空管ampの火を入れました。 #オーディオ #真空管アンプ #kt88 #tad_e1 #jazz. How was this photo taken? Turn off the room lights. The only difference here is that the 6. No idea how long they'd been in there before I got the amp. As is the case with many of us, I'm sure, I have to put projects on hold from time to time, either because I need to simply get away and see something new on the bench, or I'm too busy. Jerry, There will be plenty of opinions here on which way to go. Holy crooked caps was my main takeaway. Great sounding amplifier. Pete Millett's DCPP red boards would make a cheap and cheerful but superbly killer project, EL34/KT88 killer. The elex is a bloody good amp. Jerry, There will be plenty of opinions here on which way to go. That is 83 mA per side. 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 took … Continue reading →. 3 volt power transformer came as a separate. At the time this manual was written, the Tubelab SSE has only been tested as a stand alone single ended amplifier. Getting up to 10 watts in triode is the trick. The hifi tubes seem to want higher screen voltage. I probably should add that my SE EL34 amplifier is the Tubelab SSE one. The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. Tube Amp Project: Tubelab Simple SE My first single-ended tube amp. Our products have been installed worldwide for over 40 years. Both myself and dmsheehan are running one. Which would give performance similar to 7868s. 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. 150) The RCA 6l6gc is better,but it's expensive. As is the case with many of us, I'm sure, I have to put projects on hold from time to time, either because I need to simply get away and see something new on the bench, or I'm too busy. 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. Where I don't want to slog through in a half-understood language, I use Google's translation page. Im diesem Blog möchte ich sozusagen etwas aus dem "Nähkästchen" plaudern. This is a journal about my first experience building a HiFi tube amplifier. So there are two output transformers, one choke and two power transformers (one 6. Song: "Jacksonville" by Sufjan Stevens. 1 watts with the Hammond, 6. Holy crooked caps was my main takeaway. But I have only used 6550's in my svt's. The first one looks like octal output tubes (6L6, EL34, KT88 or what have you). He suggested I buy one of their…. KT88/SVET KT88/TESLA: The JJ KT88 has been around now for a good. Just showing off my Tubelab SSE build. Watch Queue Queue. wmv Vacuum Tube This video was inspired by a question I was asked about swapping KT88's in place of EL34/6CA7's. That is 83 mA per side. The motor run capacitor is 90uF / 370V. A tartalom bővítése érdekében áthozom ezt a régebbi (2010. It is similar but not identical in spec to the 6550. 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. It is essentially a hand-wired Tubelab SE with a quite different power supply. this amp has a simple 12aT7 front end, and which I can directly attest does a very good job driving the KT88. Which would give performance similar to 7868s. Solid Silver single secondary and Solid Silver multiple tap secondary transformers are available, price will be quoted for each upon request. 5k fit well for kT66,6L6 and kt88, 6550? Would it be better with 5K?. Audio Asylum Trader. HIFIDIY论坛-做J版的 6SL7 - 6550 (KT88)单端 - 手机版 - Powered by Discuz! More information Find this Pin and more on wooden chasis tube by Dinding Papan. 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. This is a journal about my first experience building a HiFi tube amplifier. Tube Amp Project: Tubelab SPP (Simple Push-Pull) An amp I didn't really intend to build. 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. This one is the Odd Blocks which will work with a number of octal tubes (KT77, 6CA7, EL34, 6L6GC, KT88, KT90, 6550). The JJ's sound the best to me when compared in the same amp. KT88-Push-Pull-Tube-Amplifier-Cover. elemzése www. Pete Millett's DCPP red boards would make a cheap and cheerful but superbly killer project, EL34/KT88 killer. A Tubelab amp would also be available on a board and he has a recommended bill of materials on his site. The rank is calculated using a combination of average daily visitors to this site and pageviews on this site over the past 3 months. 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. This is the schematic for the Tubelab SSE amplifier. I contacted him 3 years after he designed the amplifier and he told me it is has main amp and he uses it daily. Xem thêm ý tưởng về Đồ điện tử, Loa và Âm thanh. i have an Elex-r that replaced a SE kt88 amp, i didnt want to admit it at first but the Rega sounds better to me. With the kit supplied JAN Philips 5751 drivers and Genalex - Gold Lion KT88 output tubes the sound was superb. Getting up to 10 watts in triode is the trick. On checking the Bias after a little while, on one of them, the bias kept slowly rising and rising. Well known George Anderson design built with the PCB he sells on his Tubelab site http://tubelab. Has any one tried the new Sophia Electric Aqua 274B tube in their Decware gear? From their website, "Sophia Electric came out with a newly designed Aqua 274B rectifier tube to raise the limitation from 8uf to 47uf.