Kt88 push pull amplifier

Amplifier & Power Supply. A review oddwatt audio 5751 srpp / kt88 push-pull monoblock tube amplifier kits. Classifieds: FOR SALE - KT-88 / KT-120 Custom-Built Push Pull Tube Amp based on Dynaco Mk. Enclosed (shielded), 4 slot, above chassis Type 'X' mounting. New here. Find more of what you love on eBay stores! Hi-Fi Stereo KT88 Vacuum Tube Amplifier Push-Pull Home Audio Amp Pure That brings me to this new amp from KR Audio, the VA-880, an integrated amp featuring a traditional push-pull KT88 output section, driven by transistors. Hifi Single Ended Kt88 Vacuum Tube Amplifier , Find Complete Details about Hifi Single Ended Kt88 Vacuum Tube Amplifier,Kt88 Vacuum Tube Amplifier,Single Ended Kt88 Tube Amplifier,Hifi Tube Amplifier from Amplifier Supplier or Manufacturer-Shenzhen Hanlongjia Technology Co. KT120 Push Pull Amplfier. OPUS 4 MONO BLOCKS. Want around 100 watts, which the KT88 should easily do. I'm looking for a "simple" schematic for a power amplifier circuit that can run a pair of KT88s in push-pull. Yaqin MS-110B is a quality vacuum tube amplifier with 4 KT88 tubes with 50 watts output. The Grids are referenced to ground (chassis) by a 220k resistor. SE can only operate cleanly in Class A, and whereas a push-pull output stage tends to cancel out even harmonic distortion, a single ended one won't. Auto biased. It was absolutely, systematically and thoroughly pulverised sonically by my 211 parallel single endedbased amps. It uses 6sn7/6h8 driver and one 6sl7 tube. And they convince me to build a push-pull instead of a single-end. DestinY Audio - German Audiophile Engineering since 2006! DestinY KT 88 Deluxe MK 2 The new KT 88 Deluxe- our most powerful tube amplifier This timeless classic and elegant design of the monobloc will fascinate you. This humungous monster is pushing 1015 watts RMS!! Capecci stereo push-pull tube integrated amplifier with two 6550/KT88 (35W) per channel. Low price for amplifier tube kt88: hifi amplifier remote control amp tube compact hifi tube vacuum for tube amplifier 6v6 tube amplifier push pull tube amplifier power tube yaqin Discount for cheap amplifier tube kt88: lamp power bluetooth tube iwistao diy tube 8 amplifier amplifi audio kit tube kt66 amp tube amplifier Insightful Reviews for KT88 SE Amp Question Discussion in 'Amps I've heard that you need a lot more iron in a SE transformer compared to a push pull transformer for the same amount of Power Supply Schematic KT88 Push-Pull Tube Amp . A single-ended triode (SET) is a vacuum tube electronic amplifier that uses a single triode to produce an output, in contrast to a push-pull amplifier which uses a pair of devices with antiphase inputs to generate an output with the wanted signals added and the distortion components subtracted. Push-pull KT88 should make about 40W. Uses the new Tungsol Kt120 Cryoed Tubes or the JJ KT88 Cryoed Tube; Output Power 100 Watts RMS with the KT120 tubes and 75 Watts with the KT88 tubes After seeing Bryan's pictures from the Chicago audio show this weekend I thought there might be a little more interest in tube amps. We are high quality HIFI audio equipment distributor in the WWW. I had been looking for a higher power amplifier design to act as a test bed for trying out EL34s, KT88s, etc. 00. Figure 1: OddBlock KT88 Series 1 Tube Amplifier Schematic. 15:03. 99; Vacuum Integrated Tube KT88 45W*2 Push-pull Remote Phono Amplifier Power Preamp Preamp Power Amplifier Vacuum Push-pull Remote Integrated Phono KT88 Tube 45W*2 China Psvane KT88-T MKII Classic Grade. OddBlocks - Class-A Push-Pull Tube Amplifier Driver) Sloksik. OP865010 5K:0-4-8 50W Push-pull Output Transformer for EL34 KT88 6L6 5881 Black. KT88 SE Amp Question Discussion in 'Amps I've heard that you need a lot more iron in a SE transformer compared to a push pull transformer for the same amount of Figure 1 shows several push-pull tube amplifiers (only the power tubes and the output transformer's primary winding). Service, Class-A amplifier, (single- ended) class-AB amplifier, (push–pull). Both of my tube amplifiers are designed with the venerable KT88 power tube. Music Ange KT88, Fikus modification, XD800 MKIII. world. Most output valves in HiFi valve amps (40 Watt and less) are Cathode biased in the same way that pre-amp valves are biased. LM-88iA Integrated tube amplifier - Push Pull KT88 - 2x42W The LM-88iA is an integrated amplifier using for its power stage 2 pairs of tubes KT-88 Push-Pull and for its part preamplifier tubes: 6CL8A and 12BH7. Tadaatsu Atarashi. $597. Since the circuit was a bit unconventional he called it an Oddwatt. 39. 100 watts with two KT88 is also push-pull. Shopping for Cheap KT88 Tube Amplifier at Nobsound Official Store and more from class a tube amplifier,tube amplifier,tube amplifier class a,stereo power amp,power amp,vacuum tube integrated amplifier on Aliexpress. Existing user? Sign In . The kits were totally complete with excellent instructions and the correct amount of parts/supplies. amplifier. 2 x 50W: PSVANE KT88 x 4. Amplifier. Since for power amplification it is usual to use pentodes or beam-tetrodes, which produce predominantly odd harmonics, we can expect all With respect to Nobu Shishido. Our best shot design around with the KT88 / 6550 type tubes in Push Pull configuration. We have set new goal to implement the newest true balanced circuit topology from input stage, driving stage and output stage to ensure the absolute purity and authority of signal transmission that is better than any conventional unbalance amplifier. to 30 Khz. A KT88 push-pull pair in class AB1 fixed bias is capable of 100 watts of output with 2. YAQIN MC-100B KT88 Tube Integrated Amplifier Power Amp 2 Mode [YAQIN MC-100B] - Features: 1. sowter. Fujii New Tech Amplifier for EL34/KT88 Single Ended Amplifier Idea from most 2/3 multipul charactor amplifier and 3/2 multipul charactor of Diode tube. Volume control on the front and stereo inputs on the rear means that a pre-amplifier is not necessary. If high power is your wish you will be interested in my big boys. KT88 is a beam power tetreode, its anode limited dissipation power is 42W. 4120 Power Amp The Vox UL4120 featured four KT88 power tubes in a Class AB parallel push-pull (PPP) circuit. Maximum output, 35W+35W (8ohms). 8. The driver uses an input transformer to do the phase splitting (a Sowter type 3575-C, available form Sowter Transformers (www. A good few months ago back in 2010 I received an ‘out-of-the-blue’ phone call (which is quite often the case regarding enquiries like this) from a really nice gentleman named Andrew. 2nd harmonic is make good tone for Music. 2A3 Push Pull wilh Silk Interstage Push Pull Amplifier. 0 : 300B Push Pull Amplifier : JP200 Mullard set Ver 2. Uses the new Tungsol Kt120 Cryoed Tubes or the JJ KT88 Cryoed Tube; Output Power 100 Watts RMS with the KT120 tubes and 75 Watts with the KT88 tubes Stereo Push-pull 12AX7+12AU7+EL34 Vacuum Tube Power Amplifier Board Bare PCB AMP(not contain other things). The 845 use AC filament current because in a PP design the hum cancels and therefore this Thanks to their pleasant sound, valve-type power amplifiers continue to enjoy uninterrupted popularity. Other input tubes can be used in the driver stage, the closest match being a 12AX7 which will provide more gain. Here is what we feel are the 5 best tube amp models that can normally be purchased for less than $1000: 1. KT88 is upwards compatible with 6550 tubes. The Sterling push pull is built with components sourced from Europe and the US. 1Feb2018 This is a different configuration of the 70W PPP amp built earlier. The anodes are connected to the primary winding, the cathodes to ground (circuits 1, 2, and 3), and the middle of the primary to the high-voltage supply. S/N ratio  Dec 17, 2013 Remember, there are deadly voltages inside tube amps. A single channel mono block amplifier designed for stereo systems and can be used as discreet  EL34/6550/KT88 Single Ended Amplifier on 28th Mar 2018 . Ive tried everything mentioned here except the KR’s . Special attention is paid to the power supply and regulate circuitry, which is added to ensure quiet operation and measurements, a high-quality choke (made in Canada) and dual power supply e-caps are also in place for beating our competitors on the market. After design of layout I ordered the necessary parts. Low cost. Kt88. For a Push-Pull amplifier - the "Fixed bias method" is more effective and advantageous since each power tube can be Mr. No contest. Koetsu Introduces Vacuum Tube Power Amplifiers by VEXO Audio VEXO's VX PP-KT88/C Push-Pull Stereo Power Amplifier drives 45 Watts for each of two channels, while the VX SE-KT88/C Single-Ended 6L6 – KT88 PP TUBE AMPLIFIER The first amp article was on the TRUE COMPACTRON AUDIO AMP utilizing TV sweep tubes for outputs. The reason why i opted for KT66 is that it is the 2A3 of the tethrodes and is better then the KT88 and others. The KT88 is a beam tetrode/kinkless tetrode (hence "KT") vacuum tube for audio amplification. co. Here I am using a 10Kohm UL central tap instead of 4 - 5Kohm normally used for the KT88 in commercial amplifier. Shuguang KT88/EL34x4 push-pull Amplifier Class A & Home Log In Register My Account Checkout. UPDATED 1 14 2011 Push Pull KT88 6L6GC EL34 300B 2A3 Amp KT120 Push Pull Amplfier. at full rated power (± 1 db max. This push-pull tube amplifier uses a 12AX7 (ECC83), a 12AU7 (ECC82) and two KT88 tubes per channel. Push Pull Integrated amp. Two KT88 tubes were wired in parallel to amplify the original audio wave while the other pair of parallel connected KT88 tubes amplified an equal but inverted audio signal. 3500 ohms Rla-a. AES - Cary - AE-25 Super Amp - Push Pull KT88 Amplifier Review - Duration: 15:03. $1,200. The ultra-linear circuit That brings me to this new amp from KR Audio, the VA-880, an integrated amp featuring a traditional push-pull KT88 output section, driven by transistors. FOR SALE A Pair of New Push-Pull Tube Output Transformers HW-100-5 (100W, 5K Ohms) from Hashimoto Electric Co. Posted on June 8, 2015 June 8, 2015 Ella Push Pull EL34/KT88 Amplifier . That was the origin of the name. Single ended and push pull are conventional ways to operate an amplifier. 5% total harmonic distortion or up to about 50W at low distortion in hi-fi. Circuit. Free delivery and returns on eligible orders. In most cases you can use these tubes in place of KT88, but it's best to check with your amp manufacturer first. 3 groups of RCA. The final project during that period was a push pull class A tube power amplifier using KT88 tubes. 1, 6V6GT, V1,V3, OKTAL  This amplifier is the second generation of the. Be fan of our Facebook page and get $5. HK10 - Stereo KT88 / 6550 Push-Pull Amplifier. I'm so blown away with the tone quality of my 4X KT88 Reeves 225 running guitars, that I thought it would be quite cool to do a 2X KT88 version to make it just a smidge safer on the ears. In the audio amplifier, the power can be 100W when it is used as push-pull class AB1 with double tubes, it can also be used in electronic voltage regulator circuit. This humungous monster is pushing 1015 watts RMS!! 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. Class A operation is often found in high-end audio, but less often in guitar and bass amplification. UltraLinear and Unity Coupled amplifiers are always push pull types. We accept PayPal, direct bank in, or wire transfer. AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc. , Ltd. MORE PHOTOS OF THOSE CLASSIC 813 VALVES ! The 813's are run with 2,500 volts on the plates (anodes), 750 volts on the screens (grid 2's) fixed bias of course. Get our latest news and special sales You may unsubscribe at any moment. But while looking for parts, I talk with several  Dear Tube experts, After modifying a Dynavox 70 with better tubes and caps, I am so convinced by the performance of a push pull tube amp  The Line Magnetic integrated amplifier LM-216IA is a push-pull amplifier with 4x KT88 tubes in Class AB amplification and delivers 2x22W in triode mode and  Power Supply Schematic KT88 Push-Pull Tube Amp. The drive circuitry of the control grids is not shown - I assume perfect The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. 0 : 6SN7 Pro-ONE บน GA-120 Granite: Tube Mic Preamp Model GA-10: KT120 Push Pull ( Mr. Frequency response, 10Hz-100kHz(-1,-4dB). Push-Pull Amplifiers - 10-20W no feedback! Introduction This projects born to explore the Push-Pull amps. At the beginning of the year, I found this interesting scheme of tube amplifiers on a forum and decided to make it. . and Heathkit Mark 6’s use KT88 or 6550’s and are capable of 60-70 watts output in push pull. Introducing Sophia Electric KT88 mono-block amplifiers:Sophia Electric dealers around the world are anxious waiting for this landmark amplifier for a few  ID, Name, Designator, Footprint, Quantity, Manufacturer Part, Manufacturer, Supplier, Supplier Part, Price, LCSC Assembly, Mounted. Submit. This model of ELEKIT amplifier includes an innovative "Semi-automatic" bias adjustment system for the tube output stage. $299. This circuit gives a push-pull output from the two anodes of the B339, and as the amplifier is truly push-pull from this stage through to the output transformer little h. KT88. We’ve also demonstrated different types of push pull amplifiers, like Class A, Class B and Class AB push pull amplifier models. Adding a feedback loop gives the tube control over the solid-state amplifier. $1,901. I have a push-pull EL34 based amp and a SET 2A3 amp. It is switchable between ultralinear mode and triode mode with varying degrees of feedback. 30 Hz to 30 kHz. including major Kt88 Tube Amplifier Hifi brands. SAC SILK GlowMaster KT88 true balanced Class A Power Amplifier This amplifier is the second generation of the GlowMaster Series KT-88 push-pull. It was an evolution of an earlier project using EL84 tubes. The purpose of designing this amplifier was to drive the B&W Signature 800 with 70W maximum output derived from EL34 Push-Pull Class B1 fixed bias operation. KT90, KT120 and KT150 are higher-powered direct replacement of KT88. Specifically designed for audio amplification, the KT88 has similar ratings to the American 6550 which was designed for use as a servo amplifier. One of the problems of the push-pull amplifier is the phase plitter stage. YaQin MC-100B KT88 Push-Pull Tube Amplifier HIFI EXQUIS 6SN7 12ax7 Lamp AMP MS100B "With Shuguang Tube" option is with Shuguang KT88-98 power tube are use(default better configuration of yaqin manufacture, we recommand use this option) "With PSVANE Tube" option is with PSVANE HIFI serie KT88 tube Name of your friend * : Another characteristic of many Push-pull amplifier is the high global feedback used to get a good damping factor because to increase the output power often are used output transformers with low turn ratio. Tim's KT88 Dream Single Ended Amplifier D. As a matter of fact, the same factory makes also a 300B variant (not nearly as good as 845 in my subjective opinion) they also make KT88 which is actually interesting alternative, although not as good as 845 because push pull can never beat SE class A. Valves in this model are 12AX7, 6SN7 and KT88. Blueglow Electronics 5,857 views. The main difference between single-end and push-pull, is distortion. Raphaelite Cp88-mkii Kt88 Push-pull Tube Amplifier. A 50 watt amp with two 6L6 or EL34 tubes, or a 100 watt amp with four 6L6 or EL34s, is a push-pull amp. D ynaco Mark 3’s . Utilizes the audiophile capacitors and high quality metal Vacuum Tube Amplifier, HIFI Amplifier, Vacuum Tubes. CHAMP ELECTRONICS -" THE VINTAGE VALVE AMP HOSPITAL" NOTTINGHAM, ENGLAND . Push pull has minor distortion than SE Amplifier. The KT88 run as a single ended triode will give you 5 watts pure class A, and the 300B run as a single ended triode will give you about 7 1/2 - 9 watts pure class A. 38. So, I got 4 outputs transformers (2 SE and 2 PP), I gonna try the PP first, and if this work great perhaps, I will sell the single transformers or build a second amp. C $1,195. manual vs auto-biasing tube amp and the EL 34 tube/6CA7/KT88 I find that many push pull amps, even when But a push-pull amplifier can be operated in either Class A or Class B. Has anyone got a design for some output transformers that could suit such a design? A single-ended triode (SET) is a vacuum tube electronic amplifier that uses a single triode to produce an output, in contrast to a push-pull amplifier which uses a pair of devices with antiphase inputs to generate an output with the wanted signals added and the distortion components subtracted. A small Fender amp with one 6V6 and 3 watts is operating in class A. Atarashi modified the amplifier to fit for KT-88 AB1 Push-Pull Ultra-Linear operation. The design allows for triode, ultralinear and pentode arrangement: triode is so much nicer to listen to, I've never reverted. They can also deliver more power than single-ended amplifiers, if they are biased such that one of the tubes is cut off on part of the signal swing (class-AB operation). 99 LOT OF 18 Plantronics SHS1890-25DH AMP Push-to-Talk Amplifier with 25-feet Cable. The scheme of a push-pull amplifier (the input stage and driver which made based on this scheme, developed by genius of sound - Nobu Shishido (WAVAC audio lab)), was developed by famous tube designer - Michael Bron, ideas and sensible comments which helped me to implement this project, for which I am very thankful to him! Introducing Sophia Electric KT88 mono-block amplifiers:Sophia Electric dealers around the world are anxious waiting for this landmark amplifier for a few reasons:1. For a detailed review of the tube amp kits and additional notes on the construction of the kit, see the DIY monoblock KT88 Push-Pull Tube Amplifier Kit page. 2. The schematic is here: Boyuu MT-88 KT88*4 tube Amp Push-pull Hi-Fi Audio Amplifier New [Boyuu MT-88] - Boyuu MT-88 KT88*4 tube amp Push-pull Hi-Fi audio amplifier Brand new Hand welding point to point, Powerful and nice sound Specifications: Vacuum tube: 12AT7*2 (voltage amplification) 12AU7*1 (current drive) Elvis is a push-pull power amplifier based on the classic Mullard amplifier circuit rated at 60W/CH using a quad set of Gold Lion KT88 beam tetrodes, two per channel and with an auto bias cictuit. Can any one direct me to a good simple KT88/6550 design? Looking for push pull with ultralinear, probably operating in class AB1. The scheme of a push-pull amplifier (the input stage and driver which made based on this scheme, developed by genius of sound - Nobu Shishido (WAVAC audio lab)), was developed by famous tube designer - Michael Bron, ideas and sensible comments which helped me to implement this project, for which I am very thankful to him! Find great deals on eBay for kt88 tube amp. Power 400W. The KT88 valve was designed by GEC as a high quality audio power valve, and this is an excellent example of how to get the best from that valve. com ,the Leading Trading Marketplace from China Amp of 35W is good enough to drive any HIFI voice box in your home! It is much better than EL34 in the any aspect of the voice. I know pedals are like 4 piece jigsaw puzzles to you guys and biasing is like shaking it after, but that's my experience. The next . Presence control. Discover ideas about Guitar Kits. We’ve covered theory and applications behind a push pull amplifier. here is how to reach us for Kt88 Tube Amplifier Hifi. E. Back to KT88 main page. Has anyone got a design for some output transformers that could suit such a design? KT88 Tube Power Amplifier Class A Single Ended Valve Triode Amplifier has not same tone with Push Psu Amplifier. new registrations are closed at this time. III Circuit asking for $1195. YaQin MC-100B KT88 Push-Pull Tube Amplifier HIFI EXQUIS 6SN7 12ax7 Lamp AMP MS100B. This stage should give two equal signals with opposite phase and there is not a very good solution. In many ways it is an incredibly elegant solution to many design problems in output transformers. 50; The tube amp kits have been in use for about 3 months now and I am very pleased with the monoblock amps. Fig 1. Visit. The KT88-Shuguang has an absolute maximum anode dissipation rating of 50W and is designed for use in the output stage of an a. Puhhleeze: push pull? May 9, 2015 A Push-Pull Amplifier with Simple Plate-Grid Voltage Feedback Driven by a I was in the process of building a push-pull KT88 amplifier for my  Mar 26, 2019 The default configuration of the amplifier is 3*6N8P tubes, PSVANE 4*KT88 tubes . also his speaker system is home brew speaker system. KT88 Vacuum Tube Integrated Push-pull Power Amplifier Phono Preamp Remote 45W*2 KT88 Vacuum Tube: $1,449. This is quite the opposite of the traditional hybrid integrated amp, which usually employs 9-pin miniature tubes in the preamp section, and a transistor output. 1set Tube Amplifier Stereo Class A Push Pull Kt88 Valve Integrated Amp Brand New - $597. Two valves in Class AB1 give a continuous output of up to 100W. ULTRA-LINEAR OPERATION, also known as DISTRIBUTED LOAD OPERATION, is a term when applied to single-ended or push-pull vacuum tube audio amplifiers, that describes the particular output stage configuration whereby the Screen Grids (Grid 2) of Tetrodes, Pentodes or Beam Power Tubes are fed from a tapping in the output transformer (single-ended The sound produced by a single-ended amp is rather unique. Since this post, I bought several stuffs to build it. Pre-Tone Control Amplifier : EL34 SE-CFB Version 3. Yaqin MS-110B KT88 Vacuum Tube Integrated Amplifier This integrated valve amplifier looks as good as it sounds. April 2014. 65 W at 50 Hz. The basic audio design will be basically the same, but there is only one choice of feedback: 12dB. Published by GEC Ltd in December 1957. $899. Will produce harmonic colouration on overload. HEATER V h The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. Something simple. You need to buy some output transformers, big power supply transformer and choke. I. Keywords . C. As a mono-block it’s designed to generate 40-44W/ch with manageable ~150mA @ ~415V B+. Push pull is riding a push bike with both pedals. For guitar amplifier. Power Supply. Suggest KT88 Push-Pull schematics, please. 00 Chúng tôi làm việc rất tốt trong vòng 3 năm tạo ra nhiều sản phẩm ampli đèn kt88 từ se đến push pull Cái gì cũng có giới hạn của nó chúng tôi nỗ lực nhiều nhưng cũng thừa nhận rằng là các sản phẩm Diy của trung quốc được làm tinh xảo hơn . PSVANE TC1 KT88 Push-pull Vacuum Tube Amplifier Stereo HiFi Power Integrated Amp. With respect to Nobu Shishido. KT88 SUPPLEMENT ISSUE 2 The KT88 mav be used in pairs in either triode, pentode or ultra-linear push-pull circuits and this Supplement gives circuits and operating data for amplifiers giving outputs of 30 to 400 v,ratts in various conditions of operation. Mr Fujii said you can build up one of very low distortion Penthode SE Amplifier like a push pull effect. Quad new what they where doing when they selected the KT66 for their famous Quad II . one by one. Complete Catalog of Kt88 Tube Amplifier Hifi from Ebay. The push bike pedals are 180 deg, to achieve a smooth delivery of power and greatest power when necessary. This amplifier is the second generation of our pride GlowMaster Series KT-88 push-pull. Circuit system: KT88 AB class push-pull ended integrated amplifier: Integrated amplifier Headphone amplifier; EL84 Push Pull amplifier, the little giant 6550 or KT88. feel good sound get from Single Ended Amplifiers with KT88 push-pull amplifier, KT88 tube amplifier. Classification, Beam-power tetrode. HI-END KT88 CLASS A Push-pull Vacuum Tube Amplifier HiFi Stereo Power Amp 50W*2 - $1,199. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The YAQIN MC-84L is a Class A integration push-pull tube amplifier that uses a high-performance ultra-linear push-pull circuit to bring rich acoustics out of your audio. Although the KT88 aren't triodes but, if properly applied as such in a circuit with 35 push-pull watt output, they can exhibit surprisingly good linearity, steady performance and approaching that of the real thing – something you'd expect from triode units running single-ended and powerful enough as well. For a 2X KT88 guitar amp, you would have spectacular RICH cleans, and some rather chest pounding power wide open, with the right speakers, in the right circuit. The Klipsch Audio Community. Then, Mr. Y on 2011 Tim from Australia , he is make planning build up KT88 Single Ended Amplifier now. A triode can be run in either single ended, paralleled single ended, push pull or parelleled push pull operation. The amplifier stage is based on the Compact Hi-Fi Power Amplifier by Melvin Leibowitz . he said would like to brew KT88 single ended Amplifier. 50 Watts per channel x 2, enough power to drive almost all speakers in the market. A pair of KT66 in push pull drives the interstage transformer. It can power the high-performance headphones including HD 600, HD 580, HD 650, Q701, K 702 and KThe package will come with 6J9 vacuum tubes, headphone amplifier, and power supply. com: Only US$999. This amplifier is powered by KT88 Kinkless Tetrodes in a Class A Push Pull Ultralinear configuration. The Fairman KT88 Tube Stereo Amplifier operates in a dual tube push-pull configuration. Hey guys. Looking to achieve 90 watts. Triode TRV-M88PP KT88 push pull mono power amp AudioShark - The Best High End Audio Discussion forum. KT88-based Push-Pull Amplifier. You can use KT88 in place of 6550 in most cases. KT90 PARALLEL PUSH-PULL AMPLIFIER. YAQIN Vacuum Tube Integrated Push-Pull Amplifier (Silver) – Editor’s Choice Figure 1 shows several push-pull tube amplifiers (only the power tubes and the output transformer's primary winding). Output transformers are a standard Sowter size. Therefore 2 output valves that are Cathode biased is described as Class A push pull. I was asked by KEGGER on the AK tube amp audio forum if I was interested in designing a PCB based amp on the 6L6 output tube family. Xindak MS-3 Monoblock Tube Power Amplifier KT88 Push-pull Circuit. Two tubes in Class AB1 give a continuous output of up to 120W. I really like the sound of the KT88 tube (and as you will see, the Sophia Electric KT88-ST). T7B-88A. YAQIN MC-84L Stereo Tube Amplifier. Selection of Kt88 Tube Amplifier Hifi for sale online. power. It's another valve amp. 1May2016 This is my 3rd push-pull amplifier, this time using the beefy 6550 power tubes (KT88's). Audio Space 6M-300Bpp 300B Push-Pull Monoblocks In this episode, my Adventures In High Efficiency takes me into the realm of amplifiers. Shop with confidence. In the past, KT88 is the low price product and its voice is rough and raspy. Chúng tôi làm việc rất tốt trong vòng 3 năm tạo ra nhiều sản phẩm ampli đèn kt88 từ se đến push pull Cái gì cũng có giới hạn của nó chúng tôi nỗ lực nhiều nhưng cũng thừa nhận rằng là các sản phẩm Diy của trung quốc được làm tinh xảo hơn . 99. 5% total harmonic distortion or up to about 50W at low distortion in hi-fi applications. Vavle rectification. 2 PP 100W Tube Output Transformer KT88 EL34 KT 88 - $1,284. As you are well aware, there are scads of low(er) powered amplifiers on the market today. * What configuration? I have settled on a simple, classic design: a common cathode voltage amplifier followed by a split-load phase splitter, driving a p-p output stage, with no negative feedback. Skip to content. The tube amp kits have been in use for about 3 months now and I am very pleased with the monoblock amps. The CS-55A is the most recent advancement in tube amplifier technology created by Cayin. This auto bias circuit will keep the bias set to the correct current irrespective of signal variations and will automatically compensate for 'aging After seeing Bryan's pictures from the Chicago audio show this weekend I thought there might be a little more interest in tube amps. KT88 BEAM TETRODE The KT88 has an absolute maximum anode dissipation rating of 42W and is designed for use in the output stage of an a. Find Deals on Walking Dead Collectibles, Comic Cons, Iron Man Statues, and more. smoothing is required, with a corresponding economy in components. 15 Best Stereo Tube Amp under 1000 – 2019. 6550PushPull. 6V6 and 3 watts is operating in class A. com. jpg. Underside of the amplifier section itself, showing the pre-amp, phase splitter, and push-pull driver stages. 6N8P x 2, 6N7P x 2, 6E2 x 2, 5Z3PAT x 2. Or put it this way, you can get radically different sound from the same tubes used in different types of circuits. These amplifiers are considered at a   Oct 29, 2008 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  UPDATED 1/14/2011 - Push-Pull KT88 / 6L6GC / EL34 / 300B / 2A3 amp with This amp was designed mostly to work with KT88, 6L6, or EL34 tubes in either  Feb 9, 2007 In a previous post, I talk about a new amp project. They sound very, very different, but circuit topology has a lot more to do with that than the tube types. User-selected amplifier modes, UT (Ultra linear) mode provides greater output power and TR (Triode) mode does smooth and rich sound. Posted on June 8, 2015 June 8, 2015 Ella Push Pull EL34/KT88 Amplifier Schematic. With such an amplifier, you can eliminate the impression of coldness, sterility and artificiality that many people experience with CDs. Pic2. A small Fender amp with one. The design for a power amplifier that is presented in this article is based on the PPP principle. what do you think? The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. 98 Buy YAQIN MC-100B 60WPC KT88 Class A Tube Integrated Amplifier Class A push-pull power amplifier to reduce distortion; Shop in KT88-KT66-Tube-Amplifier- from doukmall. $539. This is also a Power Amplifier (there is a group pre-amp input), a Headphone amplifier and this is a amplifier for Phono player too, direct link your phono player to We will reply all of your messages ASAP! The item “Hifi DIY Kits Class A Single End EL34 Tube Integrated Amplifier Vintage Tube AMP” is in sale since Wednesday, August 16, 2017. when I stumbled across this KT88/6550 push-pull amplifier in Tube Kingdom Vol. KT-88 push- pull. 45 watts parallel push pull – 4 X KT88/KT120 mono amplifier. GlowMaster Series. EL34 Push-pull Tube Amp Kit TU-8340 adopted "Semi-automatic bias adjustment system" - which allows users to adjust the bias simply by pressing buttons even if the model takes on the fixed bias method - no need of manual adjustment every time of tube rolling. The design is based on the original «88-50» schematic published by the General Electric Company (GEC) in 1957. 1 (KT88) Input Impedance : >56k ohm (RCA/Direct In) / 47 ohm (MM Phono In) Output Impedance : 0, 4, 8, 16 ohm Output Power : 26W x 2 (Triode-Class AB Push-Pull) Output Power : 48W x 2 (Ultralinear-Class AB Push-Pull) Damping Factor […] It can be an ideal choice with a restricted budget. Kt88 Single End Class A Vacuum Valve Tube Amplifiers Kits Audio Amplifier Diy. 8Ω ends noise voltage < 3mV 8Ω ends noise voltage < 3 mV Dimension(cm) 27 x 52 x 19. UltraLinear is a connection technique as is "transformer coupled" and "Unity Coupled". OddBlocks - Class-A Push-Pull KT88 Tube Amplifier (12SL7 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. For any Kt88 Tube Amplifier Hifi questions. Add to Favorites Seller Join newsletter Payment Shipping Return Policy About Us Contact Us View All Categories Nobsound®——Douk Audio Germany Warehouse USA Warehouse UK Warehouse HiFi Art-Elfidelity Hi-Fi Tube Amplifier Famous Brand Amplifier Integrated Amplifier Digital Amplifier Phono Pre 125 Watt KT88 Tube Amplifier I just completed building Bob Latino's fabulous M-125 (125 watt per monoblock) tube amplifiers. good factor for Penthode SE Amplifier. The drive circuitry of the control grids is not shown - I assume perfect KT90 PARALLEL PUSH-PULL AMPLIFIER. Music Angel KT88 Class A Vacuum tube HiFI Integrated Amplifier. THE CHAMP CBA-200/200 (8 x KT88) STEREO AMPLIFIER. not too much and not less than. Simon. There are electron tubes 4pcs EL34B, 2pcs 12AU7, 1pc 12AX7. If you have used TC1, you will completely subvert the KT88 Push-Pull amp in your memory. KT88 Push-Pull. f. It how ever is one of my personal amplifiers. Find many great new & used options and get the best deals for Stereo KT88 Vacuum Tube Amplifier HiFI Push-pull Home Audio Amp 45W×2 Handmade at the best online prices at eBay! KT88 Katie is my first Single-ended stereo amplifier. Pic1. Additional OddWatt Audio Amplifier Information KT88 AB class push-pull ended integrated amplifier. made by GEC/MOV in the U. feel good sound get from Single Ended Amplifiers with - Raphaelite CP65 Multi-function push-pull KT88、6550、EL34、KT66 tube amplifier - This is Multipurpose tube amplifier, compatible KT88,6550, EL34, KT66 tubes, after the power toggle switch to the appropriate gear, and adjust the tube current, allows each tube are working in the best operating point. KT88 labelled G. The DestinY KT 88 Deluxe is a wonderful tube amplifier for customers who appreciate quality in combinatio A 50-W push-pull tube amp with KT88 power tubes. A well executed push/pull 300 will sound very close to a good 300b SET amp but with real slam. The preamplifier and phase reverse circuitry is entirely DC couplet to exclude capacitors in the driver stage signal path. Class A push pull refers to both output valves amplifying the whole audio sine wave. The best issue for this kind on amp, is the price. MUZISHARE X7 KT88 x4 Vacuum Tube Push-Pull Integrated Amplifier Power amp & Headphone Amplifier with MM Phono AMP with Remote (100V-240V) MUZISHARE X7 is an integrated Amplifier. JJ828, High Class A1, Push-Pull Parallell Ultralinear KT88, with Cathode Feedback, Integrated Stereo Amplifier remote controlled, 2x70W, 4@8 Ohm. But now we PSVANE make it different! This amplifier is the second generation of our pride GlowMaster Series KT-88 push-pull. It will take almost any KT88 or KT90 or even 6550 tubes (Unit is supplied with JJ KT88 tubes) The Sterling is a good entry level hard wired (Air Wired©) Class A mono-block power amplifier. Hi-Fi Stereo KT88 Vacuum Tube Amplifier Push-Pull Home Audio Amp Pure Handmade. Application Notes 2A3 Push-Pull 20W Monaural Power Amplifier. All in a SEP amp and all except the Tung Sol KT-120’s in a push pull amp . Balancing Circuits Push Pull A valve amp with 2 output valves per channel is described as push pull. Vacuum Tube Amplifier, HIFI Amplifier, Vacuum Tubes. Power 70W. Written by. Scroll down to see sets of 2 (pair), 4 (quad), and 6 (sextet). The four necessary capacitors for the KT88 input grids are “Supreme Silver/Gold” (dry/non oil) manufactured by Mundorf in Germany. 1set TUBE AMPLIFIER Stereo Class A Push Pull KT88 Valve Integrated AMP Brand New. A single channel mono block amplifier designed for stereo systems and can be used as discreet single channle drivers in surround systems. 0 Amplifier : Phono Preamp+EQ Version 2. KT88 Push-Pull Mono Block. Pic3. Utilizes the audiophile capacitors and high quality metal PSVANE TC1 Hifi Series KT88 Push-Pull High-End tube amplifier - Feature:Absolutely biggest brand products, quality, technology and after-sale are guaranteed;Power up to 35w or more, enough to push almost all home's or market's HIFI speakers, speakers do not have to worry;Sound effects reach the level of Several thousand dollar in the tube amplifier market;With full performance, whether vocal Product Description Stereo Integrated Amplifier (with MM Phono) Model No. Class A push-pull power amplifier to reduce distortion; 3. Music Angel XDSE YC-808MK KT88B Vacuum Tube Hi-end Tube Integrated Amplifier. This page is about unusual PP amps with series output tubes in triode class A, and for use of UL PP OPTs to obtain local Cathode Feedback for much greater linearity in the output stage. Class A operation is often  45 watts parallel push pull – 4 X KT88/KT120 mono amplifier. Custom 400v/a toroidal power transformer, Hammond output transformer, switchable feedback (0 or 6db) three inputs (4 on request), massive alloy knobs. Using 2 output valves is described as push pull. Another legendary tube, the KT88 retains a large enthusiastic following all around the world, while manufacturers frequently produce "improvements" and variations, the Western Electric KT88 is eagerly awaited. Class b push pull amplifier experiment Nobsound Official Store has All Kinds of Nobsound Class AB Push-Pull EL34 Vacuum Tube Amplifier Bluetooth 4. The high-demand friends can replace PSVANE 3*6SN7-SE  a push-pull amp. Back to Top Designed for push-pull tube output circuits. 99 USD. KT88 Push-Pull 5. KT88 Push-Pull 1. Cheap lamp amp, Buy Quality yaqin mc-100b kt88 directly from China yaqin mc-100b Suppliers: YaQin MC-100B KT88 Push-Pull Tube Amplifier HIFI EXQUIS 6SN7 12ax7 Lamp AMP MS100B Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. I think most people would agree the 300B sounds better, as well as having the power advantage. 99 Read More Presenting kt88 tube amplifier available for purchase here online. , ALPS RK27 - Raphaelite CP65 Multi-function push-pull KT88、6550、EL34、KT66 tube amplifier - This is Multipurpose tube amplifier, compatible KT88,6550, EL34, KT66 tubes, after the power toggle switch to the appropriate gear, and adjust the tube current, allows each tube are working in the best operating point. User-selected pure post-stage and integrated modes; 4. It is playing music in my system where, normally, a several thousand-dollar integrated amplifier should be. The KT88 is also suitable for use as a series tube in a stabilised power supply. Maximum output of this amplifier is 20W that is quite enough for family use. over 90% persent of Amplifiers are push pull,and push pull amplifier does not 2nd harmonic and  Oct 26, 2014 It's another valve amp. A push pull amplifier is an amplifier which has an output stage that can drive a current in either direction through through the load. Atarashi originally built this amplifier as the fixed bias EL34 Class B Push-Pull monaural amplifier featured on the January 2003 Issue of the "High-Fidelity Audio: Radio Technology". 3. by aros_71 » Fri Jun 12, 2015 2:04 am . The voltage gain (input) stage is a common Shunt-Regulated Push-Pull (SRPP) amplifier using a 5751 miniature dual triode valve. It might seem like a push-pull Class A amplifier is a contradiction in terms, but it’s not. A new goal was set to implement the newest true balanced circuit topology from input stage, driving stage and output stage to ensure the absolute purity and authority of 2X45W Tube Amplifier Push-pull 6N8P×3 Voice of Noble KT88×4 High Power Hand Scaffolding Welding Model No:WVTA-KT88K3(BT) Built-in Bluetooth module on the amplifier Based on simple and nice sound designing principles and hand scaffolding welding process, its circuit is simple and neat, and basically there is no ground noise be heard. 0, AM/FM Radio, CD, USB for MP3, Vinyl-to-MP3 Recording and more On Sale, Find Graphs show forces, energy and work. I usually run NOS Telefunkens in the gain stage . Kt88 Single . uk) in the UK). Previously I have built a line stage 6DJ8 preamp, a pair of KT88 push-pull mono blocks, and a small push-pull amp for my office at work. 97 USD $1,558. Glow Master EL-34 Push Pull Amplifier Glow Master YAQIN MC-84L Stereo Tube Amplifier. I got e-mail few week ago from Tim. Either can also be used in parallel single ended or parallel push pull. EL34 Push-Pull Mono-Block Power Amplifiers. KT88 and 6550 based custom amplifiers. K. Push-pull amplifiers, by their nature, cancel a good amount of the distortion that’s inherent in a tube amplifier. Commonly, there are two methods of biasing a vacuum tube amp. Tokyo, Japan Possibly One of the Best Sounding Output Transformers Ever Built As Good as Tamura or Tango, or Better With 21st Technologies Based on 60 years of Sansui Experiences Introducing the Hashimoto HW-100-5 2X45W Tube Amplifier Push-pull 6N8P×3 Voice of Noble KT88×4 High Power Hand Scaffolding Welding Model No:WVTA-KT88K3(BT) Built-in Bluetooth module on the amplifier Based on simple and nice sound designing principles and hand scaffolding welding process, its circuit is simple and neat, and basically there is no ground noise be heard. 130 mA per side. push-pull KT88 valves with various positions of the screen grid taps on the output . In some ways, the Yaqin MC13S stereo integrated is a paradox. 00 discount! Be fan. com ,the Leading Trading Marketplace from China Push Pull Output stage configurations. The DestinY KT 88 Deluxe is a wonderful tube amplifier for customers who appreciate quality in combinatio T7B-88A. The U280SC being a push pull design and the ASL single ended. The amp is auto biased. This amplifier was featured on the January 2003 Issue of the "High-Fidelity Audio: Radio Technology" by Mr. 0 Stereo Headphone Amp,Nobsound Latest High End XiangSheng 728A Vacuum 12AT7 12AU7 Tube Pre-Amplifier Stereo HiFi Preamp Audio Processor,HiFi Record Player Retro Vinyl Turntable Wood Stereo System, Bluetooth 4. Shopping for Cheap KT88 & EL34 Push-Pull at HIFI EXQUIS and more from tube amplifier hifi,class a tube amplifier,tube amplifier,lamp amp,muzishare x7,yaqin mc-100b kt88 on Aliexpress. Thanks to their pleasant sound, valve-type power amplifiers continue to enjoy uninterrupted popularity. t. Locate Kt88 Amp available for purchase now! Entertainment Collectibles. C. Designed for push-pull tube output circuits. A Pair of Push-Pull Class A, Ultra Linear Mono Block Tube Amplifiers that can be used with several different vacuum tubes including KT77 / 6L6GC / KT88 with a 12SL7 driver and 6NO30 tubes. - ref. This section introduces one example using R core audio interstage and output transformer: 2A3 push-pull 20W monaural power amplifier. China Psvane HiFi KT88. The KT88 is also suitable for use as a series valve in a stabilised power supply. Hi everybody. Output transformers are a s In-fact twenty KT88's would have been needed to get the 1000 watts! This is a trifle low for the push-pull driver so, a crafty but simple and effective trick here is  Circuit system, KT88 AB class push-pull ended integrated amplifier. Shop All Category KT88 Classic Edition: (KT88 blue screen * 4, 6SN7GT If you want to run a push-pull amp totally in Class A, then you should double the plate-to-plate reflected load obtained from the 1st step, because both tubes will be conducting (in opposing phase) all the time, and so you want each tube to see the load that it needs to function in Class A without exceeding its maximum Pa. After many years designing single ended amplifiers I have decided to start a series of test about the Push Pull amplifiers. BEN'S UNNECESSARILY COMPLICATED AMPLIFIER. Review by Colin McKay. If you listen to stuff like Beethooven's Ninth at moderately loud to loud levels this sort of amplifier is perfect with moderate efficiency to high eff speakers. This amplifier is designed to offer audiophile and best performance in a small package. The KT88 was introduced by GEC in 1956 as a larger variant of the KT66. 1 : KT120 Parallel Push Pull : 829A Push Pull V1 : 6AS7 Low-Mu Triode Pre Amplifier Version 3. In the meanwhile, looking The NOS Genelax are sweet , but definitely overpriced . This unit has a very large frequency response range thanks to its SRPP pre-amp circuit. Yes this tube is very involving, it as the speed ( that usually lacks to the bigger tetrodes and pentodes – I will build a bigger KT88 push-pull someday, now it’s time for EL84 sweetness. In terms of transistor amp this is more than 250 watts per channel. That amp was an Air Tight ATM2. Incredible sonic beauty and refinement2. Buy YAQIN MC-100B KT88 Tube INTEGRATED AMPLIFIER 2 Mode New PushPull [Electronics] at Amazon UK. A Unity Coupled KT88 Amp with Plitron Transformers I was always fascinated by the Unity Coupled output stage in old McIntosh tube amps. Suitable for VOX AC50 4 Mk2 (Please check dimensions, package style and secondary option). Run in class AB1 push/pull, a pair of KT88's are capable of producing 100 watts at  EL84 UL Push-Pull Stereo Power Amplifier with Hashimoto Transformers. I cant think of any amp in the 3000 $ range that could seriously beat the MA845. The 845 use AC filament current because in a PP design the hum cancels and therefore this Either can also be used in parallel single ended or parallel push pull. so start build up KT88 single ended amplifier by Tim. This amp should be a Michaelson & Austin TVA-1. Understanding Vacuum Tube Amplifier Schematics - Basics Find great deals on eBay for tube amp kt88. Kt88 Tube Amplifier Hifi Sale. "Self-bias" (automatic) and "Fixed bias". Suitable for bookshelf or floor-standing speakers. Before opening the amplifier like this, please ask yourself some questions. Simple Hybrid Push-Pull Amplifiers The simplest hybrid amplifier, in terms of low part count, might be to take an existing solid-state push-pull amplifier and drive it from a single tube gain stage. OddBlocks - Class-A Push-Pull Tube Amplifier Driver). Be fan. In a push-pull Class A amplifier, opposing pairs of transistors are driven in such a way that current flows through both transistors throughout the entire musical waveform. The tube that I appreciate the most regardless of price , is the SED Winged C 6550’s . Excellent bass extension, ear Hey guys. Use 12AX7 and 12AU7 vacuum tube for voltage amplification and phase inversion,use KT88 vacuum tube to do AB1 push-pull power amplification; Mute delay function when turn on the amp(about 30 seconds) ;the choice of Japanese ALPS motor potentiometer Using KT88's, this amp is biased near class A and puts out around 25 watts. The latest addition to the "Woodham" range is the integrated KT88 amplifier. Thus safe and simple bias adjustment is realized - a dream feature for tube lovers. Hi, Are you sure you really want to tackle a pair of KT88 monoblocks for your first hifi tube amp? The output iron gets Home / Schematics / Ella Push Pull EL34/KT88 Amplifier Schematic. 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. I still have the Most used Chinese KT88 tubes, although one used a 6V6. Boyuu MT-88 KT88*4 tube Amp Push-pull Hi-Fi Audio Amplifier New [Boyuu MT-88] - Boyuu MT-88 KT88*4 tube amp Push-pull Hi-Fi audio amplifier Brand new Hand welding point to point, Powerful and nice sound Specifications: Vacuum tube: 12AT7*2 (voltage amplification) 12AU7*1 (current drive) Find many great new & used options and get the best deals for Stereo KT88 Vacuum Tube Amplifier HiFI Push-pull Home Audio Amp 45W×2 Handmade at the best online prices at eBay! Are (immediately from the start or over time) the tubes that come with a tube amplifier (say the popular KT88 in Single Ended mode or Push Pull mode) replaceable with say the larger KT120 or KT150 Well Rat, I've owned a top KT88 amp which is widely respected, very expensive newand well reviewed(a push pull ultra linear design, just like Serge mentions). diytube. PP tube amp 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 KT88 PP tube amp Еще diytube. REISONG Boyuu MT-88 MKII KT88*4 Vacuum Tube Amp Push-pull Hi-Fi Audio Amplifier. wood table legs NEW PAIR NIB UTC LS35 Output Transformers EL34 2A3 300B 6B4G Push Pull Tube AMP. So I decided to build a Single Ended one. The Marantz also fills this spot quite well. amplifier has only 1% distortion at 32W output and requires an input of  The 300 Beast is a 300B push pull amp that I designed and built several years ago. Add to Favorites Seller Join newsletter Payment Shipping Return Policy About Us Contact Us View All Categories Nobsound®——Douk Audio Germany Warehouse USA Warehouse UK Warehouse HiFi Art-Elfidelity Hi-Fi Tube Amplifier Famous Brand Amplifier Integrated Amplifier Digital Amplifier Phono Pre Audion Sterling KT88 Push Pull Anniversary Mono Block amplifiers are hard wired point to point using better graded components and larger, hand-built Audion wound output transformers (EI96). Pure Kenji design, the two Shuguang KT88s are driven by the pair of 6AN8A triode / pentode wired as "perque drive" and capacitor coupled to the KT88s. Frequency response 30 Hz. (Not a push-pull) Push Pull provide far more power, but need more components and harder to build. This state-of-the-art machine boasts forty watts per channel by using 4 KT88 tubes in Class AB ultra-linear push pull amplification. Mike ) KT120 125 Watt KT88 Tube Amplifier I just completed building Bob Latino's fabulous M-125 (125 watt per monoblock) tube amplifiers. Be the first to see the new for Kt88 Tube Amplifier Hifi HI-END KT88 CLASS A Push-pull Vacuum Tube Amplifier HiFi Stereo Power Amp 50W*2 - $1,199. Push Pull A valve amp with 2 output valves per channel is described as push pull. shenzhenaudio. Article By Scott Faller Click here to e-mail reviewer. Single-ended (se) kt88 tube Gio writes in to tell us about his latest vacuum  2 in 1 Tube amp bias tool Current and Plate Voltage test probe 6l6 el34 kt88 5. The output-power is about 50 – 60 Watts per channel. I want to build an amp, I can fix by myself. : Reference 3. Brand New. A new goal was set to implement the newest true balanced circuit topology  Williamson Push-Pull Tube Amplifier Board PCB For 12AX7/12AU7/EL34/KT88 Tube Amplifier Power Transformer Suit for 2A3 300B KT66 KT88 EL34 Amp. kt88 push pull amplifier

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