Jan 16, 2022 · I do not know what the circuit is like of Bob Cordell's KT88 amplifier presented in Linear Audio. 99 USD XiangSheng SP-KT88 Single Ended Tube Amplifier Class A USB DAC MM Phono Headphone Bluetooth Nov 5, 2018 · Buy MUZISHARE X7 KT88 x4 Vacuum Tube Push-Pull Integrated Amplifier Power amp & Headphone Amplifier with MM Phono AMP with Remote (100V-240V): Amplifiers - Amazon. Weight: 33 pounds. If your speakers have an efficiency of 89dB/1W/1M and you change to 92dB speakers you have effectively doubled the power of your amp. (Genalex) introduced the "King of Power Tubes", the legendary Gold Lion KT88. The Grids are referenced to ground (chassis) by a 220k resistor. Mar 28, 2022 · Furthermore, performance and energy are increased since the current density achieves its maximum value out of the kt88 tube amp. Be careful when setting up the system. My newest tube amp is not EL34 compatible. com: YAQIN MC-100B KT88 HiFi Vacuum Tube Push Pull Integrated Amplifier, HIFI Valve Tube Pure Amplifier, 110V/220V, RCA Jack x 4 Input, 50Wx2 / 25Wx2 Output, KT88/6N8P/12AX7B tube AMP (Silver) : Electronics Jul 14, 2023 · In their 30th year as a company, Tube Amp Doctor has expanded its REDBASE tube family with a new exclusive and high-quality premium tube model, the entirely new TAD KT88-STR REDBASE. 00 to $536. Then, Mr. 80 Apr 24, 2018 · Bref: Oldchen is a more important low-cost brand in the tube amplifier world, but with a good relationship with PSVANE, they can equip all of PSVANE's latest optimal tubes, such as on this amplifier where all tubes are newly made by PSVANE, providing exceptional values and good enough quality to begin with a warm tube sound. in 1956 as a larger variant of the KT66. I replace the stock tubes with Shuguang black treasure CV 181z in the preamp and Shuguang black treasure KT 88z. That can help to keep the DC balance of the push and pull tubes to be very good. Price is for a matching pair. Each tube manually tested; Adjusted bias on both units to optimize tube performance; Factory Specs. Aug 6, 2024 · Both sets of tubes sounded great. Using a modified version of ultra-linear push-pull amplifier circuit, has more than enough 50 watt power each side, output tube KT88 x 4, adopts hand welding to ensure the true reality of the sound quality, High voltage durability; Solid and powerful low frequency, Fine and smooth, vigorous and emotional sound experience. These Preferred Series KT88 tubes exceeded expectations. Amplifiers like the Musical Paradise MP-301 are designed with a certain tube type in mind, and substituting for another without due consideration can yield unexpected results. 5%. Dec 31, 2017 · Hence for a given amp, there's no reason to idle a 50 watt KT88 hotter than would be appropriate for a 35 watt KT88. Feb 25, 2018 · BG157 - New series on how to build a KT88 Single Ended Amplifier. Even with well matched KT88 tubes, then . All subjective, I realize, but this amp sounds great. Both of my tube amplifiers are designed with the venerable KT88 power tube. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. Mar 25, 2014 · With the new and improved MP-301 MK3 (2013 Deluxe version), we go to a higher level. 25"H x 6"D. My question is when you tube roll the amp, when you use kt88 tubes the cathode current is approx 76ma. 3 4. This provides incredible bass response without ever losing control. Cathode Current, AF Power Amplifier Mesa/Boogie KT88 Guitar Amp Tubes; Genalex Gold Lion; 4 Products. Capable of delivering incredible power and fundamental bass punch, the STR 488 also offers the perfect blend of balanced midrange and high frequency detail to compliment the outrageous low-end potent Dec 3, 2006 · I need three amps for high, mid, & bass (duh). " HiFi KT88 KT88/C Vacuum Tube Replace 6550 KT88 for HiFi Audio Vintage Tube AMP DIY Factory Matched Pair Quad (Color : 2pcs Matched Pair) $154. Nov 10, 2019 · KT88 Single Ended (SE) Tube Amp - 11 June 2007 Alex has pulled together a single ended tube amp based around the popular KT88 valve. ea. Figure 1: Single-Ended (SE) KT88 Tube Amplifier Schematic with 6N1P driver stage Nov 14, 2022 · I have a question. B+ runs about 500VDC before warm up, ive changed some of the electrolytics to handle this. Muzishare X7 is not the biggest tube amp in their family lineup. You need about 9 inches of height with tubes. Changing the bias setting primarily changes gain and (in class AB amps) conduction angle; for a given amp design, why would one KT88 need more gain / a greater conduction angle than another? Jan 16, 2018 · Build a dynaco MkIII, transformers are available at dynakitparts. Input Sensitivity 1. C. Jan 7, 2019 · Kegger's amp is switchable from UL to triode, RH is pentode. Do not use the EL34 in place of the KT88 unless you check all these parameters. The McIntosh MC2301 300 Watt vacuum tube amplifier delivers the most extraordinarily lifelike and dynamic performance ever heard from a McIntosh tube amplifier. I am currently running 120 mA through transformer and eventually I will increase current The KT88 is a beam tetrode/kinkless tetrode (hence "KT") vacuum tube for audio amplification. Genalex Gold Lion KT88 Power Tubes - Matched Quartet Matched Quartet of KT88 Power Tubes Oct 29, 2013 · The TungSol new edition can't take the duration when compared to the to the famed GE 6550A; that tube was practically a KT88 straight swap. Preamplifier part is as SRPP circuit and excellent long tail type inverter circuit. Hello, what KT88 of the current production for QS Silver mono (90watt)? Thanks! nic10 05-20-2019 9:18am « First ‹ Prev; 1; 2; 59 responses Add your YaQin MC-100B can use like a pure power tube amplifier or also an integrated tube amplifier, User-selected amplifier modes, UT (Ultra linear) mode provides greater output power and TR (Triode) mode does smooth and rich sound, Provides user adjustable bias, test points to refine bias of the output tubes. I would like to build an SE amplifier with two parallel KT88 output tubes. The sound of th I purchase the tubes from him too: a quad of matched KT88 and a pair of 12AU7 devices for each monoblock. If I were to use say a 6l6gc or el34 this amount of bias current would be to much and cook the tubes. I am getting stuck since there are not very many websites about triamping diy electrostats or for that matter triamping generally. KT88 Jun 22, 2007 · Mikael Abdellah KT88 Single-Ended Tube Amplifier Schematic Output power will be about 5W. Benefitting from the extra headroom of the KT-88, the Studio 10 KT-88 is the pinnacle of dynamic modern cleans and tight high-gain overdrives. Psvane-T II KT88 tube amps provide a wonderfully balanced sound, with outstanding midrange, airy high notes, and deep punchy bass. Dual-mode Cayin CS-100A KT88 Tube Amplifier "Get the Best Vacuum Tube Amps for Your System" Take your audio setup to the next level with vacuum tube amps. You won't find a 6550A in catalogues without a having big wallet. 2) Hommomd 125GSE output transformer. com FREE DELIVERY possible on eligible purchases Aug 25, 2020 · There are 4 things you need for this build if you already have a KT88. 00 TubeDepot carries a selection of 6550 / KT88 / KT90 Power Vacuum Tubes. In recent years I tried (mostly in a factory modded Jolida 502P I recently soldgreat amp) new version Tung Sol 6550s that were certainly clean, along with Sovtek KT88s (no longer made), and various others like Gold Lion KT88s, KT120s and 150s. I couldn't find a manual that i can just download without giving credit card info on the internet and don't have a user manual. Think of a power amp with Jul 4, 2007 · In the end the difference between a 50W amp and a 100W amp is 3dB or "a little louder". I agree it looks much nicer without those. $495. It also has low distortion all the way up to full power but at reduced power gives the efficiency, finesse and delicacy of a low powered amplifier. The voltage amplification and driving stages use two matched pairs of 6SL7 and 6SN7 tubes. 01 USD $525. KT90, KT120, and KT150 are higher-powered replacements of KT88. 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". •Pure hand-made, the entire unit is welded with scaffolding. There is a schematic of what I've done so far. Sweetwater is very proud to offer you this top-of-the-line vacuum tubes. This state-of-the-art machine boasts forty watts per channel by using 4 KT88 tubes in Class AB ultra-linear push pull amplification. Shop the best selection of top-quality tube amps at unbeatable prices. EL34 tubes can be used in place of the KT88 tubes. I use these in my Rogue ST-100 amp as replacements for the now incredibly expensive/difficult to find Tung Sol KT-120 tubes the amp was designed to use, and let me just say that I was expecting a downgrade in power output but these tubes truly deliver. My previous reliable Genalex Gold Lion served me well in several amps but these new tubes are a huge leap forward in both build and sound. It can not use 807 types. There is a Red selection button on the Back of the amp to switch. A 6N1P dual triode is used to drive the output stage. In addition, the Genalex Gold Lion KT88 tube is reliable, delivers excellent sound May 20, 2019 · KT88 tube amp. com and others, so is schematics. Commonly found in hifi audio power amps and guitar amplifiers, this KT88 is built to exacting vintage specs that include gold plated grid wire and carbonized screen grids for killer sound and reliable performance. And the best news in these times is that the new tubes are ready to ship worldwide, meeting the The new KT Mono amp retains the high damping factor and low distortion of the Horn Mono but with enough power to handle inefficient and difficult to drive speakers. Four oversized power… Apr 29, 2018 · Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester 8 Pin Socket for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 (CT1-C, Cathode Current) Brand: Douk Audio 4. 5 inches wide by 12 inches deep by 8 inches high. You can use KT88 in place of 6550 tubes in most cases. The MESA® STR 488 is the premium KT-88 of choice for our all-tube Prodigy and Strategy Bass Amps. There is a switch on the back to go from KT88 to EL34. Opens in a new window or tab. Nothing is more disappointing than finding out you can't "play" with your amp. Apr 20, 2022 · One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. These tubes should be used by anyone looking for a fantastical improved performance in One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. " "But I own a cat, George. I read that tube amps should not be powered up without the speakers being connected. I've also replaced V5 with a vintage RCA 6SN76GBT and this was another positive. 00. If you drop in the KT77, how would one adjust the bias? Do you still center the bias meter like the other 4 tubes, matched as quad The Psvane KT88-C is a high-quality audio vacuum tube that impresses with its warm and transparent sound. That would be a first-class amp to get up and running. The SED KT88 provides smooth mids, warmth and clarity with full bass response. Apr 7, 2021 · Yes, the amp measures really well considering other tube amplifiers I've seen. 3 out of 5 stars 268 ratings XiangSheng SP-KT88 PRO Class A Single Ended Tube Amplifier KT88/EL34/6550 Triode Lamp Bluetooth Amp $668. Jan 1, 2016 · The R8 uses EL34, 6550, or KT88 tubes. Type Monoblock amplifier (pair) Power Output 60W. Weight 35 lbs. The default matching tubes of this machine is KT88. It is still considered one of the best sounding power tubes for hifi audio amplifiers. Each tube manually tested; Adjusted bias on both units to optimize tube performance; SPECS Type Monoblock amplifier (pair) Power Output 60W. This was the closest thing I could find on one of my books. I have several tube amps and at one point, owned a dozen of them. Marshall used them in their 200 watt Marshall Major amps. Dec 12, 2020 · I want to explore using some EL34 output tubes (maybe will need to use a different rectifier tube?), and possibly later building another version of this amp or modifying this one to use 6SN7 driver tubes to see what that sounds like. 0 single-ended Amp RHKT88W - Himing(Rivals) - Himing RIVALS Wood Version KT88 tube amplifier bleutooth 5. ••• Nov 6, 2019 · One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. Great for clean headroom. It sounds amazing While I was working on this, I looked at a bunch of KT88 circuits and didn't see any using a 6SN7 driver. It turns out the stock tubes test good with plenty of life left. e. Documentation. Overall a great KT88 tube for orchestral, opera, and jazz music. Aug 2, 2018 · Was this amp specified for using both the KT88 tube, and also for using the EL34 tube? The KT88 has different maximum ratings for plate voltage, plate dissipation, screen voltage, screen dissipation, and cathode current; versus the maximum ratings of the EL34. Cayin CS-88A KT88 Tube Amplifier "Experience Unmatched Sound with Cayin Tube Amplifiers"Upgrade your audio setup with the best in the business. Due to its robust construction and the use of high-quality components, the Psvane KT88-C offers an amazing sound reproduction, superior stability and high reliability, making it an ideal choice for high-end audio systems as well as guitar and bass amplifiers. Beautiful aluminum and steel heavy… Feb 25, 2019 · Also, this tube is more robust than most. You can swap the KT88’s out for EL34’s which will offer a lighter footed more spacious sound. A comprehensive 27 page assembly manual full of photographs (26 to be exact) was sent via email. 00 Nov 30, 2009 · Class-A Ultra-Linear 12SL7 SRPP / KT88 SIPP Tube Amplifier. I couldn't find any schematic available for 6SN7 paired with KT88. UPDATE: OK, I am only building MUZISHARE X7 KT88 x4 Vacuum tube integrated Amplifier & Power Amplifier Headphone 100% original factory and brand new X7 Collection Edition (New with Balanced Version) It has a pure power amplifier ans it can conncet with an independent pre-amp's signal input. The power amp section employs four KT88 tubes for AB1 class push-pull power amplification. But the advent of KT88 tube amps over the years, and now the SET 845/805, are challenging this stereotype of tube amps. 72 $2. Initial impression was that the amp looked and felt well built. Atarashi modified the amplifier to fit for KT-88 AB1 Push-Pull Ultra-Linear operation. If you need another 2 new sets of tube, please purchase in addition. The 470 ohm cathode resistor sets bias at a 75mA which is only about 68% of the maximum plate dissipation so expect long tube life with this amp. It's high output and low distortion characteristics made it popular in the audiophile world as well as with guitarists looking for more clean headroom. KT88 tube amplifier class A HIFI Audio amp scaffolding tube amplifier 15W X2. May 23, 2018 · Verbosity is good as hand signals or morse code rarely gets the point across around here. The detailed step-by-step instructions walk you through the construction the tube amp kit. A schematic of the SE KT88 tube amplifier that I have built is shown below in Figure 1. OK, so final thoughts - Over all, this is probably the best value in a reasonably priced hi-fi tube amp you're going to find. Sep 19, 2019 · The 6L6 was an American-designed tube to circumvent the patent Philips held for their pentode design. 03% at 1W into 8OHM. From the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Our favourite Tube in the KT88 / 6550 Class TAD - KT88-STR REDBASE - analog sound in perfect audio-quality … Introducing the new Mullard KT88 vacuum tube. T-KT88-STR-RB-TAD - Single version: Body Height: 104 mm: Bulb Temperature: 250°C: Cathode to Heater Voltage +250 V: D. . When you switch it to EL34 mode, you can also use EL37, 6CA7, 6L6GC, 5881, KT77 and KT66. Can the Willsenton R8 accomodate KT77 tubes? I know they can use the EL34. Very well constructed excellent KT88. There’s a third 12AU7 that handles the true balanced topology. Sep 10, 2014 · A DIY Single-Ended (SE) Tube Amplifier Project that is compatible with KT88 / 6L6 / EL34 / 6CA7 tubes. 15W KT88 UL for high, 30W KT88 pushpull mid, & 50W KT88 pushpull for bass. We want you to have fun. On the Edcor branding, those are just stickers that are easily removed. By flipping them and running the heater wires in the middle of the chassis, it seems that the signal wires going from the output tubes to the output Jan 31, 2020 · With modern production tubes, I definitely prefer KT88's or KT77's over stock EL34's. 54 lbs. The bass is unique in that it compresses the very bottom end. I used a picture linked to Bob's amplifier page that had excellent visual information regarding the proper wires to twist together (all AC carrying wire are twisted together, and the picture is posted at the bottom of this page). Discover the exceptional sound quality of Cayin Tube Amplifiers today. Dec 23, 2020 · The amp has several inputs and uses 4 KT88 tubes, 2 6SN7 and 2 6SL7 tubes. With a number of different KT88 tube amplifiers we have had good results using new production JJ KT88 Blue Glass and Genalex - Gold Lion KT88 tubes. "The real dog may piss on the rug, needs visits to the vet, gets fleas, has to be walked, but it's a living thing a real dog. 0. I have no idea if a conversion base is a possible option as the operating conditions of your amp might not be acceptable for 807 tubes. This KT88 offers a lively and dynamic tone that is ideal in both HiFi audio amplifiers and high wattage guitar / bass Jan 22, 2024 · Himing Mona New KT88 Tube Amplifier HIFI EXQUIS Bleutooth5. Many jazz guitar players use the KT88s in their tube amp to get a strong, deep bass as they’re playing. The circuit is from JE Labs. Keg's input tube cathode arrangement is a specific and novel arrangement selected both by ear and use of a distortion analyzer. KT88 Single-Ended - Tube Amps Made in USA. Nov 30, 2009 · KT88 Tube Amp Kit Construction. The high-end companies, including Mclntosh, Cary Audio, and Jolida, all sell vacuum tubes incorporating the KT 88 tubes. Speaker load impedance 1, 4, or 8Ω. Nowadays, many high-end audio tube amp manufacturers still depend on the KT88 or one of its variants with a similar design, such as the KT90 or the KT120. But may go longer in an amplifier with a conservative design. We use only high-quality vacuum tubes for our products! A single 6SN7 is used for a filtered power supply for voltage amplification and driving. Apr 11, 2014 · Choosing between EL34, KT88, or KT120 tubes. Tube complement 2 x KT88, 2 x 5AR4, 1 x 12FQ7, 1 x 12AU7. The Genalex KT88 Gold Lion power tube is once again available and ready to rock in your tube amp. 2. Those familiar with the tubes will likely know that’s plenty to drive most loudspeakers; the return on a tube watt is (I’m generalising here) greater than that from a solid state watt. KRON Audio KT88 factory matched QUARTET - KR KT88 Audio-Tube Brandnew version 2023 now as BLACKPLATE with black anodes! … May 28, 2010 · Most output valves in HiFi valve amps (40 Watt and less) are Cathode biased in the same way that pre-amp valves are biased. KT88 tubes are a powerful, and dynamic power tube, and this amp really does show case the quality of whatever tubes you're using. In most cases, you can use these tubes in place of KT88, but it's best to check with your amp manufacturer first. KT88 Tubes. Jan 22, 2021 · Just finished up a SEUL KT88 amp that uses a 6EJ7 to drive it. Jul 12, 2007 · I designed and built a few 120Wrms per channel stereo amps commercially using 6550 and KT88 and achieved good reliability. I assembled one channel on test bench and it seams that it works fine. Dec 17, 2013 · The KT88 is the largest power tube in its class, specifically designed for audio amplification. 1) Hammond 269BX power transformer. The preamplifier tube is a inexpensive 6N1P, but the 6DJ8 / ECC88 / E88CC family of tubes can also be used. The Stereo 25 MkII comes with gloriously rich KT88 tubes and accommodates a wide range of output valves (EL34, 6L6, KT88, KT66, KT77, 6CA7, 6550), allowing music lovers and tube rollers alike myriad customization options. The kt88 SET amp is using Shuguang Treasure 'Black bottle" kt88-z output tubes and NOS Raytheon 6sl7 "red base" driver tubes and Sovtek 5ar4 rec tube. The Blackstar Studio 10 KT-88 delivers full-on tube tone! If you’re on the hunt for dynamic, high-headroom cleans and ultra-defined high-gain overdrive tones, this combo amp fully captures the magic of a Class A, single-ended tube power stage. DIY Audio Projects Jul 12, 2024 · Currently, several reputable audio tube amp companies rely on the KT 88 tubes or its variants, such as the KT 90 and KT 120, for their tube amplifiers production. 25W+25W (RMS triode working state) (KT88, 6550EH or EL34) 45W+45W (RMS ultra-linear working state) (KT88, 6550EH) 40W+40W (RMS ultra-linear working state) (EL34) Preamp stage power supply filtering Tube: 6SN7*1 Voltage amplifier stage Tube: 6SL7*2 Driver stage Tube: 6SN7*2 Power Supply voltage - 240v Sep 10, 2014 · The SE tube amplifier design has been based largely around Mikael Abdellah's KT88 SE Tube Amplifier design from 2003. My current idea is as follows: per ch. Jun 5, 2019 · I recently built the blue glow/Kegger SE KT88 amplifier. Our KT88 SE Stereo Amplifier has lower distortion than a SE triode amp. The power supply uses a 5U4 dual rectifier. The amp is more dynamic and slightly quieter, but it gives up none of its predecessors’ warmth. This is a stereo amp. And “tube rolling” in PrimaLuna products is easy because we run the tubes easy and Adaptive AutoBias means no manual bias adjustments. Due to better availability in the USA (albeit under various pseudonyms, for example 5881) many American amp builders used this tube for their amps. 75w in stereo or can switch to 150w in mono. The amp that ‘started it all’, the Fender Bassman was loaded with a duet of of 5881s. Muzishare, along with a couple of Chinese-made tube amp manufacturers, have over these few years been producing very well-designed KT88 tube amps like the X7 without a hefty price tag, lowering the barrier of entry in financial terms for those who yearn for a KT88 or for the matter, any tube amp. In the photo below are five of them, which are located behind the TV. Rating is 40wpc (into 8 Ohms). 43 watts of tube amp is like a much higher wattage solid state amp. Power tubes use the latest improved KT88-98 and strong output push-pull circuit. In any / every case, I recommend very well matched KT88 tubes. Other KT88 tube equivalent part numbers KT90, KT120 and KT150 vacuum tubes are acceptable Jun 5, 2019 · Each amp in the Studio 10 trio has different cosmetics reflecting its very different sonic character. Power tubes like EL34's and KT88's are good for about 2500 hours or more. This tube is also known for its solid highs and adequate mid-ranges. But before you Oct 13, 2022 · "It's the difference between a stuffed dog and the real thing," said Gunter (George) Bischoff, of Melos Audio, on the difference between solid-state gear and tubes. Nov 8, 2014 · Hi everyone. . donot power this amp on with out tubes installed or pull them out while its on, B+ too high for original caps on pcb board not the large ones on top. Himing Mona New KT88 Tube Amplifier HIFI 2023 New version Mona Wood KT88 tube amplifier update to new better customize 274B rectifier and 3 RCA groupe inputs and a bleutooth 5. Feb 7, 2023 · My first thread here, hopefully some members could direct me to the right place if this has already been discussed. Jul 5, 2021 · Regardless, it was double packed and was in good condition. I will be including the NOS tubes in the sale. Studio 10 KT-88 is driven by the monumental KT-88 power amp valve and an ECC83 in the preamp stage. ) KT88s with a tube rectifier, 45 wpc Ultra Linear/25 wpc Triode, Nichicon caps, hand-wired, remote milled from a solid block of aluminum, and with a built-in headphone amp and phono stage. Low Oct 15, 2018 · For flipping the tube sockets and terminal strips -- I originally had them facing that direction so the heater wires could run together on the front of the amp and stay away from the signal wires. This tube became the heart and soul of such classics as the Dynaco Mark III, McIntosh MC275, and Marshall Major. Driver tube 6an8 is available as NOS at reasonable prices. I read that the KT77 can be used in place of the EL34 on other amps. Output Power: Dec 13, 2016 · are the KT88, KT100, KT120 and KT150 Tubes safely interchangable generally speaking in a well built tube amplifier? The KT120 and KT150 are both pentode devices and the KT88 and KT100 are described as beam tetrodes so no, I wouldn't think these can be easily interchanged even though the data sheets have the same "pin-out". Mar 25, 2020 · Finally I discussed these things with Japanese amplifier manufacturer Air Tight as well as their distributors in Europe and the USA – they had equally dramatic findings regarding Chinese KT88 as well as New Sensors construction, which was the reason to change the circuit of the amplifier as well as operating conditions for the output tubes Feb 28, 2006 · I have the problem with my KT88 PP stereo integrated amp to set bias voltages of KT88 of which scheme as below; If I set Vk to the same value by adjusting the pots for both tubes, I have audible hum so I cannot set them to the same value but different values, I. They run the tubes so hard you are forced to stay with the factory supplied tubes. My recommendation would be to not pursue them any further and rather find a nice set of the appropriate tubes. I have a bunch of nice sounding 6SN7 tubes and was wondering why these aren't used to drive a KT88 when I see them used in many other types of amps. •This amplifier can be used with KT88 or EL34 vacuum tube, and there is a Red selection button on the Back of the amp to switch. For a long time, I was on the search for an affordable tube amplifier to use with my new Klipsch Heresy IV speakers. KT88 SE Stereo Amplifier - Hand Wired. Genalex Gold Lion KT88 power vacuum tube is one of the best KT88 tubes known for its dynamic performance. Dimensions: 18. pic of 3 tubes, A GEC KT88; 6550A JAN; New Edit Tungsol 6550. Here are some numbers-Mikael's KT88 single-ended design should make 7 or 8 watts per channel (mine come in at almost 8). Dec 7, 2021 · Type：M5 Single End KT88 tube amplifier/ Integrated Amp; Output impedance: 4ohm 8phm; THD: ≤ 1%(1kHz) Input sensitivity: 850MV; Input impedance: 100KΩ （3 input signals） Sep 6, 2014 · Jean Hiraga's single-ended KT88 tube amplifier schematic with 12AX7 (ECC83) tube input stage. Jan 31, 2021 · Hi, Does anyone know what voltage is recommended for KT88's with this amp? I decided to change the stock tubes to Gold Lion KT88's. Go and see the doctor: Find all of our products here: our newest product line of high-end Redbase tubes, our famous premium selected tubes, and the equipment we manufacture like our Class A Converters, the Bias Master or the Silencer. 0 - Label: New - Category: KT88 KTxx Single-Ended Amp - Price: $ 415. 4) new output tube cathode bypass cap up rated to 50 volts. These are more realistic and have improved clarity. Incidentally the current JJ KT88 seems to have build quality issues, and I have had reliability problems with them at >525V. Scroll down to see sets of 2 (pair), 4 (quad), and 6 (sextet). This video will help you pick easy to May 24, 2012 · Working each channel: 2 x KT88, a 12AX7 and a 12AU7. This heavier, beefier, sleeker, more polished amp can take the KT88 power tube. The power supply uses a 5U4G tube rectifier and a C-L-C filter. The supplied tubes are OK but rolling the power tubes to Golden Lion KT88's I had from a former amp was a positive upgrade. The Mullard KT88 tubes seem to be running much cooler than the stock tubes too. The U280SC being a push pull design and the ASL single ended. KT88 is also upwards compatible with 6550 tubes. Custom KT88 Tube Amplifier $3850 This may well be the best amplifer I have ever heard!! Size is approx 17 inches wide x 14 inches deep. The 300b SET is in mono block form. Ich geh' mal zum Doc: Hier gibt's alle Produkte der Marke TAD: die exklusiven TAD Redbase Röhren, premium-selektierte Grayplate Röhren, Equipment wie unsere Class A Converter, Bias Master oder Silencer, sowie Hallspiralen, Kondensatoren oder Nov 8, 2019 · When switch the HA-6A to KT88 mode, you can use KT88 variants including KT100, KT90, 6550, 6550A, 6550EH vacuum tubes. Price $3995/pair Price with KT150s $4675/pair Feb 27, 2004 · I have both SET amps. 5v. There are separate connectors for 4-ohm and 8-ohm speakers, a tube selector switch for KT88/EL34 tubes and the IEC power connector. Another tip for using tube amps: If the 8 Ohm Aug 2, 2018 · This is the kit: KT88 Valve Tube Amplifier Single-ended Class A Stereo HiFi Amp DIY KIT 16W+16W | eBay And the instructions it came with are rubbish! I mean seriously how lacking is this? I decided to make a start by putting on what i could. Jun 9, 2019 · While I know that a large part of the character of laidback rich mids is due to the EL34 power tube, I’m looking for the best option available in a KT88. Brand New. hifimusic2014 (1,613) 96. This is the Power Tube Selection: View attachment 3148664 And this is the Pre-Amp Tube Selection: View attachment 3148665 KT88 tubes are long-lasting and considered the best sounding tubes across the entire frequency range. DOCUMENTATION LINER NOTES Weakness: ok some things to know, I am an electronics Tech and have had my hands in this amp. If you need EL34 tubes, please purchase separately. Dec 10, 2020 · (LM amps can be seen in the background in photos on the web of people building Muzishare amps, and they share the same parent company. New & NOS power tubes from Mullard, Tung-Sol, Telefunken, Sino, GE, Telefunken & more! Email Password Confirm Password Sep 6, 2014 · Jean Hiraga's single-ended KT88 tube amplifier schematic with 12AX7 (ECC83) tube input stage. At slightly over 25kg, it is a modest but structurally-strong build of an amp that uses 4x KT88 tubes as the power tubes. Jan 14, 2019 · 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. Assuming the kt88 will be more linear and dynamic overall, but seeing what is the best richer midrange that is on the market. 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. The KT88 power tube construction consists of triple getters, additional support posts, and cooling "fins" along the anode. Our KT88 SE Stereo Amplifier is a very low distortion, zero-feedback amplifier in a class of its own. Nov 14, 2022 · The rear panel has the CD/AUX 1/AUX 2/PRE-IN inputs. 72 $ 154 . Used by McIntosh in their legendary MC2000 tube amp, SED KT88 is the top choice for audiophile application. Output/Power Tubes: KT88/6550/EL34. The Tube Amp Doctor KT88-STR is build just like the original tube with its thick curved glass envelope and metal base. Orsefon 275 OF275 Hifi Valve KT88 Stereo Power Amplifier Clone w/ Flight CaseI recently took this in a trade - an incredible Orsefon OF275 power valve amplifier, a high quality clone of the classic. ” This was the American Tube Amp mindset when reinventing the single ended stereo tube amp. Amp weighs approximately 45 lbs and shipping weight is approx. Sep 13, 2006 · OR 3) turn to page 5-30 which describes a 60W HiFi Power Amp with the same tube compliment as above BUT using the Hammond 1650P as the output. KT88 tubes are currently made by New Sensor, JJ and Shuguang. The CS-55A is the most recent advancement in tube amplifier technology created by Cayin. Of the 3; the Tungsol has the smallest area anode. HiFi-Amplifier Audiophile online store YAQIN MS-110B KT88 Vacuum Tube Integrated Amplifier Headphone Output [YAQIN MS-110B] - Features:1. Nov 30, 2009 · A review of the OddWatt Audio 5751 SRPP / KT88 Push-Pull Monoblock Tube Amplifier Kits. Feb 4, 2018 · MUZISHARE X7 KT88 Push-Pull tube amplifier HIFI EXQUIS GZ34 Lamp Amp Best Selling With Phono and Remote - Muzishare - MUZISHARE X7 KT88 push-pull tube amp - Label: New - Category: KT88 KT120 KTxx Push-Pull Amp - Price: $ 964. In 1957 Marconi-Osram Valve Co. Tube amps have output transformers that block dc , so when the amp clips it clips softly as the output transformer prevents dc from being sent to the speakers, where as a solid state amp when it clips puts full “A very modern design approach to vintage inspired technology. 0 input, there are a input switch on front panel , and a new power swith, and changed to use vu meters on front panel The 43 watts also gets very loud with my 86db sensitive speakers. Discussion in 'Audio Hardware' started by Brian Gupton, Apr 11, 2014. The KT88C is notable for its warmth and clarity across the entire audio spectrum. With this KT88 vacuum tube you can expect a full warm midrange, extended highs, and powerful lows. With an output of 300 Watts, it provides enough high power to drive even the most demanding loudspeaker. Both are custom made with high quality parts. 12AX7 diffamp front end is direct coupled to 12AT7 cathode followers to drive 6550 outputs (once again just substitute KT88 for 6550). It uses a cathode bias resistor with a bypass cap as the bias method. Thanks Al Dual-mode Cayin CS-100A KT88 Tube Amplifier The new dual-mode Cayin Audio CS-100A tube amplifier is rated at 80 watts per channel in Class AB View full details Original price $ 4,299. Nice gold binding post with a 4 and 8 ohm connector for the speakers and 3 analog inputs. Cathode bias is mostly used in low cost valve amps that function from a 300V to 400V B+ supply. Commercially, I could only find a few that had a THD of 0. At the far rear, on top of the audio rack, is a Rogue Cronus Magnum (version 1), with KT-120's. 00 - Original price $ 4,299. 6050 and KT88 tubes. To achieve optimal performance with tube amps, you need to match the tubes with your amplifier meticulously. 5"W x 9. The Studio 10 6L6 is finished in a smart cream vinyl and oxblood speaker grille cloth; the EL34 offering is covered in traditional black vinyl with a horizontal patterned salt-and- pepper grille cloth; and the KT88 model is distinguished by British racing green vinyl, with a vinyl top bar Dec 6, 2012 · I recieved my new quad of Northern Electric KT88 a week ago, now with 100 hours+ on them. The Marantz also fills this spot quite well. In general, the KT88 tube has a magical mid-range similar to the smaller EL34 tube, but with low and high end extremes that reach much further. Using that amp as testbench you can elaborate with the other designs and see for yourself what differences will show up. Shown with KT-150 tubes which we do not offer - It comes with KT88 tubes standard The VT-150 is a stereo KT-88 based tube power amp that puts out 80 watts per channel in hi bias mode of 60 in low bias. Feb 13, 2024 · The amp came with Psvane KT 88 X4 and CV 181 tubes. Dec 10, 2016 · Lately these tube amps have been burning the midnight oil in my system so to speak, leaving the Marantz to preamplifier duties. 410v and 0. The KT88 vacuum tube is considered to be one of the best sounding power tubes for hifi tube amplifiers. The similarities don’t stop with its attractive appearance. Matching Tubes With Amplifiers. •The default matching tubes of this machine is KT88. I am using a PrimLuna Dialogue5 poweramp. China-hifi-Audio online store Willsenton R8 KT88/EL34 x4 Tube Integrated Amp Power Amplifier New - Willsenton R8 stereo Amplifier tube KT88x4 or EL34*4 Integrated Amplifier & Power Amplifier & Headphones amp All in One 100% Brand New In Stock There is NOT any other version for Willsenton R8. This KT88 offers a lively and dynamic tone that is ideal in both HiFi audio amplifiers and high wattage guitar / bass amps. The stuffed dog requires no care, needs no maintenance, but has no life. 49 delivery May 7 - 21 Oct 9, 2020 · Amazon. I would take the following schematic and run the power tubes with KT88 and possibly a tube rectifier. The amplifier accepts KT66, KT77, KT88, KT90, KT99, KT120, KT150, and KT170 power tubes and when ordered with KT150s will produce 100 watts. The Psvane KT88 is a high quality, high power, beam tetrode with an octal base. The stock Luxman branded power tubes are made by JJ, but I also purchased a brand new matched quad of JJ KT88 from Tube Depot because I wasn't sure how many hours were on the stock tubes. Can Mar 16, 2024 · I am strongly considering purchasing a Willsenton R8, but as a newbie to the Tube Amps world I am overwhelmed by the choices available for both Power or Pre-Amp Tubes. How true that is, I don't know. TAD just announced that they now have stock of the newest addition to the REDBASE-tubeline - the KT88-STR REDBASE. What type of valve is a KT88? The KT88 is a Beam power valve with an anode/plate dissipation [originally] of around 35 watts, it is sometimes referred to as a pentode by some people, but in fact the clue is in the title “KT” which stands for “kink-less tetrode” The main feature differences in the Kink-less Tetrode compared to the Pentode [and early Tetrode’s] was the use of two Feb 1, 2015 · Mr. The KT88 tube was introduced by MO Valve Co. With just basic soldering skills you should be able to piece a kit together in a few evenings. Looks like the RH Universal schematic has a solid state device in the power tube cathode, Keg eschewed that design. 3) 10 watt wire wound 560 ohm or so output tube cathode resistor. From our JJ KT88 vacuum tube listening test: "The JJ KT88 power tube has the best imaging of all the tubes in this category. Based on the works of Abdellah, Gendrano, & Kegger. Nov 13, 2020 · A step by step build of a single ended KT88 Stereo DIY tube amplifier. 435v, etc. KT88 power tubes offer high power and low distortion. Dimensions 14. This is based off the popular Kegger/Abdellah/Blueglow build with a twist, using a pai These premium vacuum tubes make great replacement tubes, a fantastic way to upgrade your live amp, and a very popular method for getting the most out of your vintage tube guitar amplifier. Nov 6, 2019 · One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes. Power output is about 25 Watts with pure class-A operation. The amplifier stage is based on the Compact Hi-Fi Power Amplifier by Melvin Leibowitz. susixumawqqpfgdstxceowxfbddednvpfjwluexwgnbfozx
Kt88 tube amp. •The default matching tubes of this machine is KT88.