Kt88 Vs 6ca7

I like many others,believe the EL34 is the most musical tube with its mid range magic. I've been using the Shuguang treasure 6CA7's for the last 3 years. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. A recommended list of Hickok tube testers, The main reason why particular testers are on this page is that, it is easier to find tube test data for these models, and/or these models are easier to repair. Many of these use European nomenclature. EL84 vs 6V6 18watt amp by Dave Brons. That alone should give you more headroom. The Sophia Electric KT88-ST's check all the boxes for me. If you have a lar'mar master, you need different value pot for the KT88's BTW. The Line Magnetic integrated amplifier LM-211IA is a push pull amplifier with 4x EL34 tubes in Class AB amplification and delivers 2x15W in triode mode and 2x32W in ultra-linear mode. Specifically designed for audio amplification, the KT88 has similar ratings to the American 6550 which was designed for use as a servo amplifier. I have all gate of output tubes at the same bias volatge because I have used a matched quad by but if you want to use spare output tubes without any match you should use a separate bias trimmer and a separated interstage capacitor per each output tube on the gates and a 10 ohm 1/2W resistor on each cathode to measure the current of a single tube. Manufacturer's data is available for triode operation of some popular types of tetrode, pentode and beam power tubes such as EL34/6CA7, 6V6GT, KT66, KT88, 807, 6146. I have the opportunity to have a custom made tube amp build for me from and old Magnavox amp. The result is a warm, smooth tone. And I think the only ones on the market are JJ or Gold Lion. 300W amp power vs load graphs. Its covers antique radio, wireless, tubes, valves, crystal sets, and battery radios. original British Mullard comparison Recently I had the opportunity to compare two very interesting Chinese quads with a quad of vintage Mullard KT88. page 16 Same as above, but triode connection. A lot of reissued tubes are rebottled and/or repinned versions of more common types, e. You can use the search to find service types or go to the service type lists that you can access from the page More Tube Related Stuff. The thinking of using the kT88 on the MC-10L is to try out the `sound`of it vs EL34. These instructions don't follow every possibility with every model, but if you run through this one you will get the general idea. Excellent sounding tube in Primaluna's. We have even run a quad of the KT88’s in a few “Evil Twins” and it is fat! If you want to add some real thunder to your old Ampeg SVT then the JJ KT88’s are the tube. ICON AUDIO - Stereo 25 MkII Integrated Amp (KT88) KT88, KT66, KT77, 6CA7, Music Direct reserves the right to select the carrier and ship method within the. back to tube. page 15 Same as 13, but class AB. Revisions to the original 6L6, such as glass envelopes and increased power handling, yielded new designations such as 6L6G, 6L6GA, 6L6GB, and. I still have the SP-80 Monoblocks, but they will be available soon for a new home. I have no vested interest in Psvane, Shugang or Grant Fidelity nor were any of these tubes given to me. So far I've sampled reissue Mullard EL34's, and JJ's 6CA7's, with a pair of KT77's yet to be sampled. A recommended list of Hickok tube testers, The main reason why particular testers are on this page is that, it is easier to find tube test data for these models, and/or these models are easier to repair. The mids of the JJ6ca7 are gonna be a tad more prevalent than the Eh 6ca7's though. TUBE CROSS REFERENCE BASICS. High efficiency full range speakers--with no crossover--give the best possible sound. That is where the Treasure KT88's extra bass grunt came into play. The tubes measured electrical performance matches the original GEC and M-O data exactly, and are branded in the style of the originals. Tadaatsu Atarashi. -----I did not want to use EL34 or the US equivalent 6CA7. The American power tube design to counter the EL34 was the 6ca7. But using a 'higher fi' tube, like 6ca7 and especially 6550, you get a big stiff bottom, that emphasizes more picking nuances. 99 per matched pair! This is a suitable replacement for any EL34 = 6CA7 POWER PENTODE tube type. EL34/6CA7 Ultra-linear Circuit Characteristics:. Valve company, UK. High evacuated tube, it achieve high performance tube in audio frequency. He still may have it in his latest tube primer e-mail, but I haven't looked at them in a while. 5% total harmonic distortion or up to about 50W at low distortion in hi-fi. Shugang Treasure KT88-Z vs. I like the NE KT88 a lot. Out of all of them, the 6CA7's sounded the best. EL34's is an economical method to achieve high quality sound with a minimum of driving stage components. Check out the following tube reviews for guidance in getting the best possible tone out of your tube gear. English here] 23: ECC83, EL34(2) Audio Power Amp: Push Pull: 433: 16A8 in Push Pull configuration: JP : Passionate Tube. marshall 1966 2x ecc83, ecc82, 4x kt88 marshall 200w 1966 3x ecc83, +1 ?, 4x kt88 marshall 1967 2x ecc83, ecc82, 4x kt88 marshall 1978 ditto marshall 1986 800, 3x ecc83, 2x kt77 or el34 marshall jcm800 lead preamp 3x ecc83, +1?, + ecc8? marshall jcm800 lead power, 2x el34 or 4x ? marshall 1992 3x ecc83, 4x kt77 or el34 or 6550. I waited for the first few batches to go through experience has taught me that many times the first couple of batches suck as they begin to iron out the kinks. From the Sylvania Technical Manual. The amp sounded great but was a PITA to keep biased. To my ears nothing comes close to the treasures!!!. Since its production ceased in the early 1980s, the Genalex Gold Lion KT88 has become expensive and hard to find. There is a JJ large bottle 6CA7 that supposedly sounds incredible but in most amps may fail, but in our low-stress design should be fine. The American power tube design to counter the EL34 was the 6ca7. 1: Psvane & Shuguang KT88 reliability. Fixed Bias KT88 is 100k max. If you are looking for NOS Power Output tubes we probably have it in stock! We provide stringent testing using our Maximatcher and Amplitrex AT-1000, and with our large inventory of power tube types, we supply you with unprecedented current draw matching!. They extend deeper into the low end - farther than the 6CA7-Z. The difference between the High and Low inputs on a Fender amp is around -6 dB, which equals to Input Trim at 0. -----I did not want to use EL34 or the US equivalent 6CA7. Petersburg, Russia. hp = Heptode Unit. The station tests power tubes for short circuits, heater operation and the electrical characteristics of Plate Current (Ip) and Transconductance (Gm). The HeadAmp Blue Hawaii is available in ten (10!) different finishes of anodized aluminum. 1, PSVANE T-Collection series MK II use the Carbon Microcrystalline technology. About EL34 Tube. output power @ 3k load. 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. 1pcs Psvane KT88-T MKII Premium Grade Tested Valve Tube KT88 is a beam power tetreode, its anode limited dissipation power is 42W. page 16 Same as above, but triode connection. hx = Hexode Unit. 6CA7 is the US equivilent of the EL34. Not to be outdone, Sylvania introduced fat-bottled 6CA7 in US soon after. During the 1960s EL34s were very cheap $1. Our tubes test STRONG!. The Mullard EL34's were a noticeable improvement over the stock tubes. Petersburg, Russia, and is designed to be a direct replacement for any EL34/6CA7 or equivalent. High evacuated tube, it achieve high performance tube in audio frequency. not even with NOS , US made 6550’s. 1: Psvane & Shuguang KT88 reliability. I promised to write something about these much-loved tubes after I'd put about 100 hours on them, so here we go. Im particularly interested in the KT-66 tubes, but since there doesnt seem to be much info on a direct comparison when I searched, I thought an overall comparison might be able to complete the. Enter values in blue and click any Calculate button. Line 6 412 VS (V30s) 6CA7 and EL34s. The EL34 was the 1952 successor to the very successful EL37 and both share a high value of mutual conductance 11. page 14 Similar to 13, but 11k load impedence. The increased presence of the ET90 probably won't be noticed on the bottom, but you might like an X pattern. Cathode bias is mostly used in low cost valve amps that function from a 300V to 400V B+ supply. This video was inspired by a question I was asked about swapping KT88's in place of EL34/6CA7's. Browse our huge variety of 6 7 8 available for purchasing here on the internet. 100W mono bloc, 2014 Much more info on 100W UL amps. Home Brand Amber KT88 EL34 = KT77 = 6CA7. Figure 3 shows the emission of a tungsten filament as a function of temperature. We can disregard 'big bottle' valves such as the 6550, KT66, KT88 and KT90, as they will easily deliver more power than we want (or rather, consume more power than we might have available!) and are therefore 'wasted' in this application, unless they are otherwise desirable for their tone (there is of course, no reason why we couldn't use a. The KT66 and the KT77 are in a class of there own and totally different. Other tubes I have auditioned - New Sensor Svetlana, New Sensor Mullard, Late production Seimens, and the Genlex KT-77. The HeadAmp Blue Hawaii is available in ten (10!) different finishes of anodized aluminum. The tube base is kitted to the glass, so you won't have any vacuum defects due by mechanical stress from pulling out the tube often. You can pay immediately or wait for an invoice that will send from us via eBay. Electro Harmonix EL34. "We also have a direct account with Mr. We have an exciting inventory of NOS and Used Vintage vacuum tubes for all forms of radio and television Broadcasting and Receiving applications. I've had a few of the latter go bad, and just chalk it up to life with tubes. 1pcs Psvane KT88-T MKII Premium Grade Tested Valve Tube KT88 is a beam power tetreode, its anode limited dissipation power is 42W. Sylvania "Fat Boy" USA These are known as "Fat Boy" tubes because 6CA7/EL34 tubes made in the USA have much fatter glass bulbs than their European EL34 equivalent. 6CA7 / EL34 / KT77 Tubes in Stock. Many of these use European nomenclature. Shure SM57 microphone. Conditions appear similar, but might double check. Our tubes are always tested, matched and guaranteed. The EL34 was widely used in higher-powered audio amplifiers of the 1960s and 1970s, such as the very popular Dynaco Stereo 70 and the Leak TL25(mono) and Stereo 60, and is also widely used in high-end guitar amplifiers because it is characterized by greater distortion (considered desirable in this application) at lower power than other octal tubes [citation needed] such as 6L6, KT88 or 6550. When looking for a balanced sound, a top end that is never harsh or biting and a nice, round bottom end then look no further. Dynaco screwed up large designed around a dead valve, they obviously had no concern about future maintenance. A lot of reissued tubes are rebottled and/or repinned versions of more common types, e. 97) Jon I havent tried the 6ca7 Treasure. 6ca7(el34の互換球) 6550(kt88の互換球) 211(845の互換球) el84(6bq5の互換球) 互換球はもちろん整流管とプリ管にもあり、真空管“超”初級講座を読むとなんとなくわかるようになっています。. The extra heat probably won’t damage the transformer because we design our transformers with some extra margin (overkill). This treasure tube takes things to a new level of musical bliss/level. We believe in helping you find the product that is right for you. 72) Posted by Cougar on 2019-05-03, 18:42:38 (68. 6CA7 is drop-in compatible with EL34, but it sounds closer to 6L6 because of this. 1, PSVANE T-Collection series MK II use the Carbon Microcrystalline technology. Each wound string is precision wrapped with round nickel-plated steel onto a high carbon, hexagon-shaped steel core. PSVANE KT88-TII Vacuum Tube MARK TII Series. 1pcs Psvane KT88-T MKII Premium Grade Tested Valve Tube KT88 is a beam power tetreode, its anode limited dissipation power is 42W. All these tubes were audio tubes, meaning they were designed to reproduce sound with as little distortion as possible. The tube base is kitted to the glass, so you won't have any vacuum defects due by mechanical stress from pulling out the tube often. I like the NE KT88 a lot. 電蓄にはその他、5極管である42や6f6、6ca7などが多く用いられた。このうち高級品である6ca7やそのファミリーが今日 [いつ?] の真空管式ギター・アンプなどによく使われている。なお、6bq5は6ca7と同時期により小型の出力管として開発されたものである。. 1: Psvane & Shuguang KT88 reliability. The KT77 is equivalent to the 7581/6L6GC, and the KT88 is the Limey version of the 6550. 300W amp power vs load graphs. Re: Yaqin MC-100B Nice Amp! hi guys. I already have my share of EL34s and 6CA7s. The Psvane 6CA7-T tubes are direct replacement to standard 6CA7 and EL34 tubes of all make. Putting four of them in your 100 watt amp isn't going to give you 140 watts, it will still be a 100 watt amp. The Tesla/JJ KT77 is a copy of the famous MO-Valve KT77 that is a direct replacement for the EL34 or 6CA7. CALCULATE PLATE DISSIPATION (In Cathode Biased Output Stage) Based on Voltage and Resistance Readings. I like the NE KT88 a lot. A direct replacement for EL34's and 6CA7's. 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. Not to be outdone, Sylvania introduced fat-bottled 6CA7 in US soon after. They are often found branded RCA as RCA NEVER made any kind of 6CA7/EL34 in their own plant. I like the JJ 6CA7's BTW. High evacuated tube, it achieve high performance tube in audio frequency. And many European tube manufacturers soon started manufacturing EL34. Psvane 6CA7-TII (Matched Pair) TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself. You can never go wrong by purchasing the best stereo tube amp under 1000 dollars on our list or any other model tube amps we reviewed here. The 6CA7 is the American designation for EL34, and some 6CA7 versions use beam power construction instead of a true pentode. el34 / kt77 / 6ca7 Popular in high powered audio and high end guitar amplifiers, characterized by greater distortion at a lower power compared to other power tubes. Enjoy the lowest prices and best selection of Guitar Amplifiers at Guitar Center. Figure 3 shows the emission of a tungsten filament as a function of temperature. You can put it in with some mod's. Here are some notes and photographs of a single-ended (SE) KT88 tube amplifier which I recently built. The Line Magnetic integrated amplifier LM-211IA is a push pull amplifier with 4x EL34 tubes in Class AB amplification and delivers 2x15W in triode mode and 2x32W in ultra-linear mode. Manufacturer's data is available for triode operation of some popular types of tetrode, pentode and beam power tubes such as EL34/6CA7, 6V6GT, KT66, KT88, 807, 6146. The EL34 was the 1952 successor to the very successful EL37 and both share a high value of mutual conductance 11. EL34 / 6CA7 / KT77 Tube Reviews. The Svetlana EL34 is manufactured with the original Mullard design in the Svetlana factory in St. 6550, KT88, or KT90 may be used without modification, in most cases(biggest problem is that the base clips usually won't fit KT88 or 6550) and by installing a simple jumper, both 6CA7 (fat bulb ) & EL34 (skinny bulb) tubes, too!. O W N E R S M A N U A L !! TUBES - output!! The SE34I. See the Unofficial Univox page; Also see the Schematic Heaven archive; Vox. Sovtek 6CA7 problems. Psvane KT88-TII vs. Dynaco screwed up large designed around a dead valve, they obviously had no concern about future maintenance. OUTPUT PENTODE Base: OCTAL U f = 6,3 V I f =c a 1,5 A Typical characteristic: U a = 250 V U g3 =0 V U. The KT88 audio tube is considered to be one of the best sounding power tubes for hifi tube audio amplifiers. Im looking for an answer to a question but would also like to see some dialog from people about their likes and dislikes and why. Re: KT77 vs. Most output valves in HiFi valve amps (40 Watt and less) are Cathode biased in the same way that pre-amp valves are biased. 1pcs Psvane KT88-T MKII Premium Grade Tested Valve Tube KT88 is a beam power tetreode, its anode limited dissipation power is 42W. I've tried to list links where there is (1) a picture, and (2) a schematic. 50 each in packs of 100, and readily available, therefore 6CA7 was the preferred power valve for many amplifier manufacturers to use. Electro Harmonix EL34. I appreciated the Treasure Series' bass texture, but I found myself wishing for more authority. We have 300B, 2A3, KT66, KT88, 6CA7 and CV188 in the range*. Anyway,if we are talking about triode output, there are not many choices: 6550/Kt88 of El34. Reports in the field say this is one of the most durable EL34 types currently available, and so far our tests agree with that. This treasure tube takes things to a new level of musical bliss/level. JJ KT77 vs Sovtek EL34G. These tubes have been cryo treated, given a 48 hour burn-in, and matched on the industry standard Maxi-Matcher at 400volts. Locate Test Tubes available for purchase now!. When it comes to tone, they do have a big impact. For tone, KT66's in a JTM45 is. An amplifier that is designed to take KT88's/6550's will have its own unique distinct sound signature and will sound more powerful and in other ways comparable to an optimized EL34 circuit. 6CA7-Z is very similar with EL34, which can be replaced by each other. The valve has the widest frequency response and the highest plate dissipation, 30 watts, out of all the valves tested. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. 6CA7 - America's Answer. Fixed Bias KT88 is 100k max. The tube base is kitted to the glass, so you won't have any vacuum defects due by mechanical stress from pulling out the tube often. Input trim: Input Trim in the Amp block lets you decrease or increase the level of the signal going into the Amp block. And dozens of other amps that all sound different. A Stereo Power Amplifier from Cary Audio which produce 60 watts per channel in Class A/B Ultra-linear mode, 30 Watts per channel in Class A Triode mode. These are what many believe to be the ULTIMATE 6L6GC TUBE, the awesome, incredibly rugged SED(formerly Svetlana) SV 6L6GC. The power stage of the STA-100 is only possible with the original old Gold Lion/MO/G. AliExpress carries wide variety of products, so you can find just what you're looking for - and maybe something you never even imagined along the way. Abstract: 5881 tube KT88 kt88 tube kt-88 6a3 tube el34 tube 807 tube el34 6L6GC TUBE Text: 1650F 25 7,600 ct 6L6GC, 6V6, 807, 5881, EL34 1645 30 5,000 ct 6L6GC, 6V6, 807, 5881, EL34 1650H 40 6,600 ct 6L6GC, 807, 5881, EL34 Ca t. If they are step up to their solid plates that are so well revered,they should be fantastic. I've been using the Shuguang treasure 6CA7's for the last 3 years. It was designed for the 6L6/5881/7027/KT66 family of tubes. The striking thing about this equation is the exponential element, which means that emission increases very rapidly with temperature. lampowego Single End. Produced in Russia by New Sensor. A 6CA7 is a different type of tube than an EL34. This video was inspired by a question I was asked about swapping KT88's in place of EL34/6CA7's. The thinking of using the kT88 on the MC-10L is to try out the `sound`of it vs EL34. This is probably why the EL34 stands out from the group. FW-100-5 used good condition 100W 5K push-pull $7500/pair. Are you looking for the very best tubes for your vacuum tube amplifier? This is the place to start. My Experiences with Single-Ended EL36 Output Stages, by Graham Dicker, March 2003, October 2004. Very surprised how they sound (Rivera Chubster 45 watt amp). Browse available now! 6 7 8 Showcasing 6 7 8 available for purchase today. I have no vested interest in Psvane, Shugang or Grant Fidelity nor were any of these tubes given to me. Putting four of them in your 100 watt amp isn't going to give you 140 watts, it will still be a 100 watt amp. Looking for pairs of Siemens EL34 RFT's for my Decware Rachael. original British Mullard comparison Recently I had the opportunity to compare two very interesting Chinese quads with a quad of vintage Mullard KT88. The Siemens were close but did not have the full spectrum sound that these have. That alone should give you more headroom. If your tube isn't listed then pick one with the same Max Dissipation Rate which is shown to the right in the tube list. Wide array of at awesome prices. Use of KT88 allowed lower Ea = +383Vdc and class AB Po is still over 40W max. I've been using the Shuguang treasure 6CA7's for the last 3 years. page 16 Same as above, but triode connection. The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. Now I need to pick out tubes. Truthfully Im not sure Ill get an answer there but well see. I will try the KT88 treasure and I have no doubt it will be rockin superb if Shuggie puts it out judging from their past endeavors into the KT88 market. EL34 produces smooth highs with pleasant mids in guitar amps. Psvane 6CA7-T has exactly the same electronic specification as the Treasure 6CA7-Z but has gold coated pins and gold coated tube base. 300W amp images, tubes with blue glow, umbilical cables, other views. It's a single-ended, class A amp using a single power tube (6V6 or 6L6, EL34, 6CA7) and features a hand wired eyelet circuit board with easy to reach components for easy modification. This is probably why the EL34 stands out from the group. 95 pair/duet A reissue of the original Genalex Gold Lion KT88. TU-8200R 6 L 6G C P ower Tube A MP K IT: F or the past 7 years, hobbyists have been asking for certain features to modify the TU-879S kit. page 15 Same as 13, but class AB. Mike: Thanks much for the quad of Siemens EL34 tubes. lampowego Single End. When buying a rebrand version, it's more than likely that you will pay much more for these tubes. EL34(6CA7)のパラ・シングル・モノラルです。初段は6SL7のSRPPです。 各部電圧は、バイアスを-27Vに調整したときの、実測値(一時間通電の後)を入れてあります。 水魚堂さんのBSchを使って入力しています。. I ran Philips 6CA7 into a JTM45 Output Tranny at lowish (380V) high voltage rail for 32 glorious watts. That alone should give you more headroom. 6550 / KT88 / KT90 / KT120 tubes The ElectroHarmonix 6CA7EH big bottle tetrode is the budget sleeper tube of the new. I have been using transistorized amps for years and I bought the yaqin MC-10L some 9 months ago. hx = Hexode Unit. 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. The 6CA7 is the American designation for EL34, and some 6CA7 versions use beam power construction instead of a true pentode. Home Brand Amber KT88 EL34 = KT77 = 6CA7. CALCULATE PLATE DISSIPATION (In Cathode Biased Output Stage) Based on Voltage and Resistance Readings. A fresh breath of air characterizes the JJ 6CA7 tube. We always recommend JJ EL34 valves because they guarantee a superb tone, amazing power and all at a very attractive price. The ars catalog pages are for electron tube lovers world wide who repair and replace vacuum tubes and related parts for electron tube amplifiers. EL34 Push-Pull Mono-Block Power Amplifiers. can't report on their reliability with as much authority as sovtek (just recently started using them), but so far so good. Just take account for the higher voltage when adjusting bias, so you set it a little lower to obtain the wanted Watt rating. I ran Philips 6CA7 into a JTM45 Output Tranny at lowish (380V) high voltage rail for 32 glorious watts. I have no vested interest in Psvane, Shugang or Grant Fidelity nor were any of these tubes given to me. Truthfully Im not sure Ill get an answer there but well see. Matched tested power tubes. kt66 vs EL34 tonal differences? EL34=6CA7 an a 6L6=5881. About EL34 Tube. See our EL34, 6CA7 KT77 Catalog to shop. Send E-mail to [email protected] The Golden Dragon KT88 Retro is produced to a similar shape to the original GEC/MO design, and has identical operating characteristics. It's funny, because the Diezel Service Manuel I have says not to use "big bottle" tubes like 6550 or KT88. or the JJ KT88's if you want to go that route. Anyway, the British made the EL34 power tube. I can better see the bottom of the upright bass on Joshua Redman’s Trios Live record. Now I need to pick out tubes. EL34 - 6CA7 PSVANE MARK II - Matched Pair. We can disregard 'big bottle' valves such as the 6550, KT66, KT88 and KT90, as they will easily deliver more power than we want (or rather, consume more power than we might have available!) and are therefore 'wasted' in this application, unless they are otherwise desirable for their tone (there is of course, no reason why we couldn't use a. Find helpful customer reviews and review ratings for YAQIN MC-13S EL34 (6CA7) 4 Vacuum Tube Integrated Push-Pull Amplifier (Silver) at Amazon. Abstract: KT88 GEC 6550 KT88 6550 Tube tubes kt88 CV5220 GEC KT88 valve 6550 kt88 data Tube 6550 Text: is similar to the 6550. MUZISHARE X7 KT88 Push-Pull tube amplifier HIFI EXQUIS GZ34 Lamp Amp Best Selling With Phono and Remote - MUZISHARE is one of best chinese hi-fi equiment - Category: KT88 KT120 KTxx Push-Pull Amp - Price: $ 951. Bookmark this page This page is full of links that lead to every information page on my web site. They only have a few hours on them. you will find good price here. Power tubes are responsible for powering the output stage in your amplifier. Calculate Plate Dissipation In Cathode Biased Output Stage Based On Voltage And Resistance Readings In these calculations, 5% of the cathode current is assumed to be screen current. That is where the Treasure KT88's extra bass grunt came into play. DIY Tube Amplifier / Wzmacniacz lampowy ECC83, 2x EL84. My order had some issues, but they are very helpfull to solve them. ★★送料無料★★ 親切な真空管ヘルプデスク 無料相談 0120·194·380 プレミアムクラス 最高グレード 極上の真空管サウンドを求める方にお薦め·全数検査、210日間保証、72時間エージング 商品について ·新品 現行真空管 完動品。. The 6L6 was introduced in the 1930s and made in the United States. 6550, KT88, or KT90 may be used without modification, in most cases(biggest problem is that the base clips usually won't fit KT88 or 6550) and by installing a simple jumper, both 6CA7 (fat bulb ) & EL34 (skinny bulb) tubes, too!. A number of different KT tubes were later marketed by M-OV. Read honest and unbiased product reviews from our users. Sovtek 6CA7 problems. 6CA7 - America's Answer. China-hifi-Audio online store YAQIN MC-13S TUBE 6CA7-T push-pull hifi Integrated amplifier - YAQIN MC-13S. Can't speak for other amps. EL34's is an economical method to achieve high quality sound with a minimum of driving stage components. DIY 自製12AX7 + Amperex EL34 膽機. The 2203KK runs four KT88's and uses the same Main and O/P transformers as the JVM410 (at 100W). You need to try it and draw your own conclusions. Psvane KT88-TII vs. 91 out of 5 based on 11 customer ratings (11 customer reviews) $ 9. com has thousands of new and NOS vacuum tubes for the audiophile, guitar amps, industrial, ham radio and special purpose. As mentioned in my previous post, I am a newbie to tube amp. I have used JJ-E34L's, EH6550's and Svetlana KT88's in the heads that I own. Cathode bias is mostly used in low cost valve amps that function from a 300V to 400V B+ supply. About EL34 Tube. Calculate Plate Dissipation In Cathode Biased Output Stage Based On Voltage And Resistance Readings In these calculations, 5% of the cathode current is assumed to be screen current. NessTone EL34. Clear, robust bass with smooth highs and an image as large as your room in a value priced package. The 12AX7 is a 9-pin miniature, high-mu, twin triode. Now I need to pick out tubes. GD KT88 Retro. US: European: Chinese: Russian: Premium Model: 12AT7: ECC81--M8162, 6201, ECC801S, E81CC, 7728, B309, B739, A2900: 12AU7: ECC82--M8136, 7316, ECC802S, E82CC, 7730. As mentioned in my previous post, I am a newbie to tube amp. not bad at all. page 11 Current, input, distortion vs. hp = Heptode Unit. Still, we could supply you for review if you wished. Re: Yaqin MC-100B Nice Amp! hi guys. The 6CA7 is the US designation for the EL34 and is complete interchangeable. EL34 Celsius el Jue 29 Dic 2016 - 17:30 Hego en su dia probé un montón de EL34 y coincido con tu apreciación, me quedé con ganas de probar las Gold Lion kt77, sobre las kt88 me acaban cansando no creo que sea una válvula equilibrada, únicamente en la etapa Airtight de un amigo que lo hace muy bien. The amp sounded great but was a PITA to keep biased. Power tube distortion exists and is a great thing. Bmw R1200 R 1200 Rs R K53 K54 Gold Esa Front Fork Forks Gabel Tubes 2013-2018. Truthfully Im not sure Ill get an answer there but well see. 50 each in packs of 100, and readily available, therefore 6CA7 was the preferred power valve for many amplifier manufacturers to use. It has more power, fatter bass and more headroom than the EL34 and E34L while providing very detailed tones. 高级输出牛,300B,KT88 等合用. So far I've sampled reissue Mullard EL34's, and JJ's 6CA7's, with a pair of KT77's yet to be sampled. 6550, KT88, or KT90 may be used without modification, in most cases(biggest problem is that the base clips usually won't fit KT88 or 6550) and by installing a simple jumper, both 6CA7 (fat bulb ) & EL34 (skinny bulb) tubes, too!. JJ ELECTRONIC KT88: This tube was first designed back in the early 90's by JJ to be a completely new take on the KT88 design with the ability to withstand peaks of more than 50 watts. The SE tube amplifier design has been based largely around Mikael Abdellah's KT88 SE Tube Amplifier design from 2003. FW-100-5 used good condition 100W 5K push-pull $7500/pair. a 6CA7, or a KT77 or KT88 which are beam tetrodes, the 6CA7 being the American-made substitute or the EL34 which was a Philips-Mullard creation I think, so the American manufacturers couldn't use the particular pentode construction so they made a tetrode that could substitute directly and tubes of either type started to be labelled EL34/6CA7, and other beam. "Real" KT66's? Not sure about that. Looking for pairs of Siemens EL34 RFT's for my Decware Rachael. Anyway,if we are talking about triode output, there are not many choices: 6550/Kt88 of El34. The highly regarded Elekit designer, Mr. For tone, KT66's in a JTM45 is. It's funny, because the Diezel Service Manuel I have says not to use "big bottle" tubes like 6550 or KT88. d = Diode Unit. The Sophia Electric KT88-ST’s check all the boxes for me. Electro-Harmonix KT88. More bass, better texture and definition down there too. High efficiency full range speakers--with no crossover--give the best possible sound. Guitar plugged straight into amp without pedals. 6CA7 is drop-in compatible with EL34, but it sounds closer to 6L6 because of this. The Sophia Electric KT88-ST's check all the boxes for me. 6CA7 / EL34 / KT77 Tubes in Stock.