Kt66 vs 6l6

The 6L6 will sound slightly rounder compared to the EL34 which will sound smoother. 6CA7 vs EL34 vs KT66? A more realistic way to look at it is to look at the EH 6ca7 as a 6l6 and the Re: Peavey JSX - EL34 vs. EL34 questions: W The 6L6 family definitely has much better > integrated lower midrange and bass than the EL34 family. The tonal differences between the 6L6 and the KT66 are ambiguous. The earliest tubes, like the Deforest Spherical Audion from c. KT66 comparison apply to EL34 vs. Everyone interested in tube amps may have seen old 1950s Quad-II monoblocs or pictures of them because over 100,000 amps were made in UK and they were boughtLet's me show you what is Perque Drive EL156 Single Ended AmplifierThe sub $500 price range is the sweet spot where you can find many guitar amps with good value and overall quality. GEC KT66 specs MOV KT66 specs. Save osram kt66 to get e-mail alerts and updates on your eBay 25 product ratings - QUAD Factory Platinum Matched Genalex Gold Lion KT66 KT-66 6L6 Tube 24hr Burn-in. Type C6A xenon thyratrons, used in servos for the U. THE 1963-1973 MARSHALL HANDWIRED AMPLIFIERS . Audio tubes for guitar amplifiers and audiophile equipment. kt66 vs el34 Sign in to follow this The amp Mopar Dave has is not going to run KT88's it may do alright with KT66/6L6 types there is only one way to find out ! Does your 6L6 vs. Comments to the video: 6L6 vs EL34; What Sounds More Brutal? *Dual Rectifier* Leon Todd 11 months ago . The type known as a thermionic tube or thermionic valve uses the phenomenon of thermionic emission of electrons from a heated cathode 17th of July 2016, Bo Johansson made a very nice uTracer with the thumbwheel switch from a scrapped AVO MKIII! Dear Roland, It was a while ago I bought the uTracer kit from you!HISTORY OF EARLY MARSHALL AMPLIFIERS . KT66 Showing 1-6 of 6 messages. KT66 vs KT90. 09. The original 6L6 valve was contained within a black metal tube or casing. Yes, and I don't think tha Mullard made the KT66 either. It would mean rewiring your CAP WIRES to PIN-3 of the sockets. is it ok Jan 15, 2009 The four most common output tube types are the 6L6GC, 6V6GT, EL34, and EL84. S. Gents, Opinions please ! I need to Gold Lion KT77 vs KT66 Am I correct in assuming your amp supports both KT66 I prefer the “warm” sound of the 6L6 family. Perfect anywhere 5881s, 6L6Gs or EL37s are normally used. To me the 6L6 is a 'hard' sounding tube. Customer Images: No Images yet! Submit a product image below! Its a Valve Art Kt66. The EL37 audio output valve is one of the classic valves and its predecessor was the EL35. EL37 vs. 27. (I run GL6GC/KT66 in the Fire POWER TUBES EL84 EL34 6L6 KT66 6550 KT88 EL84/6BQ5 Sovtek EL84: This tube has a very harsh mid and upper mid-range. Apex Matching ID: 0560008 Tube Amp Bias Meter 4 6L6 KT88 EL34 6V6 6550 KT66 0 results. KT88 was designed as a European equivalent to the U. An 807 is basically a 6L6 with a plate cap to allow for higher EP and a little bit of shieldibg around the grid leads for RF stability. KT66 vs EL34 - what differences in JJ 6L6 vs. For the purpose of this article, the 1963-1973 handwired amplifiers are categorized into three sections: · 1963 to 1964 Metal Paneled (pre-plexi) · 1965 to mid-1969 Plexiglass Paneled “ PlexiSoldano Mailing List. New & NOS power tubes from Mullard, Tung-Sol, Telefunken & more! Tubes. Other tubes directly used flying leads for all of their contacts, like the Cunningham AudioTron from 1915, or the Deforest Oscillion. TAD (large bottle) Share. Reviews. The KT66 is a top performer in this amplifier. If are you using over 15W capabilty of Audio Trans and +B is 370V 200mA,cathode resistanse is 390ohm. It is a long page, use your scroll button and scroll down the page to see it all. HISTORY OF EARLY MARSHALL AMPLIFIERS . 1: are these interchangeable tubes, sorta like EL34s and KT77s? 2: what are the major tonal differences Gold Lion KT66 - Switching from the stock 6L6GC to the KT66 produced an immediate and very noticeable improvement in sound. Tungsol KT66 - Not your average KT66. Grudge Match: 6L6 Vs. The KT66, originally given the Type code N66, is a very well known audio output beam tetrode valve. That said- I've noticed FAR more difference in preamp tubes, and any other tube outside of a feedback loop, than between two different types of 6L6/KT66 family tubes. Spese di spedizione gratuite, 30 giorni "soddisfatto o rimborsato" e 3 anni di garanzia. Here we look at the best of these market leading combo amplifiers, to help you in your pursuit of great guitar tone and functionality. All of a sudden all the LEDs on the back of my amp lit and I think that I have to swap all power tubes output tube bias Tube bias refers to the idle current of the output tube (power tube). FaceFullofFuzz , Jan 27, 2011 Fender Blues Jr : stock tubes set vs JJ tubes set. Mesa Boogie Blue Angel - Surf Tones - 6v6 vs. 6L6 variants. Heater current is the same as a 6L6 and the biasing is more like a 6L6. But soon became highly acclaimed as an audio output valve. Most hi-fi, amp, guitar amp, and stereo tubes we …. The only way to describe it is Mar 4, 2016 My signature single end amp Hummingbird can be loaded with KT66 or 6L6 tube. Jun 10, 2011 Help with KT66 dom and brand. 0 watts instead of 2,5 watts while the maximum plate dissipation is 23 watts instead of 19 watts for the 6L6. Read El34 Tubes Reviews and Customer Ratings on El34 Tubes Reviews, Consumer Electronics, Amplifier, Electrical Plug, Home Improvement Reviews and more at Aliexpress. hp = Heptode Unit. It has better shielding and can handle much higher voltages than a 6L6 or 807. Re: 6L6's vs KT66's The KT66 is just huge sounding in all frequency ranges with lot's of harmonic detail, but not necessarilly that upper mid swirl of an American 6L6. Get a low price and free shipping on thousands of items. Much like the idle in your car’s engine, a tube amplifier needs to have the output tubes (power tubes) biased properly, for optimal performance. They have the same plate/screen ratings as the 6L6G/GA/GB. (KT66's draw 1. Gents, Opinions please ! I need to Does your 6L6 vs. KT66 vs 6L6 In general, KT66s tends to have a bit warmer sound with more low end. The KT8C was based on the KT66 but the longer electron path (compared to the 6L6 and 807 types) was a disadvantage at the high radio frequencies. 6L6 vs 807 vs 6146. Enter your email address to be first to hear about our new products and special offers. 100 watts with two KT88 is also push-pull. In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. com/forum/showthread. com/youtube?q=kt66+vs+6l6&v=1OSBSI64FEM Aug 6, 2014 A comparison between amp tubes at clean amp settings -- 6L6GC / 5881, 6v6, KT66, KT77, and EL34 tubes all in the same amp with the same  KT66 and 6L6GC interchangable? - Ultimate Guitar www. This tube is NOT AN EXACT 6L6 REPLACEMENT. KT77? If this is your first visit, be sure to check out the FAQ by clicking the link above. The two tubes were nearly interchangeable, except that the KT66 was somewhat more rugged than the early metal 6L6. The Gold Lion / Genelex KT66 is an excellent copy of the original Genelex re-issue made in Russia. Share with: Link: FWIW, the V/A KT66, both TAD's and the Ruby are all made in the Shuguang factory in You can pop in *any* good matched pair of 6L6-GC, (except skinny Chinese & Russian ones), 7581, 5881, 6L6-WGB, or KT66 without any modifications, because the socket is actually wired for 6L6's. I prefer KT66's over 6L6's. Gents, Opinions please ! I need to pick a quad to go with for my new ST70. Thousands of guitar amplifiers use either EL34's or 6L6's for their particular sound in conjunction with a particular instrument speaker. Most hi-fi, amp, guitar amp, and stereo tubes we …Some possible Calibration tubes Leakage Tool Reference Card: What you receive: Guide to tube tester repair and calibration. 1911, used the typical light bulb Edison socket for the heater, and flying leads for the other elements. KT66: pdf Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Video › EL34 vs 6L6 The KT88 fits a standard eight-pin octal socket and has similar pinout and applications as the 6L6 and EL34. and they're $60+. glassy like a 6L6 but with more mids in the breakup. Tung-Sol KT66 Replace 6L6 for HiFi Size comparison of Tung-Sol KT66s vs a Svetlana 6L6 I've tried a few different varieties of 6L6 power tubes in my Dared VP-20 amplifier, which has been interesting but not particularly exciting. Power tube distortion exists and is a great thing. 6L6, KT66 type Tubes . The KT66 was essentially a 6L6 redesigned to have a larger cathode and a more robust wide section anode but more importantly, the electrodes were configured within the Classifieds: WANTED - searching for a pair of: 6L6 or Kt66. The KT66 has this compressed tube-i-ness to it that all british tubes seem to have (soft) vs the openness of 6L6s (hard). Navy Stable Element This is our "audiophile" tube page. either (Rogue Atlas - using tube extenders for the KT66s. a couple of questions. I really like all the low end associated with the kt66's as the band is a two piece (drums + guitar). The nuvistor was developed by RCA and it was first introduced in 1959. Gents, Opinions please ! I need to Vacuum Tube - KT66, Valve Art. The 6L6 may be used in most 6V6 audio applications if the heater supply will handle the increased current. Quick fixes for 7591A amps. We've just received a small batch of beautiful GEC CV1075 / KT66. 6L6 Tube / Valve: 6L6G & 807 - the 6L6 valve or tube represented a milestone in vacuum tube technology along with its sibling the 807 used in many radio transmitters. 06. Equipment used- 6L6GC/KT66 audio Thorens TD 124 mk 2 SME 3009/Shure, Tascam CD 450 player, NAD 1000s pre Watford Valves - Test Reviews test. 6L6 Discussion in 'Amp I've used 6l6's and 6v6's in deluxes that have been modded with solid state rectifiers and seems to my ears that the 6v6's sound 6L6GC Comparison of Current Made Tubes T-KT66-TUNG KT66 Tung Revisions to the original metal 6L6 such as increased power handling and glass envelopes yielded Although the RCA 6L6 of 1936 (the result of a license agreement between RCA and M-OV) was the first true "beam power tube" on the market, the later KT66 became almost equally famous, at least in Europe. An 807 is basically a 6L6 with a plate cap to allow for higher EP and a little bit of shieldibg around the grid leads for RF stability EL34 -More mids,which could be percieved as a "fatter" tone. (I run GL6GC/KT66 in the Fire The KT66 is simply a replacement tube for the 6L6. KT77? I've got the KT77's in my amp and wonder what it would sound like with nos EL 34's? Thanks" I've haven't tried KT77's (yet) but from what I've read about the 77's - yes it's a similar situation. From my understanding the KT versions have more headroom / breakup later, which is why you see them more in hi-fi equipment and less in low-fi (metal guitar amps). +1 for Toejam DIY Single-Ended (SE) KT88 / 6L6 / EL34 / 6CA7 Tube Amplifier Here are some notes and photographs of a single-ended (SE) KT88 tube amplifier which I recently built. . Thomann - Il negozio di musica più grande d'EuropaCombos Guitares à Lampes dans le plus grand magasin de musique d'Europe - Livraison rapide, garantie 30 jours satisfait ou remboursé et garantie 3 ans ThomannQUAD-II FORTY RE-ENGINEERING. It was designed for the 6L6/5881/7027/KT66 family of tubes. they're 6L6's with a bigger bottle. Back to the Tube Sales Page. Metropoulos Forum. I realise alot of people argue the Tung sols are not real KT66's which I do not know, but they definitely sound more like a kt66 than any 6l6 I have heard. Some say the KT66 is very much I broke down and added another power tube (Tung Sol 7581a) to my collection. The 5881 carries ratings similar to the 6L6 except that the allowable screen dissipation is 3. CAll Bob at Eurotubes he'll give you the skinny on the tonal differences of the 6l6 The KT88 is a beam tetrode/k pin octal socket and has similar pinout and applications as the 6L6 and by GEC in 1956 as a larger variant of the KT66. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type. com: 6 KT66 / 7581A (6L6GC equivalent) 1960s vintage GE, made in USA blackbase or brownbase, clear glass. by SteveH » Sat Dec 29, 2007 10:40 pm . At a time of generally low power audio amplification, these valves used in push pull could deliver up to …Più di {numberOfArticlesInCategory} a partire da {minPrice} in stock - Sul nostro sito trovi sempre lo strumento adatto per te. Tubes & Sound (12AX7 vs EL84 vs 6L6) There are also KT66, KT88 and several other less commonly used power tubes that change the flavor of the amp somewhat. EL34/6L6GC UL Mini Single Ended Amplifier's schematic replaced power transformer more big one KCA NOS Tubes. F. Fender Blues Jr : stock tubes set vs JJ tubes set. Guitar Amplifier Tube Swapping. A good way to describe the tone in one word would be to call it "cardboard". There are only two things to worry about in biasing a guitar amp. …2. (5881, 6L6 and KT-66). Mesa Bass 400 "6L6" vs "6550" version? (though I love the chinese kt66's). The first tubes. Is this just a Euro equivalent to the 6L6, or is it a different tube entirely?15 Aug 2010 6L6's vs KT66's. hx = Hexode Unit. Its more clangy and dirty sounding I guess. The Phillips 6L6 that i have in my amp came with it when i bought it, they sound amazing but i always thought that the KT66 is the model that should be matched with the quad because that's what it was designed for, am i wrong? Tubes & Sound (12AX7 vs EL84 vs 6L6) There are also KT66, KT88 and several other less commonly used power tubes that change the flavor of the amp somewhat. 6L6 GC A. i hear they're not really kt66's. 00 Buy NowThe KT8C was based on the KT66 but the longer electron path (compared to the 6L6 and 807 types) was a disadvantage at the high radio frequencies. headroom- on a Found 200 records in Search of Tubes Asylum. - takes effect well. Quick change from 7591 to 6L6-GC or Russian 5881 (Scott and Fisher amplifiers) On these amps the cathodes of the 7591A's are usually tied together. . and 6L6 is not tetrode . The first and foremost is not to set the bias current so high as Products > Valves - 6L6 + Valves. EL34 vs EL84 Discussion in 'Amp Input - Normal or Bright were based on Fender Bassman designs and had KT66's or 5881's , which were in the 6L6 family. This article focuses on the early generation Marshall amplifiers, which were offered during 1963 to 1973. Still, on the duncanamps tube data page, they are Has anyone tried both types of tube in the same amp? (not at the same time, obviously ). Re: 6L6 vs. I think this tube could replace the KT66 that is so hard to fit into a reissue Marshall KT66 / 7581A (6L6GC equivalent) 1960s vintage GE, made in USA blackbase or brownbase, clear glass. This is tubes comparison test with Gold Lion KT-66 vs TAD  5 Minutes with Amp Tubes - Clean - Shootout / Comparison - 6L6GC www. The Preferred Series is intended to improve on the TAD GC. 30. OTHER'S HAVE MENTIONED that 6L6, KT66, and. Class A operation is often found in high-end audio, but less often in guitar and bass amplification. Power tubes are responsible for powering the output stage in your amplifier. Reecently my Bugera 333XL's tubes got worn out. TAD (small bottle) vs. KT66 tubes have large clear or gray glass coke bottle envelopes. JTM's originally came with KT66's, but they put 6L6's in the export models when shipping to the USA. When it comes to tone, they do have a big impact. php?t=1035065Dec 31, 2008 are kt66 and 6L6 tubes interchangable? i was looking at some data sheets, and the pin layout seemed identical, though I may be wrong. KT66/6L6/5881/6V6. EL34 vs. In fact it’s more like an extremely rugged 6L6GC in a KT88 bottle. -breaks up earlier -More vintage tone -British tone -A crunchier sound. They are the Kinkless Triode (hence KT) versions. 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. Other tube types in the 6L6 family include: 6L6, 6L6G, VT-115A, 6L6Y, 6L6GA, 6L6GAY, 6L6WGA, 6L6GB, 6L6WGB, 1614, 1622, 5932, and 7581. Click to zoom in. I can run two pairs of 6L6's or use 6L6's in the front and EL34's in the back or just about any other combo you can think of (KT66's, 6550's, 5881's, and so on). Specifically designed for audio amplification, the KT88 has similar ratings to the American 6550 which was designed for use as a servo amplifier. How would this tube would be rated on the scale of soft to hard- how much breakup vs. new registrations are closed at this time. It is completely free for hobbyists to post classifieds here. A question about KT88's vs KT66's I think they are more related to the 6L6 sound so if you lean that way, the KT66's might be the way to go. Gastos de envío a España son 15 EUR, envíos gratis en pedidos por encima de 199€. 9A). Most hi-fi, amp, guitar amp, and stereo tubes we …HISTORY OF EARLY MARSHALL AMPLIFIERS . 6L6, 6L6G, 6L6GA, 6L6GB, 6L6GC, and all other variants as well as , 5881, KT66. I think that was GEC (Genelex). 2) Hiwatt Style Power Amp seems to keep it together when being pushed hard for a relatively low wattage. The SE tube amplifier design has been based largely around Mikael Abdellah's KT88 SE Tube Amplifier design from 2003. I replaced the 6L6s in my Mesa Boogie Triple Rec with a combo of KT88's and KT66's (and loved it BTW) Bought the set as a replacement set from Eurotubes - no bias needed just be sure the amp was set to 6L6 on the tube selection switch. 6L6GA is also taper-top or "Coke bottle" shaped but smaller than 6L6G. Nuvistors. I'm thinking about getting hold of a KT66 for my KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co However, the plate dissipation of the 6L6GC, at 30W, exceeds the KT66's 25W, and adjustment of the amplifier's bias is necessary. it on 2005-09-30, 15:10:29 (151. Use of these parameters shall be entirely at the user's own risk. KT66 vs. Most hi-fi, amp, guitar amp, and stereo tubes we …The first tubes. For the purpose of this article, the 1963-1973 handwired amplifiers are categorized into three sections: · 1963 to 1964 Metal Paneled (pre-plexi) · 1965 to mid-1969 Plexiglass Paneled “ PlexiThe EL37 audio output valve is one of the classic valves and its predecessor was the EL35. 27A) than the 6L6 series (0. Raytheon 5881 NOS w/box $2500 quad set 29. Genalex Gold Lion 12AX7 vs Ruby 12AX7. 6L6 Tube Review. KT66's should work just fine, although the Mesa doesn't operate at voltages where they would really be beneficial. This is tubes comparison test with Gold Lion KT-66 vs TAD 6L6WGC-STR Box loaded with Celestion G10 Greenback Guitars KT66- that's different. 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. After asking 2 sites about 6L6 brands, both suggested JJ. They make your amp sound like a big Wheaties box. Let us not forget the much desired Western Electric 350b, which is not up to the 6L6 in voltage specs, but sells for very big bucks. MATCHED PAIR! NOS in original boxes and white box. MESA 5881 STR-425 is a military grade 6L6 that was designed with an emphasis on rugged durability and consistency, capable of handling high voltage requirements - It produces a thick, rich tone with tapered highs that lends itself to styles of jazz, fusio But you're not limited to the 6V6, and it's such a simple circuit that it's very easy to revoice the amplifier by swapping in different types of power valve. KT66- that's different. 95 each) is an in-house design from www. 2007 · KT66 was designed as a European equivalent to the 6L6 in which they addresses the Ip/Vp curves kink inherent in the design of the 6L6 which was present from it's first incarnation as the 807 up to the latest as the 6L6GC. The 6L6G has the largest envelope. I have a hard time finding adjectives. 1) Lower gain preamp vs. It depends on whether you need that. ultimate-guitar. KT66 or a 6L6GC? Maybe even a 5881? KT66 vs 6L6GC vs 5881. The place for vintage amp discussion. RCA 6L6 metal used $1500 quad set. 6L6, KT66 type Tubes . _____ Fender literally wrote the book on electric basses, laying the foundation for musical innovation and evolution. beat me to it, but your right JJs 6v6s handle the plate voltage of a 6L6, and if you put a dummy jack in the external speaker you can run factory bias, the 6v6 wants to see twice the ohmage of a 6L6, the transformer on a hot rod deluxe goes to 4 ohms when the external speaker plug has a jack in it. Starting with 6L6GB, the envelope became tubular, tapered at the bottom just above the base. EL84. 1964 Marshall JTM 45 Block Logo White KT66 Profiled by Kenny Rardin. 2008 · diytube. $375 per tube. Most hi-fi, amp, guitar amp, and stereo tubes we …Home→NOS tubes 舊庒新胆→ KT66/6L6/5881/6V6. The Last Word On Biasing. As I was sitting up at the front counter, perusing through the local entertainment publication, a coworker walked up and interrupted my reading with what quickly turned into a point of animosity between us for several years. That can get expensive as my Primaluna Dialogue HP 21 Aug 2009 On and off over the years, I've seen mention of the KT66 tube. Then KT66/6L6's are tetrode type beam power tubes that are the forgotten heroes of consumer audio. RCA 6L6GC black plate used $4000 quad set. Please see the substitutes at the top of the page for more details The 6L6 will sound slightly rounder compared to the EL34 which will sound smoother. 6L6 tube is used in many mainstream guitar amps today. 45 pages in color. Pairs and quads are available. d = Diode Unit. KT66 vs EL34 Power Tubes in a Marshall 1987X. 6L6 Wed, Jul 21, 2010 1:52am Ive tried a shit ton of 6L6's and a few EL34's but the JJ KT77's blew them all out of the water by FAR but then Im playing through a XXX, but from what I understand they arent worlds apart. They are both on the warm side of neutral. EL34 6L6 Tubes? Let your ears decide which is your fav! 4 Jet City Pico Valve Kustom Defender 5H. 7581A and KT66 though power will drop slightly. Get the guaranteed best price on Power Tubes like the JJ Electronics 6L6GC Power Vacuum Tube at Musician's Friend. Consultar en los envíos a Canarias, Ceuta QUAD-II FORTY RE-ENGINEERING. 6L6/KT66 Tubes. RCA 5881 NOS w/box $3000 quad set. vs . Our exhibit is a post-WWII device, probably dating from the 1970s, as from the 1970s the KT66 lacked the internal carbon dust coating of the glass bulb that can be seen in KT66. every amp I used since 1984. Keep in mind that you can't readily change 6L6s in a classic Fender amp to EL34s without modifying the circuit since the Fender circuit can only accommodate the 6L6. 6202 Radio Valves; KT66-HARMA RETRO Harma Valves The Harma KT66-Retro is a meticulous recreation of the famous Marconi Osram The Preferred Series 6L6-GC (USD $29. Tube Data Sheet Locator. $40 a pair. This KT66 has a very articulate tone, and nice dynamics. This is a really nice USA made version of the British classic, and will work fine wherever a KT66, 6L6GC, 6L6, or 7581 is called for. Learn more about Fender electric basses. It is a reliable, low cost replacement, and it's probably what you have in there now. Enter qty 2 for matched pair/ qty 4 for matched quad. 27 amps and has a design maximum plate dissipation of 25 watts. Being an audiophile, there's that word again, the audiophile community uses the KT88 aka, 6550's, in half the tube based amplifier's on the market. 6L6 This is the metal jacketed version of the 6L6 tube. will be get 8W rms Triode modo. ask. 1. 36) Hi, i have a Ming Da MC34-B with 6p3px4, this tubes are similar to 6L6, KT66 or EL34? If i change this tubes with 6L& or KT66 OR EL34, i risk to see my amp explode like a bomb? Back to Tube Data Page. These are the late 60's / early 70's version with clear glass, dual "O" getters at the base and a brown phenolic base. I think the plate voltages are different , but a KT66 is a type of 6L6. ANOS RCA 6L6G KT66 OR 6550 tube substitution for 6L6GC ??!! the Shuguangs are "real" KT66, while the Sovteks are pretty much 6L6 in differently shaped glass bottles; AFAIK the TubeDepot carries a selection of 6L6 / 5881 / KT66 / 7027 Power Vacuum Tubes. A handful of contemporary makers still offer amps with KT66 6L6 Tube Types. diytube. An 807 is basically a 6L6 with a plate cap to allow for higher EP and a little bit of shieldibg around the grid leads for RF stability NOS in original military boxes marked "inspected 12/1955". M-OV ceased Gold Lion KT66 - Switching from the stock 6L6GC to the KT66 produced an immediate and very noticeable improvement in sound. KT77 or KT88? Discussion in 'Gear & Equipment' started by neroceasar, Dec 9 apparently if you have an amp that runs 6L6's, you can run KT66's in it in their place 6L6 Tube / Valve: 6L6G & 807 - the 6L6 valve or tube represented a milestone in vacuum tube technology along with its sibling the 807 used in many radio transmitters. The 1614 and 1622 are premium versions of the 6L6 that are rated for maximum output and longer life. Nuvistors were the latest tube development at just about the same time as the introduction of the first integrated semi­conductor circuits. EL37 vs. BEAM PENTODE Base: OCTAL U f = 6,3 V I f =c a0,9 A Typical characte-ristic: Class A1 Singl tube Push-Pull U a = 250 V 270 V U g2 = 250 V 270 V U g1 = -14 V -17,5 V I a = 72 mA 134 mA I g2 = 5 mA 11 mA R a = 22,5 kΩ - R a-a =- 5 kΩ N = 6,5 W 17,5 W Limiting values: Triode U a = 450 V U g2 = 450 V W a = 30 W Pentode U a = 500 V U Tube Amp Doctor is a German company specialized in electron tubes and related components 6L6 tubes including 5881) have compatible PC-numbers and The TAD KT66 Title: EL34 Author: Mullard Subject: FP-2002-02-16 Created Date: 2/17/2002 1:14:47 AM Since the KT66 has slightly greater ratings than the 6L6, and draws a little more filament current - but less than an EL34 - the only thing left is the bias voltage, and since Mesa amps are set very conservative, it's almost certain that a KT66 will bias safely, even if a little hotter than a 6L6 would. While all 6L6 types are pin compatible with one another, some amps are designed only for the higher powered 6L6GC. 4 amps ea. BustedGear. General. 5881 is the equivalent of a 6L6 or KT66. com. EL34. Not a problem at AF but the KT8 was pretty useless above 15 MHz whereas the 807 was still doing great things at 60 MHz. It depends on EL34 vs. 9 f/6L6's & I was cocerned about overheating the PT). (*)These specifications are provided 'as-is', with no warranty of any kind. This is a suitable replacement for any KT66 6L6 tube type. The KT66 beam tetrode was introduced in 1937 primarily for radar use. I change the tube compliment to suit the music, with EL34's usually in place for rock and big orchestral albums, and the KT66's for jazz, just for example. Lower wattage than 6L6GCs (19 watts). Skip to content. The KT66 is simply a replacement tube for the 6L6. When I use KT66's in Marshalls, I notice a distinct overdrive tone best heard on the early Cream albums. 00. It is a newer, revised version of the TAD 6L6 GC-STR (I reviewed the WGC, a slightly different tube). 6L6 has a characteristic pop, snap and sizzle sound that makes it an excellent fit int Jul 13, 2014 The KT66 is the predecessor of the 6L6. FWIW I have only the VA KT66's hooked up to the filament of the PT, I installed an auxillary 6. In a single ended amp designed conservatively for the 6V6 a 6L6 probably will work fine. A small Fender amp with one 6V6 and 3 watts is operating in class A. Liked the TAD EL34 also. Note :6L6 family with triode modo does't get more than 3W rms in general. the best current production kt66's are made by valve arts. A KT66 can be replaced with a 6L6, but remember that a KT66 draws more current an these two may not be 'drop in' replacements in all amps. KT66 Tue, Nov 03, 2009 6:04pm I don't know about the "breaking up sooner" commentI retubed a reissue '59 Bassman with KT66s (Groove Tubes back in '99) and it substantially increased the headroomeverything else was pretty much as described. You may also like The 6L6 and 6V6 share the same pinout and are compatible in equipment specifically designed to use either one. SINGLE TUBES ARE $80. 6l6 / 5881 / kt66 6L6's are beam power tetrodes that can be characterized as having a bold, bigger rounder sound - with crystal highs, warm mids, and bass controlled lows. Gold Lion KT77 vs KT66 Am I correct in assuming your amp supports both KT66 I prefer the “warm” sound of the 6L6 family. Buy Cheap El34 Tubes Now. knowledge base for the classic Dynaco ST70. KT66-HARMA RETRO Harma Valves The Harma KT66-Retro is a meticulous recreation of the famous Marconi Osram KT66 and follows the original design and In stock £35. Tubes by Brand. A KT66 is basically a beefed up 6L6, just like a KT88 is a beefed up 6550. Binder like a small book, with many hints, color pictures and tips about tube tester calibration. The early metal version of the 6L6 is a fine tube and still very affordable, but be warned that it cannot handle a circuit with voltages designed for the later 6L6GC. Updated 10-2018 . The 6146, however is a totally different animal basically designed for RF amplifier service. You won’t hurt the transformer at all with the EL34s, but the if you buy a set, don't get the groove tubes version. KT66 vs KT88. 6L6 / 5881 / KT66. SUBSCRIPTS FOR MULTI-UNIT TUBES: b = Beam Power Unit. 6550. is "Beam Tube". At a time of generally low power audio amplification, these valves used in push pull could deliver up to …Combos Guitares à Lampes dans le plus grand magasin de musique d'Europe - Livraison rapide, garantie 30 jours satisfait ou remboursé et garantie 3 ans ThomannEl artículo estará pronto disponible en almacén, y entonces sera enviado inmediatamente. The KT66 can be used interchangeably with its European competitor, the EL37, and its American rival, the 6L6GC. KT66: Raanan: 6/26/99 12:00 AM: Hi group, The 6L6 family definitely has much better integrated lower midrange and bass than the EL34 family. Alternately KT66's or KT77's [the latter more likely] or 6L6's could be used as a replacement. will try the JJEL 34 II Version and KT66 for their extended Highs and Charakter. Compared to a KT66 its got a bit more of an aggressive edge. Although the RCA 6L6 of 1936 (the result of a license agreement between RCA and M-OV) was the first true "beam power tube" on the market, the later KT66 became almost equally famous, at least in Europe. The KT66 is related to the 6L6 and the KT77 is related to the EL34 tonally. Different heater, slightly different plate structure (grid spacings and such). It's quite cheap, readily available from Triode Electronics or New Sensor, and it drops right in. Hi, If you connect pins one and 8 together, the tubes I listed, KT88, KT77, KT66, 6L6(all kinds), 6V6, EL34s, 6CA7s and 6550 all will work as they share the same base. Endröhren liefern wir, soweit nicht anders vermerkt, automatisch gematcht aus bei einer Bestellmenge von mehr als einem Stück pro Typ/Hersteller. Very nice Gm match on these. KT66: jekyl@my-deja. These are Electro-Harmonix 6L6EHs in platinum matched sets. 1: Change 6p3p to EL34 (11. by SteveH » Sat Dec 29, 2007 10:40 pm . p = Pentode Unit. 6V6 vs. RCA subsequently had enormous success with the 6L6 which replaced the use of power triodes in public-address amplifiers almost overnight. But the sound is "Marshall" or "Fender" more than it is KT66. KT77 or KT88? Discussion in 'Gear & Equipment' started by neroceasar, Dec 9 apparently if you have an amp that runs 6L6's, you can run KT66's in it in their place EL34 vs EL84 Discussion in 'Amp Input - Normal or Bright were based on Fender Bassman designs and had KT66's or 5881's , which were in the 6L6 family. i have these in my jtm45 clonethey sound great. KT88's? 03-05-2012, 08:41 AM I'm fixing to custom order an amp soon and I was going to get 6L6's installed, since they always have a bright but tight sound attached to them. KT66 was designed as a European equivalent to the 6L6 in which they addresses the Ip/Vp curves kink inherent in the design of the 6L6 which was present from it's first incarnation as the 807 up to the latest as the 6L6GC. 1999 · EL34 vs. " most 6L6 vs EL34 comparisons EL34 come out the reverse of what you listed. Upgrade replacement for 6L6 and KT66. The 5881WXT or 5881/6L6 WGC (same tube different base) is used as the OEM power tube for almost all amps calling for 6L6GCs by Fender, Mesa, Marshall. A KT88 and 6550 are interchangeable. VHT Special 6 power tubes 5881 vs EL34. by Marc Johnson for TheToneKing. In other words, it deals with the output transformer, as well as speaker. com. kt66 vs 6l6 6L6, 6L6G, 6L6GA, 6L6GB, 6L6GC, and all other variants as well as , 5881, KT66. 6L6GC, 6L6GB/5881 and KT66 Tubes Different Power Ratings. My signature single end amp Hummingbird can be loaded with KT66 or 6L6 tube. Discussion in 'The Backstage' started by alexrules43, May 26, 2007. I have hear some Fender 2 x 6L6 amps sound alot worse. I found several threads here describing technical 14 Jan 2011 Which is going to have more balls and more headroom? KT66 or a 6L6GC? Maybe even a 5881? I have to get some soon, have a gig coming HISTORY OF EARLY MARSHALL AMPLIFIERS . 5 posts • Page 1 of 1. Although it will work fine in most 6L6 circuits, the KT66 has a higher filament current of 1. M-OV ceased 11 Feb 2013 I'm looking for some info on the sound differences between the 6L6, 5881 and KT66. Mullard's version of the 6L6 was the EL37, AFAIK. Check out the Can I swap 5881 or KT66 Power Tubes in Place of 6L6 Power Tubes? page at Sweetwater — the world's leading music technology and instrument retailer! Shop Sweetwater inSync SweetCare Events Careers Used Gear Grudge Match: 6L6 Vs. Glass shape and socket color, is vintage. These are from military stocks and do not have KT66 printed on them, as per the military's request. kt66 (kt66) Hallo Herr Hippenstiel,habe mich im ersten Beitrag nicht richtig ausgedrueckt dafuer will ich mich entschuldigen aber die 1622 ist trotzdem aequivalent mit der KT66 sowie diese beide Roehren aequivalent mit der 6L6 sind. There are many options, the most popular being: * 6L6 * EL34 * KT66 * 6550 * etc The information below shows how to modify your amplifier to use these valves. 01. i wouldnt use kt66 in a tweed bassman,it will stress the power trannyuse rca blackplate 6l6gc or tung sol 5881 for best breakup in a 6l6,imo i own all of the old 6l6 tubes, these are best for smooth breakup and still twang for clean. Welcome to CAM, a classifieds site for used audio and hifi. KT66's have more bottom end and balls than 6L6's. Welche Röhren und Röhrenkombinationen soll ich nehmen ? Umfangreiche Informationen auf unserer INFO-Seite. 08) Posted by x-form@libero. I have heard very good things about the SED Winged -C Startseite Katalog Röhren Endstufenröhren 6L6 / 5881 / KT66. MOV bounced back a year later when they introduced their own version, the KT66 which was used in the extremely popular QUAD II power amplifier. 6L6's vs. Guitar amplifier parts, guitar amplifier tubes and guitar amp tubes 12ax7, 6v6gt, EL84 The KT66 is in the same family as the 6L6 so they have simular characteristics. A note with respect to the KT66. The only way to describe it is 4 Mar 2016Decided to replace the 6L6 tubes in my 5153, with Tung-Sol KT66's ( the only KT66 tubes that are compatible with 6L6 amps) Hopefully the 8 Apr 2007 How similar are 6L6 and KT66 tubes? The pins are similar, and the ratings are pretty close. kt66 vs 6l6KT66 is the designator for a beam tetrode vacuum tube introduced by Marconi-Osram Valve Co However, the plate dissipation of the 6L6GC, at 30W, exceeds the KT66's 25W, and adjustment of the amplifier's bias is necessary. 3v hammond 1 amp to run the 12AX7's. EL34 in TORII JR There will be a single screw adjustment for bias making it possible to re-bias the amplifier for tubes like the KT66 or 6L6 or KT77. _____ The KT66 has a higher filament current (1. EL34 & 6L6 characteristics. Check out reviews and ratings of our 6L6 and 5881 tubes. thetubestore. Los precios incluyen IVA (21%) y son válidos hasta agotar existencias. They also have a little of the EL34 midrange/ To me they are kind of in between a 6L6 and an EL34. They have a more colorful personality. I play a wide range of music, but primarily hard rock and de-tuned metal KT66 has been used in high end audio amps in Europe, as well as in the legendary Marshall BluesBreaker combo amps in the 1960-70s. 76. The Sovtek 5881 sounds much better to my ears than NOS 6L6's, and comes respectfully close to the very expensive NOS Genalex KT66. Later the 6L6G had 25. Their platinum matching Tungsol KT66 - Not your average KT66. Accordingly the KT66 was the preferred choice for audio enthusiasts. 00 Buy Now; 5881-HARMA CRYO Harma Cryo The Harma 5881-Cryo is the button based Russian military valve is the same valve which powered the Marshall and Mesa In stock £23