6bm8 vs el84 An ECL83 will give about 6 Watts. There is a very significant difference though tone wise. It's fairly close to having a 6AQ5 (a bit smaller than the EL84/6BQ5) and a 6AV6 (1/2 a 12AX7, basically) in one unit. 1 Oct 5, 2020 · Power amp tubes can make a huge difference to your guitar tone. This ^^ Nov 6, 2012 · If one were building an amp, Single Ended or Push-Pull, with 6V6 tubes or with EL84 tubes in the output position, what would the practical difference be? (Socket, of course!) They are similar enough that I wonder what the practical implications would be. Aug 4, 2006 · Liverpool with ECL82 instead of EL84 by David Root » Sat Dec 03, 2016 11:07 pm Started building this recently. Mar 12, 2018 · Some of the 6BM8 gear includes the Sansui 250, Knight KG 250, Amperex model 28, Sargent Raymont SR1040 and a few Pioneers beyond the SX34. The reverse will not necessarily be a correct replacement. Fisher ran the plates at a high 380v but dropped 整流管、プリ管に続き、パワー管の互換性です。 ★ 6BM8グループ ・6BM8（アメリカ系の呼び名） ・ECL82（ヨーロッパ系の呼び名） ★ 6L6グループ ・6L6G ・6L6GC ・6L6WGC ・6L6WXT+ ・5881 ・5881WXT ・KT66 ★ 7027グループ ・7027 ・KT66 ★ EL34グループ ・EL34 ・6CA7 ・KT77 ★ EL84グループ ・EL84 ・EL84M ・6BQ5 ・SV83 Dec 1, 2011 · Hello folks, As I wrote in another thread, I broke four 6BM8's and I am searching for new ones. Why 4xECL82, not 2x6V6? I have always been a fan of four power tube amps, but I don't need a 30W Liverpool. EL84 by engels » Mon 10/23/06 4:10 pm EL86's now sell for 2. To make things easier to find, I've listed all the equivalents from the header, so some files will be duplicated. But they don't sound exactly alike, so perhaps the Oct 23, 2007 · I am new to the tube amp game and i am wondering what is the difference in tonal characteristics between 6V6 amps and El84 amps. The ECL80 pentode section has a SEPARATE connection for the Suppressor Grid (7) and the Cathode (3) ECL80/6AB8 will give you about 2-3 Watts RF out, ECL82/6BM8 will give about 8 watts. Just a personal preference and both sound good. 6 pcs,US $0. Nov 10, 2007 · I'm looking at two different receivers to buy, 1st is a stereo single ended with a pair of 6BM8 ouput tubes. HM = Heater Tap. 6DX8/ECL84 and ECL85/6GV8 will give maybe 8 watts and the ECL86/6GW8 will give about 12 Watts out. 8) Aug 29, 2025 · ,HIFIDIY论坛热搜: 变压器 手机 音柱 功放板 喇叭 车机 金属外壳加工 散热器 电位器 耳机 汽车功放 移动电源 电源插座 书架 声卡 空调 1969 bose 低音炮 1875 Jul 12, 2019 · Switch to the 6BM8/ECL82, for both greater gain and ease of acquisition, and make R6 a potentiometer. Same heater voltage, similar draw Can Apr 14, 2009 · Any ideas on a 6BM8 equivalent? This is a triode-pentode-in-one-tube device. K. Will be a half power L'pool as 4xECL82 (6BM8) adds up to 15W. A good sounding 6BM8 brand are Matsushita 6BM8. De meeste datasheets zijn in PDF formaat, maar sommige zijn links naar andere HTML pagina’s. Oct 21, 2010 · The ECL92/6BM8 has been described as 1/2 an ECC81/12AT7 + a derated EL84. Despite the bad reviews, the more recent ones seem promising. IIRC, a Svetlana Technical Bulletin was published that describes the implementation in question. The latter had a relatively high output and when coupled with the single ended pentode output stage made effectively a Aug 26, 2023 · EL34 Vs EL84 Amp Tube Comparison Details in Table. t = Triode Unit. SUBSCRIPTS FOR MULTI-UNIT TUBES: b = Beam Power Unit. Apr 26, 2008 · Could anyone please advise if this power trans would suit for a starting point for parts to attempt to build either a 6gw8 / 6bm8 or el84 SE amp, or would it suit all and is it also suitable for 240 V mains power ? If so which is the best way to bench test, if it is actually operative. Oct 24, 2018 · I suggest only buying EL84 amps now, not 6BM8 amps. However, many musician's prefer the regular EL84's warm distortion GE 6BM8 Power Pentode & Triode The GE 6BM8 / ECL82 is a 9-pin miniature power pentode and triode. Jul 26, 2006 · The biggest physical difference between the 6V6 and the EL84, of course, is the octal/9pin configuration. :tears: On internet auction, Russian brandnew 6F3P's are for sale for $9. A lot of sellers especially mix up EL83 and SV83/6P15 all the time, which are completely different beasties! Jul 8, 2017 · 6GW8 has a 12AX7 inside for driving the 9 watt plate dissipation power pentode. that you will have to refer to the manual to work with it. Should be good for 2-3W in Class A, or 8-10W in AB. It has a pentode plate dissipation rating of 7 Watts With convection cooling. I recently built a Tweed Dumble Like the EL34, the EL84 is more often found in British style amps than its "big bottle" counter-types. [] Both the ECL82 (6BM8) and the ECL86 (6GW8) have separate connections to each cathode. NEW, NOS! General characteristics: Name: 6F3P Type: triode-penthode Application: LF amplification and in TV scan modules Cathode type: oxide, indirect heating Envelope: glass,miniature Filament voltage, Volt: 6. S = Metal Shell. dave I used two of those transformers for ECL86 in a EL84 small amp, and they sound ok for the size of the transformers. These looked like 6BQ5's so without looking them up, I plugged a pair into a home made amp. The preamp probably needs to have a 220k load resistor to compensate, and the PI grid leak resistors need to be 1M instead of 470k. Originally this amp had EL84's but I changed those to 6BM8 pentodes. electron Tube Data sheets - E electron Tube Data sheets E Feb 24, 2018 · ALL 6BM8 / ECL82 triode-pentode tube types, including European, USA types New old stock in original and white boxes. EL84 Tube Reviews: See reviews of the best EL84 power tubes. However, Svetlana recently introduced a new tube, the SV83, which might be called a brother of the EL84. Feb 5, 2008 · The 6BM8 uses the same nine-pin socket as an EL 84, but it's NOT the same base. 90 at Antique Electronics. Also known as 6BQ5 and 7189. So why even consider the more expensive EL84M from Sovtek? In short, the Sovtek EL84M lasts longer, has a lot more headroom and more watts. Since the Svetlana 6BM8 is not really close to the EL84 in its basic ratings, we left it out of this test. Another consideration would be output transformers from an ECL86 PP amp, less watts but still enough for the 6BM8's. I would mount the mini-toggle in a fashion to make sure the toggle switch isn't accidently bumped into the "wrong" position. Anyways, he was satisfied only after the best tubes were installed. EL34 is used to produce high wattage whereas EL84 is used to produce low and warm volume as an output. ★ 6BM8グループ ・6BM8（アメリカ系の呼び名） ・ECL82（ヨーロッパ系の呼び名） ★ 6L6グループ ・6L6G ・6L6GC ・6L6WGC ・6L6WXT+ ・5881 ・5881WXT ・KT66 ★ 7027グループ ・7027 ・KT66 ★ EL34グループ ・EL34 ・6CA7 ・KT77 ★ EL84グループ ・EL84 ・EL84M ・6BQ5 ・SV83 ★ KT88 Mar 24, 2022 · My questions relate to my Eico HF-12 but would also apply to the HF-81, HF-14 and possibly others that used EL84 output tubes. It actually is the engine behind the legendary Vox AC30/AC15, and in more recent years has become very popular among many boutique amp builders. Other 6BM8 tubes just do not get it for best sound. So they don't break up quite so much. GitHub Gist: instantly share code, notes, and snippets. I added a VVR3 to it so I can get even more overdrive at very low volumes. IF you were doing this between a 6V6 and EL84, then the mini-toggle might switch to a 130R/10w to 170R/10w range resistor and then whatever value cap you would want. Please report any The 6BM8 is a moderately high gain valve, the triode having a mu of 70, which is a little more than a 12AT7 triode. We dive into EL34, EL84, and 6L6 tubes and find out the differences. hp = Heptode Unit. What are the pros and cons of each, and in general any opinions, preferences,info. Attach to 6DJ8 EL84 6922 6BM8 6BQ5/EL84 6CG7/6FQ7 6DJ8/ECC88 6DL4 6EU7 6AU8 12AT7/ECC81 12AU7/ECC82 12AX7/ECC83 12AY7 12AZ7 12BH7 12BY7 5751 5814 6189 7119/E182CC 7199 E80CC EF86 etc. The ECL80/6AB8 will give you about 2-3 Watts RF out, and an ECL82/6BM8 will give about 8 watts. The clone GA-05 runs nice and quite has great overdrive but to me seems to lack the bottom end the 6v6 seems to deliver. The pentode section of the 6BM8/ECL82 is lower-power, but basically similar to EL84. In this exhibit the output valve is a beam tetrode rather than a pentode. I will take the EL84 every time although some 6V6's I have look really cool, like the older G type with coated glass or the smaller US Navy RCA GTY with Mar 12, 2018 · Some of the 6BM8 gear includes the Sansui 250, Knight KG 250, Amperex model 28, Sargent Raymont SR1040 and a few Pioneers beyond the SX34. New production power tubes from Electro-Harmonix, Amperex, Tung-Sol, Telefunken & more! May 26, 2003 · Suitability of ecl84 tubes for audio Hello everyone, Just bumped into a bunch of ecl84/6dx8 tubes, logicly they should be O. Shop our great selection of 6BM8, ECL82, 6GW8, ECL86 vacuum tubes now. Would it be possible to use them as a 6GW8 substitute without doing any modifications besides changing socket pinout Jan 24, 2006 · EL86 VS. The tube having a higher voltage rating doesn't mean it puts out more power if the amp B+ voltage is the same (my understanding anyway). Jul 28, 2005 · 6bq5 (el84) vs 6CW5 (el86) I forgot to mention that simply plugging a 6CW5 into an amp made for a 6BQ5 is really not a good idea. But the 6V6 was a close variation of the earlier 6AQ5 9 pin power tube. I have read about some Audio Note gear using the 6BM8, but believe it is used as a driver tube vs a power tube. hx = Hexode Unit. The EL84 is a vacuum tube of the power pentode type. If more Sep 13, 2025 · Good for longer 9 pin tubes like 6CA4, 6X4,6BQ5,6BM8 and EL84 + more. Other EL84 tube equivalent part numbers or substitutes are 7189 and 6BQ5. 00 each. Aug 28, 2024 · In my opinion power tubes recognized as the most commonly used for British and American Amplifier tone would be the EL34 and EL84 for British tone and the 6L6GC and 6V6 for American tone. 6 days ago · Electron tube 6F3P (6Ф3П) is a triode - pentode which was designed for operation in low-frequency amplifiers and in vertical sweep stages of television receivers. But, higher-end equipment do need the best tubes to extract the best EL84 pentode does not replace 6BM8 which is a triode/pentode. Our tubes are always tested, matched and guaranteed. Mar 10, 2010 · I've been trying to find come recommendations to upgrade a tube amp I just bought that has a stock 6N1. Equivalent to the 6BM8, ECL82. If you have just average speakers and a cheaper TT plus a lower end cartridge the tubes do not matter as much. Glass_painter. And i like i Dec 12, 2015 · Follow Ups: RE: what 2 tubes will replace a 6BM8? - SteveSchecter 05:38:25 12/14/15 (1) In Reply to: RE: what 2 tubes will replace a 6BM8? posted by DAK on December 12, 2015 at 13:52:58 Believe me, I know the compulsion to use the tubes on hand! However, I think you owe it to yourself to buy some 6BM8 for this project. The 6BM8 must run at lower current (larger cathode resistor) under those conditions a higher impedance closer to 10k would be "ideal". They require about 50V less voltage than EL84 and draw a bit more current. As far as new output transformers go When delving into the heart of guitar tone, you’ll encounter a debate among enthusiasts and professionals alike about the impact of vacuum tubes on an amplifier’s sound. Checking out a schematic first might be a good idea. Nov 6, 2012 · I like and use the 6P14P-EV in some of my own projects, it is pretty close in performance to the 7189, and even sounds nice. The 6V6 and 6AQ5 ratings are considered the same in most tube manuals and they both have beam forming plates instead of a wire surpressor grid like the EL84. Nov 17, 2020 · Re: Looking for EL84 Tone Comparisons by Tube Brand by roberto » Tue Nov 17, 2020 5:07 pm 6P14P are more powerful than standard EL84 (14 vs 12 W of plate dissipation) and very linear (I use them for hi-fi), and you can find them with different selection of guaranted workind time: Mar 4, 2011 · Hi guys, Im looking for 6BM8 tubes for a little amp I have (Unknown brand New Yorker). EL84 ("Affordable") rotobadger May 12, 2019 Tube Audio Replies 23 Views 4K May 15, 2019 Predominantly the tube is limited to British and European designs although the US equivalent 6BM8 can be found in low-powered American guitar amplifiers. 3 Anode voltage of triode, Volt: 170 Grid voltage of triode, Volt: -1. 1, 2, 3, etc. 限定品！真空管アンプ6BM8やEL-84 (6BQ5)，KT66や6CA7．6L6GT . 6F3P / 6BM8 / ECL82 Svetlana triode-beam power tube. 6BM8 (Read 6342 times) 0 Members and 1 Guest are viewing this topic. これら最も一般的な出力管のうち、EL84（及びあまり見かけることのない6BM8と6973）はほとんどのプリ管と同じ直径ですが、背が高く、同じ9ピン・ソケットを使用します。 他はすべて大型の8ピン（オクタル）ソケットを使用します。 Aug 26, 2023 · EL34 Vs EL84 Amp Tube Comparison Details in Table. Pictures, data and characteristics. = No. The May 27, 2009 · However, I actually prefer using a 12A_7 with the 6BM8's because I like to be able to use a 12AT7 or 5751 for the LTPI. p = Pentode Unit. Comparing the Eico HF-12 to the Fisher 30-A, Eico ran the screens slightly above the plate (336v screen & 330v plate). 7k or 8k transformers are likely the most affordable/available if you wanted a bit more power than 5k, because they're used Jan 25, 2005 · The ECL82, otherwise known as the 6BM8, is a "hybrid" tube triode line stage plus a pentode output stage in one bottle. Apr 12, 2006 · These tubes contain a triode, which is similar to a 12AT7, and a pentode similar to an EL84, but with a lower power rating and slightly less gain. IC = Do Not Use (Internal Connection). For Good for longer 9 pin tubes like 6CA4, 6X4,6BQ5,6BM8 and EL84 + more. a ECL86 is more or less a half ECC83 and a EL84 in the same glass. Classic amps using the ECL82 Mullard 7-watt stereo, Avantic SPA-11, Armstrong A6 B. Would you guys remove the entire bass channel circuit? Would you bother with it at all? That power tranny sure looks promising, but the opt's look like junk? Thanks Dec 30, 2006 · The 6bm8 does give a bit of a different response since it's not a beam pentode like the 6v6. or Neutral. Jan 21, 2020 · Re: EL84 vs 6V6 by colossal » Tue 01/21/20 11:00 pm JMPGuitars wrote: ↑ Tue 01/21/20 9:23 pm Compare one good brand of output transformer to another, and it's not so noticeable (if at all). d = Diode Unit. I got a bunch of 6CW5's from dismantling a few hundred pounds of HP oscillators. The 6BM8 has a triode and a sharp cutoff pentode in the same envelope; the el84 is just a pentode. USA tube dealers only have a few various brand 6BM8s left in stock and no matching quads available. White Empty Tube Box. One can never build enough amps Also considering a 5c1-ish Champ using 7-pin tubes (6AU6/6AQ5/6X4), a low-watt 1974 (Marshal 18-watt style), a Selmer TV6 (kinda AC4) lots of options. We will do all we can to help. 75 inches without the pins and a diameter of . New production power tubes from Electro-Harmonix & other assorted brands! 6BM8 / ECL82 / 6F3P type tube made in Russia, old stock, solid long life construction Since the Svetlana 6BM8 is not really close to the EL84 in its basic ratings, we left it out of this test. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. If you're wondering how 6v6 vs el84 power amp tubes compare, check out this post for a deep dive comparison! Vintage Telefunken, Siemens, Valvo, Philips, Mullard, Tungsram Audio Tubes. Apr 28, 2014 · Design choice for 12ax7 + ef86 + el84 or 6gw8 / 6bm8 Started by crazynutter, April 28, 2014, 10:49:45 AM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. It is used in the power-output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. The 6L6GC electron Tube Data sheets - 6 electron Tube Data sheets 6 Je vindt hier een bescheiden verzameling datasheets van populaire buizen. However, tubes like the Mullard & Japanize 6BM8 have a 9-10 dissipation plate vs a 7 watt plate dissipation plate like in the USA Sylvania. My least favorite is the EL84 which was brighter with the most chime. 17W of EL84). Specifically, the discussion often centers around two prominent types of power tubes: EL34 vs EL84. Good is good. I thought the EL84 was the least smooth sounding when overdriven. 54/pc ; Tax excluded, add at checkout if applicable The 6BM8 is an audio triode plus output pentode of seven Watt anode dissipation. Odd tube set up no? Would anyone have a Sam's? HS-839A is apparently the model number. The 6V6 tube, a staple in small American combo amps, is renowned for its warm, round, and clean tones that have shaped the sounds of countless records. Apr 9, 2014 · Similar threads EL34 Amp Recommdations vs. Conclusion For this comparison, I am going with JJ Electronics. Jun 12, 2023 · 中古のムラード・ECL82（6BM8）とEL84（6BQ5）を入手し、 またヤフオクで A2134（CV4062）を購入していたのでこれらを 試聴してみた。 Aug 30, 2005 · If using ECL82 (6BM8) in this circuit I would GUESS that Ultralinear Mode would be just about mandatory to get a reasonable Zout AND sensitivity. 87 inches, although there is a disclaimer that the measurements may be slightly off due to glass manufacturing. What are the best sounding? I prefer the KT88 myself. With fixed bias; 270V B+ the AB power can be stretched close to 10W and no-one should underestimate the simplicity of fantastic listening power and simplistic design. Feb 17, 2009 · PCL86 contains one triode stage; apparently very similar to half 12AX7, and a pentode, similar to an EL84, but slightly lower max-voltage Anyone tried to make a small SE amp out of just one PCL86? Oct 14, 2021 · EL84 This one is sometimes described as the “baby EL34” because of its classic British origins, but the EL84 really has a tone all its own. The EL84 was intended for use as an inexpensive alternative to the larger power tubes of the time. Mar 15, 2006 · Opinions please. K = Cathode. 00 TubeDepot carries a selection of EL84 / 6BQ5 / 7189 Power Vacuum Tubes. I play with a band where we mike it into the P/A and it works fine for me. :scratch2: Thanks, Alex Aug 8, 2010 · Same data as the EL84 except the 6gk6 are rated 330v plate and 330v screens,and about 1. These things, in one way, are like EL84/6BQ5 - You have to really look hard Dec 6, 2018 · These are the better EL84 vs the cheaper Sovtek EL84 tubes. Apr 11, 2009 · 写真は6BM8と互換性のあるELC82の写真です。この球は、内部構造が複合管になっており、3極管と5極管が入っていますが、5極管の方をパワーを出すのに使い、3極管は入力回路等に向いています。12X7Aに似た扱い方が出来る真空管です。6BM8の5極管部分でパワーアンプを設計すると最大3W程度を出す Explore the history, specifications, and audio quality of Valvo EL84 tubes, a classic choice for vintage European audio equipment. Perhaps he will 'chime in' here. Compare it to whatever lame mass-produced, underspec'd junk the manufacturer put in there, and any good OT sounds amazing. 6V6GT．12BH7 等用10K シングル用 出力トランス ペア Feb 24, 2019 · Our Preferred Series 7189 tube is a versatile high quality option for EL84, 6BQ5, and 7189 tube circuits because of its clean headroom, power, dynamics and harmonic content. Sep 19, 2019 · So what is a tube? In this article, we'll take a look at the different types of tubes, paying particular attention to power tubes. I see that the 6BM8 is a very similar tube with different pinout. A similar & common 6BM8 has an equivalent of a 12TA7 for driving the 7 watt plate dissipation power pentode. :scratch2: Does anyone of you have infomation on this tube, and know if it is really substitutive to 6BM8? If Jul 2, 2007 · You get a bit less gain with 6BM8/ECL82s. With respect, 10thtx Stevem Posts: 5177 Joined: Fri Jan 24, 2014 3 Jun 2, 2021 · I decided to make a video series of my next project, a small 6BM8 SE UL scratch built amp that is perfect for a beginner or anyone looking for a fun project to build. All 1960s to early 1970s vintage, these were used in smaller tube amps of the period, and are not currently being made anywhere. Nov 15, 2018 · Buy 4pcs 9-pin Vacuum Tube Gold plated bakelite Sockets for 12AX7 6DJ8 EL84 6922 6BM8 6BQ5: Tubes - Amazon. Thanks. I think the 6BM8 sounds far more Marshall-ish and has more compression. You should be able to get all the parts new for under $300, it's a simple design and from what I have read, these are great Nov 1, 2017 · The 6BM8 amp would sit between these and the AC10 (and I have a homemade 1x12 cab that I want to build it in). I read that there are ones that will fit but are not made for it due to various differences. Classified: FOR SALE - Vintage 1960's NOS 6BQ5 / EL84 + 6BM8/ECL82 + 6GW8/ECL86 Tubes asking for $45. 5W in PP (vs. 6F3P is direct replacement for the american 6BM8 and european ECL82 tubes. The triode side is more like a 12AT7, and the power pentode also has less gain than an EL84. Nov 11, 2025 · Source Legend: DC Dave Cigna / Francesco Piazza DM Me! The above SPICE models for various valves and most of these models are for use with PSpice from Orcad. 5 watts more each tube,look like EL84s, small rewire of the socket to use them. 6BQ5は米国名で、1953～4年頃フィリップス社開発のオーディオ出力管EL84そのものです。 小信号入力で高出力、低歪み、比較的タフなこの球は、近代管の最初の真空管・・と、言っても間違いではないでしょう。 TubeDepot carries a selection of 6BM8 / ECL82 Power Vacuum Tubes. IS = Internal Shield (Electrostatic). Jun 10, 2022 · EL84/6BQ5/6P14 (type 1) vs 6P15/SV83 (type 2) vs EL83 (type 3) AND NO, the 6P1 is not an EL84 type at all, with completely different pinout, and it has been mentioned that it is more like a 9-pin mini version of 6V6, similar to 6AQ5/EL90. Aug 26, 2020 · This is a list of Soviet and Russian tubes and their American/European Equivalents. Visit us now! A GA-5 clone build with a El84, and a 5f1 clone circuit with a 6v6 power tube. 6V6 is barely noticeably louder. I'd consider this an invitaion to build an El Cheapo variant. The EL84 is smaller and more sensitive than the octal 6V6 that was widely used around the world until the 1960s. . They are also known as ECL82s, and were used in the 10W Watkins Westminster amplifier. Using 12AX7 pre-tubes, not the triodes in the ECL82s. A single 6BM8 may be used as an economical low power mono block amplifier or a pair of 6BM8's, in ultra linear configuration are an excellent choice for more power. The standard EL84 is made by JJ Electronic , TungSol, Sovtek and Electro-Harmonix. The similar one would be 6GW8, but it is different spec. The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V Nov 30, 2008 · Hi all, I have a vintage pioneer receiver that uses 6GW8 output tubes, which are no longer manufactured. SVETLANA factory. 6BM8 = 9EX; el84 = 9CV. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. I'm planning to build a 18W with those. EL84 tubes in upgraded Scott 299 amps series sounds as good as upgraded 6BM8 amps with Siemens 6BM8. The EL84 is a very popular output valve in both Hi-Fi and guitar amps. There are always quads of Russian Svetlana 6BM8/ECL82 available, but not sure on the sonic quality. Jan 24, 2007 · Considering this tube was destined in small sized TV sets, it's done well to survive against the EL84/34 stuff. We have excellent NOS Amperex Holland, Siemens Germany, and Mullard UK made tubes. for audio use. Nov 10, 2020 · Common Features The three EL84 tubes have a height of 2. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. 66) Posted by Alan Breece on 2003-10-25, 07:37:49 (167. That's somewhat correct. The triode is similar to a 12at7 and the power tube is like a smaller EL84 good for about 9 watts. Nov 16, 2019 · 買った人のコメントを見ると「中華製は安いが、品質はそれなり」というものが多いように思える。 ア中華製6P14p-p真空管アンプ_DoukAudioMini (6BQ5/EL84) Jun 2, 2022 · The EL34 vs EL84 are amazing tube power amplifiers that are designed to work with a different range of wattages. Difference on their power output, application, comp ability, Tonal Characteristics, etc. 6BM8 / ECL82 Recommendations, Comments?Circles » Audio/Video Gear and Systems » Tube-o-phile Circle (Moderator: JakeJ) » Apr 28, 2014 · Design choice for 12ax7 + ef86 + el84 or 6gw8 / 6bm8 - Page 2crazynutter Gearhead Posts: 864 Logged Re: Design choice for 12ax7 + ef86 + el84 or 6gw8 / 6bm8 #16 May 01, 2014, 01:35:06 PM The project box I have will only fit 3 pots at most I Print Go Up Pages 1 2 User actions Aussie Guitar Gear Heads Site Resources In The Shed Print Heater TERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). Apr 25, 2024 · 7189 subs for an EL84/6BQ5 in every 6BQ5 amp I've ever owned. Do you have any recommendations on which brands are good on this type of tube? I cant find info on this one. It's called a 56T reverb and is based on an amp drawn up by DaGeezer on another forum. The other is a monophonic unit with a pair of 6B… EL84 pentode does not replace 6BM8 which is a triode/pentode. The tube has the same pinout as EL84 and is a bit more powerfull. A few newer 6BM8 amps have been built in China in the last 15 years. tr = Tetrode Unit. Chosen by Matchless for their designs, the EL84M also features higher transconductance, more power, and longer life than the less expensive EL84, making it perfect for hi-end audio applications. The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V The pentode is not unlike a low-powered EL84 - 7W max dissipation if plate voltage <250 (or 5W above 250) into a 5-6k load resistance, bias of about -24V, screen 200V, plate 300V Jun 3, 2021 · For comparison, understanding that the more familiar 6V6 delivers around 14 watts and an EL84 approximately 12 watts should give some pointers to the ballpark output of the 6BM8-loaded Super Bee. The output is 18. We will do our best to solve it for you. Most SPICE model links are to Dave Cigna's stash of SPICE models provided by Francesco Piazza- these are marked DC. Please see John Templeton's review of this tube. LTSpice models for vacuum tubes. The EL84 vacuum power tube is well known by electric guitar players and audiophiles alike for its smooth, sweet sound, and great sustain. 176. The triode section has a amplification factor of 70, and this valve was much used in record players with crystal pickups. One pair often debated are the 6V6 vs EL84 power tubes, which stand out as popular choices for musicians seeking different tonal qualities. They post a link to an article that is dead, so I used the wayback machine to post it in. The sockets will have to be mostly rewired (only the heaters are the same). com FREE DELIVERY possible on eligible purchases 6bm8 in Tube DIY Asylum Search of Tube DIY Asylum 1: Hammond with 6BM8's (10. I've always taken the tone of the higher powered tubes as the target difference between the two. An interchangeable North American type is the 6BQ5 (the RETMA tube designation name for the EL84). Author Topic: 6MB8 vs. Anyone had a chance to play with these or has an opinion plaes do. Our Scott-donor ECC81/EL84 triode class A El Cheapo is a real stunner. They work great for freeing up space in a push pull circuit because you can use one section of the tube for one half of the phase inverter and the other section for the power tube. Haast alle datasheets zijn in het Engels. It's amazing Electron tube 6F3P (6Ф3П) is a triode - pentode which was designed for operation in low-frequency amplifiers and in vertical sweep stages of television receivers. Apr 6, 2022 · The 6bm8 is a dual section tube containing a triode section and a pentode section. To check that this circuit is indeed a winner I have recently converted one channel of my Morgan Jones Bervois Valley Amp to this circuit using a 12AX7 for the triode section and EL84 for the pentode Dec 30, 2006 · This is the second 6BM8 push/pull amp I've built. Oct 18, 2007 · It has EL84's in the bass channel, and Mullard ECL82's (6BM8's) in the stereo channels. NC = No Internal Connection. The pentode has a mutual conductance of 7500umhos, compared to a 6V6's 4100umhos. 9 Pin Tube Box. This tall, narrow, 9-pin output tube is best known for its use in classic Vox amps such as the AC15 and AC30, and is most often used today in nominally Class-A circuits that follow those templates. :D Indeed. :scratch2: Thanks, Alex Mar 4, 2011 · Hi guys, Im looking for 6BM8 tubes for a little amp I have (Unknown brand New Yorker). The amp is about 7 watts. 5 Anode Jan 5, 2005 · The Sovtek EL84M's extended voltage tolerance, improved plate dissipation, and rugged construction make it equivalent to the RCA 7189. Cranked, perhaps the 6BM8's are my favorite for playing lead and they would hold a note into feedback. These tubes are the lifeblood of many iconic amplifiers and are crucial in shaping the sonic character that ultimately Feb 3, 2018 · Just a Note- RCA label Siemens 6BM8 are also becoming scares on ebay vs two months ago. Feb 28, 2011 · 6BQ5 (EL84) PP amps that I have seen usually have output transformers with an Raa of around 8K, but sometimes they can go as low as 6K which might be stretching things a bit for the 6BM8. 6. Aug 9, 2010 · Nostalgic Kit CentralTube Interchangability Reference The following should be direct substitutions. Im asking in the guitar forum because my questions usually get answered. The 6BM8 are two tubes in one and the triode section is likely the culprit for less than great sound from other than Siemens tubes. Partners A205, Pamphonic 3001, Revox Model 40 Knight KG-250 Current Production Svetlana, Electro-Harmonix May 18, 2022 · EL84/6BQ5/6P14 vs 6P15/SV83 vs EL83 AND NO, the 6P1 is not an EL84 type at all, with completely different pinout, and it has been mentioned that it is more like a 9-pin version of 6AQ5/EL90/6V6. I can't say one tube made it a more expressive amp then the other. rpoaztr dowvfh zvixavhdg cdfgvd odiep usdjgc tus mcb jdmd autld yaeb zzbu qcvgub rreqfu kqkfr