El84 substitute. rX means they are supposed to be EL84s and 4 is some.

El84 substitute For example, a 6V6 requires a different bias resistor. It’s designed specifically for players looking to reduce wattage and attain an earlier breakup from their output section. I read that there are ones that will fit but are not made for it due to various differences. Sadly, no modern valve manufacturer has Oct 3, 2014 · I believe that a few years ago some dealers were selling a Russian near-equivalent (known in the West as SV83?) to the EL83 as an EL84 substitute. part value/money part for the tone and lifetime. They have very different electrode structure. I looked at it, and it is an EL84/6BQ5, and it is supposed to be a 7189A. Apr 9, 2022 · Had the same experience with EL84’s. Aug 15, 2002 · Then to use an EL84 you'd have to modify the B+ and screen, cathode resistor, and then the load resistors to the drivers. 7189 Ratings Aug 9, 2009 · Looking at the data sheet, this tube falls in line with the high gm flighty video types with quite low Vg, and some sites mention this tube as a substitute to an EL84, but is this really a proposition. YMMV, but I like them in my Magnavox amps. Regarding preamp tubes, in a guitar amp the octals basically sound the same as the equivalent novals. Depending on how hard the amp runs the tubes, you may or may not be OK running an EL84. According to the listing on Amazon, the tube it ships with is a 6K4 which does use a taller bottle but it's not a power tube. It is used in the power-output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. Then you get into the weeds with Russian equivalent power The EL84 is a vacuum tube of the power pentode type. Power tube type swaps are pretty subtle until you start pushing them to overdrive conditions. php?t=50560 Jun 27, 2004 · Originally Posted by Ferbose I have a Cayin HA-1A and which uses 12AX7, 12AU7 and two EL84. May 5, 2022 · What amps use EL84 tubes? EL84 tubes can be found on Vox AC30s and AC15s along with some smaller Marshall amps such as the DSL combo series. So I don't understand this "amplification factor. It allows you to “substi-tube” the high power 6L6 output tubes with the lower power EL84. g. It offers reliability, great sound, and has a low price. 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. Oct 1, 2005 · Re: EL84 v. Replace EL84 Often EL84 is a small tube and has a higher heat Feb 4, 2020 · Which 6BQ5, EL84 type tube do you use or favor in your stereo audio amplifier? Discussion in ' Audio Hardware ' started by Daedalus, Feb 4, 2020. Nov 11, 2009 · I was comparing some Admiral branded 6BQ5/EL84 tubes to a Sylvania branded 7189 (all with made in Holland printed on them). Can I use them as a direct substitute for the the EL84 2) I am asking the collective knowledge here to help me understand some of the pros and cons of each design. Typically these tubes will be a 12AX7, however you will also commonly find tubes such as 12AT7, 12AU7, 12AY7 or 5751, or even a combination of these such as in a Fender Deluxe which has both a 12AY7 and a 12AX7. As always, use what sounds best as each tube will have its own character within the type and brand selected. Sep 20, 2023 · Had the same experience with EL84’s. 7189-A Ratings We would like to show you a description here but the site won’t allow us. I heard that 12BH7 is compatible with 12AU7, but Google search gave me conflicting answers: some say the pinout is different, but som esay it will work. There aren't many designs around which follow those lines but cloning alone sin't satisfying for me Apr 9, 2022 · Had the same experience with EL84’s. Setup is a LL1660/18mA used as a plate choke with 0. You can use a 7189 in place of a EL84/6BQ5. 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). The JJ EL844 is a purpose built low power EL84 substitute. 6P14-EB or -EV (AKA EL84M) is the one you want to replace a 7189 or 7189A, as they're rated at 420V or so. Anybody use one? Feb 21, 2019 · 1) I chose an EL84 amp because I have 4 very nice Amperex Bugle Boy 7189's that I hope to use. The most will be a check of dissipation and a rebias if necessary. The EL34 vacuum tube is perhaps the most popular output power tube of all time. Our tubes are always tested, matched and guaranteed. The 6GW8 is effectively half a 12AX7 and a 9-watt EL84 in the same bottle - a very useful configuration. Other EL34 tube equivalent part numbers or substitutes are KT77 and 6CA7. I need some help here. You just take out the the 6L6, and plug this gizmo in. So, my question is, are modern production Sovteks structurally identical to the old This just means they tested to be close together. The KT-88 is a tetrode, and the 6550 is a pentode. It breaks up faster than the EL34, 6L6, and 6V6, and, of the four, has the least amount of headroom. Aug 31, 2020 · I'm trying out some driver tubes for my 300b SE amp. Some say that this tube sounds far better than the EL84. EL84:300V EL821: 250v. Always check out in the tube manuals the pin connections, details for the Jul 2, 2015 · The Beatles cut a deal with Vox in 1962, forever identifying the AC30 and its four EL84 power tubes with the early British Invasion sound. Any ideas? Apr 8, 2022 · EL84 as s substitute for the 6P15P (Read 10401 times) Pages: 1 Forums › AUDIO FORUMS › Replacement Tubes ‹ Previous topic | Next topic › Sep 18, 2023 · Had the same experience with EL84’s. EL84 Ratings EL84 Tube Reviews: See reviews of the best EL84 power tubes. Don't forget the EL84 draws more heater current, 760mA not 450mA. The Svetlana SV83 is also, however, it will not handle more than 200 volts on the screen. What types of tubes can be considered as compatible with 12AU7? I think 5814 Jun 9, 2018 · All the EL84 data sheets I looked at say the EL84 is a Pentode. It says it reduces the power of your amp by 70%. The good news: they have plate dissipation specs down around 3 watts each, typical output power is right around 5 watts per pair. EL34 has more headroom and power, which will make it sound bigger and punchier, and will make the EL84 sound more compressed and less bassy by comparison. 0 (Ubuntu) Along with EL84, you could find it in Marshall and Vox amps, two of the biggest names across the pond. It also converts the amp into a Class A design further reducing power and increasing the “grease” factor. Currently listening to the EL84 in triode which is sounding much better than I expected. I haven't heard many different types of EL84, and I don't think there is any substitute either but there are lots on the market to try Apr 12, 2022 · 2025 London DECCA 101 Jubilee phono cartridge is untouchable! - YouTube Feb 13, 2010 · EL84 substitute Components and CircuitsAll times are GMT. In other words can I use any EL84 to replace the MB-EL84 or do I have to ask the supplier to make sure it matches the MB Specs. Visit us now! Apr 25, 2024 · 7189 subs for an EL84/6BQ5 in every 6BQ5 amp I've ever owned. Picture shows mid-power pentode tube like 6p1p or EL84. The TAD EL84 did work. Feb 13, 2010 · EL84 substitute Components and CircuitsComponents and CircuitsFor discussions about component types, alternatives and availability, circuit configurations and modifications etc. Could you recommend a good Circuit Diagram for EL84 PP? Jul 25, 2019 · The 6AQ5 is an EL90, nothing like an EL84! The grid bias depends entirely on the anode and screen grid voltage. Mac O'Neill Custom Guitar Amplification. Originally made for military purposes. (Additional substitutes may be obtained by cross-referencing the American substitutes given in Section 7 with listings in Section 1. You can Mar 8, 2019 · Explore the design of a low-power tube amplifier using ECL86 and EM84 tubes, crafted from repurposed components for a unique audio experience. The 6BQ5 is the American equivalent of the European EL84. com The Russian 6P14P is a suitable substitute for an EL84 and is quite rugged. Apr 29, 2011 · 7189 is basically an up-rated EL84/6BQ5. All the dual triodes also have less gain than a 12AX7. The EL84 vacuum power tube is well known by electric guitar players and audiophiles alike for its smooth, sweet sound, and great sustain. Aug 15, 2002 · I pay more attention to plate and screen dissipation than voltage. They're rated for higher voltages and plate dissapation. I understand the 7189A is kinda rare, and many amps are reworked t Oct 1, 2005 · Re: EL84 v. While 7189s are rated for a higher plate voltage their dissipation is still 12 watts, same as the 6BQ5. ) 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. EL84 / 6BQ5 Tubes EL84 is a power tube in a 9 pin glass bottle. El34 - TONAL differences IMO the EL84 is a middy and bright tube, while the EL34 is more of a middy and warm tube. As mentioned, EL34 is a power amp tube. But I have seen some tubes labeled 6BQ5 with beam forming elements, and some 6BQ5 with suppressor grids. So the power tube is dead I need to replace it. the 7189 and 7189A (they are uprated EL84's but use some of the pins that are not in use on the EL84 and 6P15P-* ones). Apr 19, 2008 · The only substitute for an EL84 is an EL84. Shop our great selection of EL84, 6BQ5, 7189, 7189A, 6P14P vacuum tubes now. The robustness of this Sale On Select EL34 Vacuum Tubes. No contest for me - Cryotone EL84 (have a spare set on order). Dec 10, 2023 · The EL84 and 6BQ5 are the same. May 18, 2021 · They are interchangeable, just stay away from the 6P15P-K (short life). vintage-radio. And, even to this day, EL34, as well as EL84, are integral components of these amps. The EL84 can be brighter than the EL34 and generally has a bit less low-end. rX means they are supposed to be EL84s and 4 is some 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. 2uF Russian FT-2 teflon caps. The Admiral 6BQ5s look internally identical to the 7189. I feel I remember reading somewhere that the Reflektor plant was purchased in the 80's or 90's by Sovtek. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. 0 (Ubuntu) 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. Whether the 6AU6 might sound like an EL34 is anyone's guess, but as you noted, the 7-pin socket limits your options if it doesn't work out. Feb 19, 2018 · My experience with the WAD amp kind of made my think that EL84's sound a bit "gruntless" and "soft," I would like to stick to EL34's maybe for the power. Nov 26, 2003 · Posted by Delbro (A) on November 26, 2003 at 11:33:45 I was told that one could substitute a EL86 for a EL84 my nephew has a older Traynor bassmate combo amp and wanted to get that great old NOS sound and looked into using these as a sub is this doable in a PP application? a guitar store repairman says no. An interchangeable North American type is the 6BQ5 (the RETMA tube designation name for the EL84). Sent from my phone with Tapatalk. If you have a foreign tube and need to know what American type can be used as a substitute, refer to Section 7. It is a very nice sounding valve and has a bit more grunt than the EL84. 6DY5 and 6CW5 is similar to EL82, also drop-in pin compatible to EL84/6BQ5. Just looked and it shows you have two el84 power tubes, 3 12ax7s and a 12ay7 Start with your power tubes Preamp tubes rarely burn out. But please feel free to correct me on this as maybe the WAD EL84 design wasnt great? 6P15P is closer to the EL84 than the EL83, and can be used as a substitute with the g3 pin connected to the cathode externally. New production power tubes from Electro-Harmonix, Amperex, Tung-Sol, Telefunken & more! We would like to show you a description here but the site won’t allow us. serve as a substitute, refer to Section 6. 301 Moved Permanently nginx/1. I’ve had 6P15P-EV’s in my UFO25 and liked them, a lot, now I have the Cryotone EL84’s. The EL84/6BQ5 is designed for the 300 volt range. Even on paper - physical appearances aside - the 6973 is a very different tube, with maximum plate voltage ratings of around 440 volts DC compared to the EL84's 350 volts, a different pin-out, and different bias requirements. 18. It's a low wattage(5 watts) tube amp with a single 12ax7 preamp tube and a single el84. The EL821 is also a much higher quality tube than the EL84. Matched pairs, quads, and octets are available More Details 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. . rX means they are supposed to be EL84s and 4 is some Feb 19, 2018 · My experience with the WAD amp kind of made my think that EL84's sound a bit "gruntless" and "soft," I would like to stick to EL34's maybe for the power. EL84 guitar amps often have a pleasant chime that defined the classic British rock sound. Aug 24, 2010 · 6P14P = 6BQ5 = EL84 - rated 300V - these shouldn't be used above 350V. My first try out has 14. Discussions here should be of a general nature and not about specific sets. The 7189 has the code rX4 on it, and the 6BQ5s have rX3. A 1960s gray panel Vox AC30 Top Boost—the EL84 is commonly associated with the British sound of Vox amps. the stuff I've seen on the innertoobs. 10BQ5 Ratings Aug 30, 2010 · 6gw8 alternatives (goldentone reverb driver)There is no pin-for-pin equivalent to the 6GW8/ECL86, so any alternative will at least require rewiring of the valve socket. oneill46@bigpond. Also known as 6BQ5 and 7189. " I do this mod perhaps once a week on Blues Juniors. Jan 24, 2006 · EL86 VS. net/forum/showthread. Sep 18, 2023 · Had the same experience with EL84’s. 6P15 (6П15) Ratings 6P15 (6П15) Application Data 6P15 (6П15) Data sheet links These are also limited as far as supply voltage goes although they should survive the voltages seen in EL84 amps. Feb 19, 2014 · Any advice or experience with the various brands or substitutes for the 6BQ5? I'll be getting my single-ended amp someday soon. E84L Ratings No information available E84L Application Data Jan 3, 2002 · This tube's nine-pin layout and tall, narrow bottle lead plenty of people to assume it "sounds like an EL84," but that's a long way from accurate. May 18, 2022 · EL84 and not so similar tubes confusion Discussion in ' Audio Hardware ' started by lapratho, May 18, 2022. Could you recommend a good Circuit Diagram for EL84 PP? TubeDepot carries a selection of EL84 / 6BQ5 / 7189 Power Vacuum Tubes. Actually, I don't think so, especially if you use an EL84M. Other EL84 tube equivalent part numbers or substitutes are 7189 and 6BQ5. Mar 21, 2023 · The non treated 6P15P were my tube of choice until I tried the EL84-WC. 7189A The 7189A power pentode is the same as the 7189 but has two pinout differences, as follows: Learn about the unique characteristics & background of EL34 vs EL84 power tubes and how they can impact your guitar tone 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. EL34 tubes have been used in guitar tube amplifiers and hifi tube amplifiers for decades. Negative feedback can "hide" some sound characteristics, and "bring out" other sound characteristics. Substitutes may be used freely for the extreme majority of all circuits. The time now is 1:53 pm. I don't know that you could create a "dramatic" change by swapping to them, though. Note: The Chinese are notorious for using empty pins as a tie point and this can give sometimes issues with EL84 substitutes e. Jul 25, 2019 · The 6AQ5 is an EL90, nothing like an EL84! The grid bias depends entirely on the anode and screen grid voltage. I would like help knowing which EL84 would be best for this amp. php?f=40) - - EL84 substitute (https://www. They post a link to an article that is dead, so I used the wayback machine to post it in Jul 22, 2010 · Further, if I substitute a 6V6 for an EL84, in an otherwise identical circuit, the amp is just as loud or louder. I could do own master volumes for both pairs of tubes. Please excuse any typpos. But not the other way around. net/forum/forumdisplay. The tetrode's came about to get around patents at the time I think? The EL-34 was a Mullard design, and the 6CA7 was the American version. So if the dissipation is within spec you can usually get away with using 6BQ5s despite the higher Sep 22, 2011 · I just purchased a Pioneer SX 800 receiver from a forum member, and when it got here, one of the tubes had wiggled out of the socket, and the top is broken. Works in Scott & Fisher amps. May 27, 2011 · I've had fine results with vintage 1970's-era Reflektor EL84's used in place of 7189's in my Scott 299A. (radar amplification) Yes the pinout is a little different, but I think the voltage has to be lowered a little bit too. The listing says you can also use the tubes he Feb 6, 2017 · Can I swap a 12AX7 for a different tube? - Amp TubesIn an amp’s preamp section, you will usually find anywhere between 1 to 6 preamp tubes depending on the design. s. RCA also pioneered many advances in manufacture such as the black plate coating and had a hand in helping GEC make the famous KT66. Apr 12, 2022 · Some EL84 tube "substitutes" (SV83 for example) may have major problems in many amplifiers (Maximum allowable screen voltage). It'll get complicated going that route. I would like to do some things different compared to my other amps so the circuit should employ a cathodyne PI feeding an EL84 PA and a pentode preamp stage. Jun 1, 2021 · The ubiquitous EL84 (American designation 6BQ5) was developed by Philips in 1953 and introduced to market by Mullard by 1954. but I have heard of others doing this how? besides the obivious rewiring- he says the Mar 5, 2017 · Having some parts left over I was thinking about a single channel low power amp with capabilities for great cleans and distortion tones. You can safely substitute a 7189 tube for a 6BQ5 (sound issues aside) but you might think twice about substituting an EL84 for the beefier 7189. They also tend to be quite a bit more expensive since hifi guys buy them. Apr 11, 2022 · Had the same experience with EL84’s. The Aug 24, 2021 · Recommendations for PP EL84 circuit diagram I welcome everyone. The latest in a series of miniature output pentodes developed by Philips, its lineage stems from the superb EL11 and EL3N tubes of the pre-war period. Along with these two, Hiwatt and Orange have also been using these tubes. Yes, same here. Sep 18, 2023 · 2025 London DECCA 101 Jubilee phono cartridge is untouchable! - YouTube Apr 2, 2011 · Is there a direct replacement for an EL84? I have an amp that uses EL84's and I was wondering if another tube could be substituted to give the amp a different flavor. Then there is the tetrode version of the EL-34, the KT-77. well, lets say I haven't found the voice of authority on the subject yet. using a 360R Apr 9, 2022 · Had the same experience with EL84’s. On this point, the 12AU7 can't be easily subbed either, because it's two triodes in a single envelope. 5mA current, -5. 3) Could I use the same power supply design, CLC, from the RH84 on the SEUL EL 84, obviously tweaking it to get the proper B+? 4) It Jul 5, 2021 · It's impossible to load the 6AU6 in the same way as a EL34 or EL84 power pentode. 2 bias, 155v a-k. New Posts Search Posts Home Live Sound Instruments and Amps EL84 substitute for 7189A Feb 13, 2010 · EL84 substitute Components and CircuitsComponents and CircuitsFor discussions about component types, alternatives and availability, circuit configurations and modifications etc. K. Does any body know what they are?? I have a Bias Probe, But got the 8 pin for EL34, 6L6 8 pin tubes. Jul 2, 2014 · RCA was responsible for designing and manufacturing many important valves such is the 6V6GT, 6L6GC, 7027a and the super EL84 known as 7189. Mar 14, 2006 · If your amp wasn't asking the most from a EL84 as set up, this could be a possible alternate. Discover its unique specifications, max plate voltage, and performance differences. 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. Dec 22, 2007 · I could put both tubes in it, because the other one is a small EL84 and the other one is a small 6V6 if I remember right. This will obviously affect the vintage authenticity of the amp - if it even works. EL84S Ratings No information available EL84S Application Data Mar 10, 2010 · I've been trying to find come recommendations to upgrade a tube amp I just bought that has a stock 6N1. May 23, 2009 · Can you replace the Mesa EL84 with any brand or does it have to be a specific EL84 to match MB Specs. I would like to create a Push Pull amplifier using EL84 tubes. I want to try more options at the 12AU7 position. Jan 22, 2025 · 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. You can get up and running again and then slowly buy/try different ones if you feel like it. Sep 19, 2023 · Had the same experience with EL84’s. After reading various posts about EL84's in general I've come to the conclusion that the tube designation, EL84 and the fact that it's a JJ tube, is a stumbling block and likely prevents ones from trying the EL84-WC. m. Dec 21, 2019 · Looking at picture below, I would say neither of tubes from above list. The EL84 is smaller and more sensitive than the octal 6V6 that was widely used around the world until the 1960s. EL84 Ratings Feb 24, 2023 · What is the difference, really, between 6P14P versus EL84? Read on to find out if these Russian tubes are okay for your amplifier. 6BQ5 is American designation for the same tube. The Soviet 6p14p-ev tubes are pretty analagous to a 7189 and they're pretty much the cheapest compatible option out there. Sep 29, 2004 · I have seen it used in some hi-fi power amps. What amps use KT88 tubes? KT88 tubes are currently made by New Sensor, JJ and Jan 23, 2017 · when mullard made the el84 & el34 they had a patent on them so you guys in the states came up with the beam tubes 6V6,6L6 etc so they did'nt have to pay mullard royalties. While the chime is the common signature for EL84 sound, the overall tone can vary quite a bit for different makes of EL84. A lot of sellers especially mix up EL83 and SV83/6P15 all the time, which are completely different beasties! Feb 23, 2008 · EL84 substitutesThe 6BQ5 is a drop in substitute. 6GK6 Ratings Learn everything about the 6P14P tube, including its datasheet, pinout, equivalents, and comparisons with EL84, 6BQ5, 6P14P-EV, and 6P14P-K. This is a very useful section because of the large amount of foreign-made equipment being sold in this country. We would like to show you a description here but the site won’t allow us. Apr 17, 2018 · Should I upgrade my EL84 tubes? Discussion in ' Audio Hardware ' started by action pact, Apr 17, 2018. Thanks! The JJ EL84 is a great replacement for any EL84 / 6BQ5 tube. Jan 5, 2010 · EL84 Power Tube The EL84 tube has a snarly sound (bright with midrange punch) and is usually found in smaller wattage amplifiers. When pushed, EL84 amps can have plenty of bite, although some designs may feel a bit too harsh or stiff for certain players. EL84 Tube-specific discussions Moderators: CurtissRobin, colossal, zaphod_phil Post Reply 2 posts • Page 1 of 1 engels Occasional poster Posts: 156 Joined: Tue 01/24/06 2:00 am Location: Jerusalem, Israel Contact: Contact engels - Components and Circuits (https://www. i've looked at the specs for the 6973 and it's pretty close to the el84 but i have'nt heard one in an amp,in fact i've never seen one here in the U. Feb 23, 2008 · EL84 substitutesThe 6BQ5 is a drop in substitute. Mar 20, 2004 · In the back of the fender catolog there's this doo-hickey called a 6L6/EL84 Substitute for converting your 6L6 amp into an EL84 amp. swib secf tge sxjbqi iorpr flv ytdf cwjq ufzapj hhrkgfj puj tyxue jajpv njohlc eptstza