TAD RT-EF86 Tube EF86; 6267, Tube EF86; 6267, The small pentode, selected according to "low noise", is used in many hi-fi preamps and also, based on the historical AC-15 circuit, in some newer guitar amps, Even in. You can substitute an EF86 preamp tubes for one of the 18-watt's 12AX7/ECC83 tubes. Photo is of a sample from the lot. THIS KIND OF DC VOLTAGE IS VERY DANGEROUS AND CAN KILL YOU IF YOU DON'T EXERCISE PROPER CAUTION. Only 4 Telefunken EL84 single pieces available. Because of the high headroom of the EF86 preamp tube, this channel responds particularly well to pedals. Since 2 power tubes put out half the current of 4 tubes we need to double the speaker impedance so 2 tubes feel the same load as when 4 tubes are used. 6267=EF86 Telefunken West Germany (very clear, accurate, detailed, long life EF86 with very low noise) The Neumann U67 Tube Microphone and VOX AC15 Amp is just one application for these tubes. EF86 / 6267. $5,700 + $90 Shipping. It was introduced in the late 1950s and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. Call now! 516-314-0357. The driver EL84 is loaded with 18K on the anode, and biased with 470R cathode resistor bypassed by 220uf Nichicon cap, and triode strapped. They appear with different names on them such as Raytheon, Westinghouse, Radio Shack, etc. Or, if you are thinking of a new amp, look at my Custom Amp Estimate page to get an idea of what a custom amp from me could cost. So far I have it running at about 30vdc on the plate and screen. EF86 EF806S 6CF8 6267 Philips Miniwatt Holland Tested Strong HiFi Vacuum Tube - $55. Siemens labelled a lot of Valvo/Philips and Telefunken with their logo. Please see the substitutes at the top of the page for more details. The Svetlana EF86 is. With tube amps, even when the AC power is not applied there is still danger. NOS Dario Miniwatt EF86's are back. The EF86 pentode. Feel free to contact me. All tubes new in individual box. Don't use test settings for EF86 to test your EL84 tubes. These EF86s are vastly superior to the modern JJ & Electro Harmonix EF86. The TC15 is a two channel TC15 hand-made 15 watt amp with two VOX derived channels. EF86: pdf Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Based on August 1955 UK Mullard 3-3 circuit design using EL84, EF86 and EZ81 vacuum tubes. I actually replaced the fuse with a 1 1/2 A (its all I had last night) and then put back the EF86 and one of the power tubes lit up and a bad hum came out of it so I killed the power right away. For this reason, the tube works ideally with the following types of products: Radios: Vintage radios that produce amplified effects with low tones will fit well with the ef86 vintage tube. Electro-Harmonix has found a way to keep the noise and microphonics down in this reiteration. Mullard 3-3 is a quite popular 3W electron tube amplifier introduced by Mullard Ltd in 1955. Free discussion forums, open to all and frequented by industry experts. The Mullard EF86 (mesh plate) tube is a premium EF86 and well suited for amps such as Dr. The EF86 channel is known for it's incredible clarity and balance across the fingerboard. It has plenty of gain, but it sounds soo much more smooth and dynamic with so much lower noise floor. EF86 / 6267 / EF806S / Z729 Audio Pentode intended for use in preamplifiers, guitar amplifiers and hi-fi output amplifiers. Vacuum tubes Guitar e8f6 tubes Electronics stubs. EH EL84 (6BQ5/6P14) Vacuum Tube. There is a lot of precision hardware that is carefully aligned to prevent physical damage or electrical failure. Add to Cart. The setup values was from Philips Data Sheet (Vp=250V; Vg2=140V; Vg1=-2V). I really need to try some EF86's for comparison as well. 04 3 3 1956. A schematic and the design details of this amplifier are available in "Mullard Circuits for Audio Amplifiers" [book] and in the National Valve Museum []. Various brands available. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. It is also a crisper sounding tube. Early 1960s production from the Hammersmith, UK factory, with the very fine mesh plate construction. Every tube we stock is listed here and this page is long, JUST. EF86 Author: Tesla Subject: JHl-VC-FP-2012-05-12 Created Date: 5/12/2012 1:20:08 PM. Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM USA Central Time. The EF86 is the standard early stage audio pre-amplifier valve. EF86 EH tubes - now on closeout! Just $16. EH-EF86 offered from PCB Electronics Supply Chain shipps same day. 00 Buy Now; EF86-MAZDA RU Mazda These Mazda EF86 date from the early 1980’s and are of Russian origin as they are all have the distinctive pimple style In stock £18. Of course, lamps voltages and current were changed: 150v/1. Fifty years later, the magic returns. Re: Tube Dampers for EF86 Post by butwhatif » Tue Feb 03, 2009 3:27 am You can also take an 1-1/4" piece of heat shrink tube, dia larger than the dia of the tube, and shrink it onto the top 1/2 of the tube. Another demonstration of the lack of importance of the brand stamped on the valve. The EF86 is a high transconductance sharp cutoff pentode vacuum tube with Noval (B9A) base for audio-frequency applications. Triode mode, grids 2 and 3 at plate. Channel 1 is the EF86 Preamp channel - It features two inputs wired in the traditional way that gives them a 6dB gain difference between them. This is taken as 100 %. This is a suitable replacement for any EF86 tube type. 00 + vat Incl. EF86 page sheet date 1 1 1956. Older Tesla production EF86, made in Czechoslovakia. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand. RFT EF86 / 6267. Unlike the majority of pentodes of this type, the EF86 possesses low distortion, low hum induction and low ionization noise. The EF86 is a small pentode commonly used in preamp stages. This is a must for those who have an amp that splits the duty for reverb and another effect because this tube sounds incredible. TAD RT-EF86 Tube EF86; 6267, Tube EF86; 6267, The small pentode, selected according to "low noise", is used in many hi-fi preamps and also, based on the historical AC-15 circuit, in some newer guitar amps, Even in. THIS KIND OF DC VOLTAGE IS VERY DANGEROUS AND CAN KILL YOU IF YOU DON'T EXERCISE PROPER CAUTION. Check out MatchlessTV for videos and the online shop. It was introduced in the late 1950s and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. It is a 9-pin pentode often used in microphones and in some amplifier designs can also be used on pre-amplifying stages. The JJ EF806 can be used in any EF86 circuit including microphones and amplifiers. OPERATING MANUALS & TUBE CHARTS. The Jet Harris Memorial Fund. I replaced the driver tube (EF86) with an EL84 for driver. The TMB channel features a preamp somewhat similar to a Plexi50 or Plexi100, but with special care in matching it's voice to the unique EL84/EZ81. The EF86 / 6267 Vacuum tube is a miniature type low noise, low microphonic pentode used in the early stages of high gain amplifiers. sch (Sheet: 1/1) EF86 70257025 47k 4k7 390 100 1M GND GND 10uF 3k3 1k 1M 82k GND 0. All triode mode stock parameteres taken from www. We wouldn’t argue that point. e-mail: [email protected] Just stumbled across this old thread. Older tubes from Telefunken and Amperex used to flash metal directly onto the base of. The Electro-Harmonix EF86 Preamp Tube (also known as the 6267) is an audio pentode preamplifier tube. 16 greyscales, 600x789 resolution (or slightly less), 50k-120k file size These look great on my monitor. The 5U4 Tube. This is a suitable replacement for any 6BK8 / EF83 tube type. One thing I like doing is put a 12AT7 tube in V1 position in SOME amps. If you have a microphonic ef86 from the get go, dampening is not going to help. VOL TAG E AMPLIFYING PENTODE Low noise pentode intended for use as R. On the internet I also found a schematic of a starved plate EF86 boost/overdrive. EF86 Telefunken 20-063 quantity. The EF86 also has an internal shield structure that is physically tied to pins 2 and 7. Well they have pulled through again! Its quieter than most of our NOS EF86's. Tube and Bias Info. hanging) contributes to issues with EF86s?. Produced in Great Britain, O-Getter Plate, Mesh 14mm Gray Shiny Nichelplate. A 6AU6 version of the board is also available but does not support 6922, 6DJ8, 7308, or 6CG7. This exhibit was made by Mullard who designed the EF86. EH-EF86, Vacuum Tubes, EF86/6267 PREAMP TB. The TungSol EF806SG is a super premium EF86/6267 tube based on the wildly expensive Telefunken EF806S. $100 Like New In White box. Price is for a Single Tube. The Jet Harris Memorial Fund. Colin - check out my ebay auction for 3 telefunken ef806s (special low noise versions. I have never seen EF86 tubes from Siemens production. Buyers need to buy it for themselves. Add to Cart. In fact, I wonder if tube orientation (standing up vs. 00 Buy Now. It’s not a direct swap—the EF86 is a pentode, not a triode, so it requires a different socket and different wiring. Don't assume they're correct for your tester 3: Hickok 600 test setup for 6267 (EF86) tubes - anyone? (10. Click to read more: T-6MJ6. DIY Tube Microphone 11. e-mail: [email protected] 00 $ Made in USSR. Valvo E80F EF86 Valve Tube NOS quantity. Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM USA Central Time. Older tubes from Telefunken and Amperex used to flash metal directly onto the base of the tube between pins 2 and 7. Inspired by the V72 modules originally built for the German Radio Network, the Weight Tank WT-72 Microphone/Line Preamp offers 56 dB of gain, which can be driven by a microphone or line level source. New old stock. Electro-Harmonix tubes are all new designs and are of excellent quality. 01 4 4 1970. Vacuum Tube - 6267 / EF86, Amperex Bugle Boy, Pentode, Sharp Cut-Off. Item# EF86. 100% Upvoted. Z729 / 6267/ EF86 Genalex Gold Lion series, with GEC, Marconi or Emitron label, Great Britain made. This is the industrial version of the 12AX7. The '86 has more gain than one half of a 12AX7, but the 'AX7 can get more gain with the 2 halves in series, which is usually (but not always) how they are wired. Tubes have been there since the beginning, and their unmatched sound quality and characteristics have kept tube-based amps at the top of the music scene right up to today. Unlike the majority of pentodes of this type, the EF86 possesses low distortion, low hum induction and low ionization noise. HEATER Suitable for series or parallel operation. Figure 1 shows several push-pull tube amplifiers (only the power tubes and the output transformer's primary winding). 47uF 630V 10R 5W 10R 5W 0. thank you! Product Description 100% Brand New and High Quality Note: This item it assembled board, But not contain 2pcs tubes. It can therefore be driven to maximum power at far lower volume levels. All tubes are brand new taken from the surplus inventory. This exhibit was made by Mullard who designed the EF86. Z Route 66. We wouldn’t argue that point. Electro-Harmonix 12AX7. The de Lisle Eighty-Sixed is a tube preamp born of our unique amplifier designs. Replaces any EF86/6267 tubes. It is typically used as a preamp in audio equipment and instrument amplifiers. DIY Tube Microphone 11. Radio tubes are valves. 1-16 of 46 results for "ef86 tube" Skip to main search results Brand New In Box Gain Tested Electro-Harmonix EF86 / 6267 Vacuum Tube. This tube last forever. I was Everclearfan86 (I know, I know) for the longest time until I changed my channel name and went largely inactive for a few years in order to go to colleg. Although used in circuits such as tape recorder input stages and instrument amplifiers, microphony can be a problem, even when mounted in a vibration-reducing valve holder. A preamp tube famously used in 1950s preamp circuits by Vox. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. JUMP DIRECTLY TO THE TOP OF THE MAIN TUBE LIST. All of the other tubes here are of the 3 mica spacer design with short wide plates. To make things easier to find, I've listed all the equivalents from the header, so some files will be duplicated. Yes, there are strong similarities in their construct, but there are also meaningful differences that contribute to the RFT EF86's superior performance. The EF86 also has an internal shield structure that is physically tied to pins 2 and 7. This arrangement allows the true character of the pentode to be heard, since it can be driven by a larger signal than those produced by guitar pickups. Electro-Harmonix 12AX7. EF83 (6BK8) is pin compatible to EF86, however, it is a vari-mu tube. for Gm matched pairs. Together, they provide the microphone with its extraordinary warmth, intimacy, and vintage-like sound. ef86 Telefunken. OPERATING MANUALS & TUBE CHARTS. You can substitute an EF86 preamp tubes for one of the 18-watt’s 12AX7/ECC83 tubes. FAX only PLEASE: 847-963-1568 (no voice on this number), FAX your order 24 hours a day, 7 days a week. Call now! 516-314-0357. It was introduced in the late 1950s and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. You will find thousands of tubes or valves with interesting links. twin triod, 12AX7, 12AU7, 12AT7, 12AY7, ECC81, ECC82, ECC83, ECC85, ECC88, ECC802S, ECC803S, EF86, EF80, preamp tubes. EF86 / 6267 TAD Premium Selected The New Vintage Pentode!   This pentode is selected for low-noise and low microphonics and is used in many (european) hi-fi preamps. One unique thing I did here was to run the thing off of a 12V DC "wall-wart" power supply, and use a DC-DC converter to generate the B+. If you have a microphonic ef86 from the get go, dampening is not going to help. ef86 Telefunken. 0 When you want to customize your tube amplifier's voice, the preamp is the place to start. "6BK8" is primarily an Australian type, and I would agree with others in that I thought it is an EF83. If you buy a good one, they may extend it's life. The problem is that all spice model avaible on the net have only 4 connections like in this one *Vacuum Tube Tetrode EF86. 00 A pair of Mullard EF86 pentodes, solid plate, matching codes, AVO tested with very good closley matched results. 00 /pairPayable by Cash, EMT, Paypal +4%The EF86 is a high gain pentode designed to amplify low-level audio signals. All of the other tubes here are of the 3 mica spacer design with short wide plates. This arrangement allows the true character of the pentode to be heard, since it can be driven by a larger signal than those produced by guitar pickups. One is sweet and one is tough. save hide report. On the internet I also found a schematic of a starved plate EF86 boost/overdrive. 100% Upvoted. マンシニレザーグッズ メンズ スーツケース バッグ Vanizia Laptop Litigator Briefcase with RFID Brown. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. The kit is supplied with two EF86 tubes, a 6922 tube and a 12AU7 tube for the regulator. If you have a Vox or another amp that uses the EF86 tube for vintage sound, take a look at this. epoxy selection guide. Sticked Threads From General. This is the very rare Genalex Gold Lion version of this audiophile tube. Tube has fine mesh plate construction. Tube Conversion Adapter 6SJ7 Octal 8 Pin Bottom To EF86 9 Pin Top. Tube vibration dampers + spring suspended sockets *may* help. The well-known EF86 tube is notoriously microphonic. sch (Sheet: 1/1) EF86 70257025 47k 4k7 390 100 1M GND GND 10uF 3k3 1k 1M 82k GND 0. 0 comments. There is a lot of precision hardware that is carefully aligned to prevent physical damage or electrical failure. ef86 Telefunken. Tube 6267 or Röhre 6267 ID6027, Vacuum Pentode, Noval, B9A and Audio Frequency shown. The good news is that JJ Electronic makes the EF806S which is brand new, fully tested by us, and has a 120 day warranty. Another demonstration of the lack of importance of the brand stamped on the valve.   Because of the high headroom of the EF86 preamp tube, this channel responds particularly well to pedals. These tubes have been cryo treated, given a 24 hour burn-in and then carefully checked for noise and microphonics. An EF86 was famously used as the input stage for the early Vox AC30s, but it acheived such high gain (about 200) and was used in such a sensitive position that microphonincs was a major problem. The 12AX7 is a dual triode valve (tube), the EF86 is a pentode. Add to Cart. ef86 Disclaimer Submit a tube. Fifty years later, the magic returns. Audio Research D-90 Ultimo Tube Set Genalex Kt88+goldpin Preamp. Does anyone have the proper setting for test in this tube tester? Top. Similar mesh plates to Mullard/Amperex. Tube and Bias Info. Vox used'em, and so did Matchless and Dr. 01 2 2 1970. Brand on Tube: GEC : Country: Great Britain : Bottle Height: Short : Tip Shape: Pinched Tip : Bottle. 707 Posts - See Instagram photos and videos from ‘ef86’ hashtag. Matchless also builds boutique pedals like the Hotbox. 3 200 v mA MOUNTING POSITION Any. I make no guarantees. This arrangement allows the true character of the pentode to be heard, since it can be driven by a larger signal than those produced by guitar pickups. and all these tubes are highly regarded in microphone use. 04 4 4 1956. The Electro Harmonix EF86 / 6267 EH Preamp Vacuum Tube is a great sounding & cost effective replacement for any EF86 / 6267. Telefunken EF86. LTSpice and vacuum tube models - last updated 11/11/07 17:12:08 Here's a step by step for using the generic triode model with LTSpice. MBLE was Philips Plant in Belgium. All triode mode stock parameteres taken from www. Many specimens simply couldn't handle the speaker vibrations, so it was replaced with a trusty ECC83 in later models. The driver EL84 is loaded with 18K on the anode, and biased with 470R cathode resistor bypassed by 220uf Nichicon cap, and triode strapped. Original Telefunken boxes. This is a suitable replacement for any 6BK8 / EF83 tube type. 707 Posts - See Instagram photos and videos from ‘ef86’ hashtag. Tube type and description: Price each: 6267. The 18W TMB EF86 replaces the “Normal” channel with the EF86 channel seen in famous British guitar amplifiers. It was introduced in the late 1950s, about ten years after the 12AX7, and was used in many hi-fi designs of that era, as well as in the Vox AC30, the famous REDD 47 microphone preamp, and some Hammond organs. 1 X EF86 / 6CF8 / 6Æ32Ï / 6267 / 6BK8 / Z729 / 6F22 / CV2901 RFT-RWN TUBE 1970s. Another demonstration of the lack of importance of the brand stamped on the valve. Novar type beam power tube used as a horizontal-deflection amplifier in color and black-and-white television. Preamp tubes NOS and like new - the best of the best!. I was Everclearfan86 (I know, I know) for the longest time until I changed my channel name and went largely inactive for a few years in order to go to colleg. RFT EF86 / 6267. New Power Tubes. This is a must for those who have an amp that splits the duty for reverb and another effect because this tube sounds incredible. Read more at the EF86 vacuum tube page. With the wide variety of tubes that are in use there are many. Amperex Bugle Boy, Pentode, Sharp Cut-Off. 5 Watts, SET, class-A] 300B - directly heated power triode. EF86 / 6267 / EF806S / Z729 Audio Pentode intended for use in preamplifiers, guitar amplifiers and hi-fi output amplifiers. Photo is of a sample from the lot. EF86 is the European designation. EF86 Preamp Tubes - Shop with AmpTubes and get 5% off your first order. 6J32P / 6Zh32P / EF86 / 6267 tube tubes store. There are some scratches and minor rusting, require a good cleaning. The EF86 channel is known for it’s incredible clarity and balance across the fingerboard. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. References: Datasheet & 1040. thank you! Product Description 100% Brand New and High Quality Note: This item it assembled board, But not contain 2pcs tubes. Add to cart. Transformer Case YX-1310 Silver Full Alu. The Tube Store had them on sale last year so I bought 2 as "safety stock" so I could keep the amp sounding like Doc intended. This is a suitable replacement for any 6BK8 / EF83 tube type. The tube is labeled for other companies, but the code for Mazda's factory in Bruxelles is etched in the glass. This PCB allows you to build an EF86 pentode stage with gain control and ValveWizard signature morph control (discussed in my book, section 2. The amplifier uses three vacuum tubes: an EF86, an EL84 and an EZ80. It was introduced in the late 1950s and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. The 12AX7 is a dual triode valve (tube), the EF86 is a pentode. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. If the EF86 were perfectly linear (We're sure glad it isn't!), the curves would be straight lines. EF86 / 6267 was introduced in 1955 and has noval B9A base. I replaced the driver tube (EF86) with an EL84 for driver. It has plenty of gain, but it sounds soo much more smooth and dynamic with so much lower noise floor. A schematic and the design details of this amplifier are available in "Mullard Circuits for Audio Amplifiers" [book] and in the National Valve Museum []. Call now! 516-314-0357. Or, if you are thinking of a new amp, look at my Custom Amp Estimate page to get an idea of what a custom amp from me could cost. However, in our designs we take a page from Rupert Neve and Bill Putnam by using a 2 stage tube circuit. Click here to buy complete sets of tubes for your Z amps from The Tube Store. The TMB channel features a preamp somewhat similar to a Plexi50 or Plexi100, but with special care in matching it's voice to the unique EL84/EZ81. All tubes new in individual box. Click on "vacuum tubes" on the left, then click on "6000 to 397022", THEN go to page 5 and you'll find affordable Philips 6267/EF86 tubes. EF86 voltage amplifier, particularly in the early stages of high-gain audio amplifiers, microphone pre-omplifiers ond mognetic tape recorders. By the operating manual of the tester the minimum value of the MC (Mutual Conductance) of the NEW EF86 (6267,6BK8) vacuum tube is : 1. Klausmobile Tube Tester Files. Electro Harmonix deigned the EF86 /6267 tubes as a great sounding but yet cost-effective solution when replacing tubes. No diamond on base of tube. Replaces any EF86/6267 tubes. EF86 - Power Pentode Tube, Filetype: PDF. I also have the NOS Sovteks for a lot less. EF86 EF806s 6CF8 6267 Philips Miniwatt Holland Tested Strong HiFi Amp Preamp Vacuum Tube All of the tubes were tested on a calibrated Sencore TC-162 tester, one of the best for detecting Shorts and Leaksand also tubes were checked on a calibrated Britain AVO MARKIII tube tester,one of the best for emission. 0 comments. So far I have it running at about 30vdc on the plate and screen. 1957 EF86 ] PHILIPS 7R05731 â ". Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM USA Central Time. Use keywords to find the product you are looking for. Electro-Harmonix has found a way to keep the noise and microphonics down in this reiteration. Vintage Tube Services was the first to provide properly selected & prepared Vintage tubes for Hi-Fi, musical instruments & studios, that tradition continues with ongoing, hard work, in research & development. The good news is that JJ Electronic makes the EF806S which is brand new, fully tested by us, and has a 120 day warranty. 4mA for EF86, and 70v/17mA for the 6N6P. Please see all pictures for actual details. this tube appears to be electrically similar to the 5879. You even can look up radio models with a certain tube line up. make offer - telefunken ef86 pair of old stock boxed tested nos vintage german tubes valves Platinum matched pair EF86 6267 Telefunken Low Noise Audio tubes W. Electro-Harmonix 12AX7. CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. If an amp has a push-pull output it pretty much needs a phase inverter to operate whether there is a EF86 type of tube up front. Vox used'em, and so did Matchless and Dr. In most cases the tubes manufactured to the European system have an exact equivalent tube in the American system and vice versa. Black Cat Series Operating Manual Black Cat 30R Tube Chart. Cheap Amplifier, Buy Quality Consumer Electronics Directly from China Suppliers:10 PCS Chassis Mount 9pin Ceramic Vacuum Tube Socket Base FOR 12AX7 EF86 6922 EL84 6DJ8 12AU7 12AT7 Hifi Audio Guitar Tube AMP Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Z Route 66. Choose from names like RCA, Mullard, GE, Philips, Amperex, SED (Svetlana Electron Devices), Sovtek, JJ, Tung Sol (NOS and Reissue) and Electro Harmonix. Electro Harmonix Gold 12AY7/6072. This pentode features a robust construction with the internal shielding used in the original tubes. One thing I like doing is put a 12AT7 tube in V1 position in SOME amps. The great EF86 Shootout! Discussion in 'Ampage Area' started by Synchro, Aug 7, 2014. Tube tests as new with very low noise. There is finally a new production EF86 and a great audio pentode for many different applications. 6J8 two-channel preamplifier. Close manufacturing specification tolerances and improved processing provide improved reliability and superior sonic performance. It is designed for voltage amplification, not power production, and thus has a relatively low plate dissipation limit. Home > Tubes > TAD > TAD EF86 / 6267. Svetlana EF86 High-Performance Audio Small-Signal Pentode he Svetlana EF86 is a glass envelope miniature pentode intended for high-quality audio preamplifier service. 00 Sale price $0. Any suggestion for a driver tube? I have these tubes on my parts bin: EL84, 6sn7, 12sn7, 6j5, 12sl7, 12au7, 12b4a, 6688, 56. Handy adapter if you like to try different pentode tubes in your old guitar amp. What’s New in Version 2? With over a decade of experience in building, repairing, and providing technical support for the Eros, we have dealt with the conundrum of having an excellent sounding kit that we didn’t want to change but that was a bit. The output transformer is highly praised Acrosound TO-330. 7025 * * * * The 7025 has a higher gain than a 12AX7 tube. Replaces any EF86/6267 tubes. These have solid, gray plates with one hole in them. 01 4 4 1970. The EF86 type was introduced in 1955 as low hum and low noise type. Add to basket. New formula on 4/15/2015! (Closer to reality, I think. Premium driver tube for Hi-fi tube amps. VOL TAG E AMPLIFYING PENTODE Low noise pentode intended for use as R. Winged "C" (SED) EF86 / 6J32p. It is also a crisper sounding tube. You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. Un salone di bellezza innovativo. Tube Conversion Adapter 6SJ7 Octal 8 Pin Bottom To EF86 9 Pin Top. The good news is that JJ Electronic makes the EF806S which is brand new, fully tested by us, and has a 120 day warranty. 6267 Tube, EF86/6267, special purpose, AF Pentode. E80F is pin compatible, has slightly less slope and g2g1 mu is 25 (EF86 is 38). I've been comparing GE and RCA 5879 input tubes, as well as some miniature tubes. New old stock 9 pin miniature pentode. A 6AU6 version of the board is also available but does not support 6922, 6DJ8, 7308, or 6CG7. Pre-amp tubes: 1 x EF86, 2 x 12AX7. EF86 / 6267 was introduced in 1955 and has noval B9A base. Electro-Harmonix 12AX7. Britain - Low Test Scores Batch of 4 Tubes = $150. Add to cart. Brimar thermionic products' EF86 has great fidelity and excellent stability. EF86 page sheet date 1 1 1956. Due to its high transconductance it seems to work reasonably well at low voltages and amplifying relatively small signals. Often chosen by our customers for Quad Amplifiers and noted for their detailed sound rendition especially when listening to classical music. This is a suitable replacement for any 6BK8 / EF83 tube type. The tube complement is made up of 1 x EF86, 3 x ECC83/12AX7, 2 x EL84, and 1 x EZ81 (rectifier). EF86 (US number 6267) Russian tube from Electro Harmonix. 00 Quantity. ef86 Telefunken. The EF86 is a high transconductance sharp cutoff pentode vacuum tube with Noval (B9A) base for audio-frequency applications. The Mullard ef86 vintage tube requires the need for protection against strong vibrations. I used them with a pair of Soundelux U95s tube mics when I had them. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. Older tubes from Telefunken and Amperex used to flash metal directly onto the base of. On each tube I placed a little white sticker with the measurement results. The EF86 mod. As I had no the same tube as Eugen used (6G4P+6N30P) it was decided to make the 1st stage with EF86 from Siemens, and the 2nd stage - with 6N6P (Russian). is a 9-pin miniature high transconductance, sharp-cutoff pentode intended for use in audio-frequency applications and is an audio beam-power pentode characterized by long life and stable performance. But we would point out that the major downside to using EF86 tubes is microphonics. the easy way to get there is to run the 8 ohm speaker on the 16 Ohm tap. DEMOSTENES - N6899 Balestrand, Norway Tlf. Out of Stock. The vintage EF86s, while having great tone, are notoriously plagued with noise. 01 5 FP 1999. Vacuum Tube - 6267 / EF86, Amperex Bugle Boy, Pentode, Sharp Cut-Off. For this reason, the tube works ideally with the following types of products: Radios: Vintage radios that produce amplified effects with low tones will fit well with the ef86 vintage tube. It is also a crisper sounding tube. This one sports a gorgeous Amperex Bugle Boy EF86 most likely never handled since installed in the early 60's. Regular Price: $39. For example your amp is designed to run an 8 ohm speaker with 4 tubes like the AB763 Blackface Single Showman so it will need a 16 ohm speaker when run with 2 power tubes. Basics How does a tube work Vacuum tube electrodes Diode valve / tube Triode Tetrode Beam Tetrode Pentode Equivalents Pin connections Numbering systems Valve sockets / bases. 9r2 B0x or B3xx Blackburn Production Date Codes. The EF86 is a single, very large preamp tube by comparison. hanging) contributes to issues with EF86s?. GE 6267 / EF86 Sharp-Cutoff Pentode The GE 6267/EF86. These have solid, gray plates with one hole in them. Information or data about vacuum tube or thermionic valve pin connections is always useful to have to hand. Transformer Case YX-1310 Silver Full Alu. Anybody think is a same tube ? I see spec it is same >>tube but it difference only heater and some value ?? >>Xex > >Yes is the same tube, only charanteristics of heater is different. The Tung-sol 12ax7 tube they produce is of high standard. Neumann U47, U48 and U67 microphones were originally used by the Beatles' for their 1960's concerts and recording sessions. This arrangement allows the true character of the pentode to be heard, since it can be driven by a larger signal than those produced by guitar pickups. It was introduced in the late 1950s and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. View EF86 datasheet online at HeberTech. and all these tubes are highly regarded in microphone use. SAME REVISION. Evatco has the widest range of in stock tubes in Australia. I actually replaced the fuse with a 1 1/2 A (its all I had last night) and then put back the EF86 and one of the power tubes lit up and a bad hum came out of it so I killed the power right away. Shop with confidence. Warm & smooth sound quality. This characteristic means that it has more gain than each half of a 12AX7, although a circuit that cascades both sides of a 12AX7 can generate more total gain. Looking to several tubes like the AC701(k), 6072a (GE *****) and EF86 made by Telefunken and Valvo, all those tubes have pure Nickel or Nickel alloy parts, like plate support, shields etc. Often chosen by our customers for Quad Amplifiers and noted for their detailed sound rendition especially when listening to classical music. With Original box. The M12 will become an essential tool for players that love their pedals as much as their guitars and amps. Didn't get a chance to really blast it yet, but it sounds very promising. Tony Teixeira's strengths, in large part, are exhibited by the rich harmonic overtones, chime and overdrive produced by the classic British EL84 output tubes used in his amps, especially when driven by the fiery combination of EF86 and ECC83 preamp tubes. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. Power: 35 Watts Channels: 1 Controls: Volume, Bass, Treble, Brilliance, Master Volume, Reverb Switches: Hi-lo Inputs, 3 Position Rotary Impedance Power Tubes: 2 x EL34 Preamp Tubes: 2 x 12AX7, 1 x EF86 Rectifier Tube: 1 x 5AR4 Features: Optional Reverb, Effects Loop Speaker Output: Switchable Impedance of 4, 8, and 16 Ohms Weight: 46 lbs. For sale is one matched pair of authentic Telefunken (have diamond print on the bottoms of tubes) EF86 6267 NOS tubes at $120/pair. Title: EF86 6CF8 Author: Mazda Belvu Subject: SM-FP-2003-04-12 Created Date: 1/24/2000 11:35:55 AM. 5Wa tube 12AX7 (6N2P) + EL84 (6BQ5, 6P14P) 14Watt hifi tube EF86 + EL34 8Watt Single-ended HI-FI Power Am Tube 12AT7 + 6W6 Push - Pull 15WATT P0WER AMPLIFIE tube 5Y3 + 6SL7GT + 6v6GT hi - fi amp; Tube 6S4A + 6N1P 5WATT HI - FI Power. https://www. ) They are the cleanest and best ef86. 4mA for EF86, and 70v/17mA for the 6N6P. 13)! This allows you to morph the characteristics between pentode and triode mode. They are nearly equally noisy, but different. Having built a Vajra, I can say the EF86 channel is well designed. EF86 Philips (6267 / EF806S / E80F ) audio pentode for preamplifier use made in Philips / Valvo plant in Hamburg Germany in late 60s. The JJ EF806 can be used in any EF86 circuit including microphones and amplifiers. It came with a new Electro Harmonix EF86 that sounded good, but the old tube really sound better. PROFESSIONAL "SILVER-CAGE" EF86 = 6267 Pentode SINGLE VALVE TUBE TELEFUNKEN EF86! The older and until now non-existant NOS 1960's EF86 were finest Professional triode-pentode tubes Telefunken or any manufacturer ever made! BEST SOUNDING, BEST MADE and MOST VALUABLE and RARE out of ALL the EF86 Amp and Audio tubes. Of course, lamps voltages and current were changed: 150v/1. The 15-watt AC15 Handwired features two channels of VOX tone through a single 12" Celestion Alnico “Blue” speaker. The Blue Line was the first line of 65 Amps with which it al started in 2005. 2010 18:20:33 f=1. The EF86 channel is known for it’s incredible clarity and balance across the fingerboard. Sound Files (Members only) Sound Files For Access To All. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. 01 3 3 1970. 01 4 4 1970. Well they have pulled through again! Its quieter than most of our NOS EF86's. It's affordable too! $34. Early 1960s production from the Hammersmith, UK factory, with the very fine mesh plate construction. This is the industrial version of the 12AX7. Electro Harmonix 6CG7. NOTE: shady fleabay sellers are trying to pawn these off as an EF86 replacement. If an amp has a push-pull output it pretty much needs a phase inverter to operate whether there is a EF86 type of tube up front. Regular Price: $39. Re: EF86 Tubes??? This thread is really old I know but I'm soon to purchase a Ceriatone DC30 clone and want to know what EF86's too look out for (as in which good ones are out there) the RFT EF86's seem to get more praise then others at least by shops but then again they are trying to sell them. they are NOT an EF86, as the EF 86 is a sharp cut-off pentode. Now, if you compared the EF86 wired as a triode to 1/2 of the 6072a (which is a dual triode) the specifications are nearly identical with the EF86 being about 2db better when both circuits feed a 17:1 transformer. EH-EF86, Vacuum Tubes, EF86/6267 PREAMP TB. You Must read the datasheet for details, it an amazing datasheet It is the same series of ultimate tubes: ECC801S, ECC802S, ECC803S and EF806S. Ef86 as guitar preamp tube. Inspired by the V72 modules originally built for the German Radio Network, the Weight Tank WT-72 Microphone/Line Preamp offers 56 dB of gain, which can be driven by a microphone or line level source. Another demonstration of the lack of importance of the brand stamped on the valve. The EF806S, like the EF86, is an unusual pre-amp valve as it is a pentode rather than the traditional triode and it is a bit wild !!!. From: Louisiana, USA: Posted 9 Oct 2019 5:01 am. Unique multi-section design. Because of the high headroom of the EF86 preamp tube, this channel responds particularly well to pedals. It is designed for voltage amplification, not power production, and thus has a relatively low plate dissipation limit. Electro-Harmonix tubes are all new designs and are of excellent quality. Title: EF86 Author: Philips (scanned by Frank Philipse) Created Date: 8/16/1999 11:08:19 PM. 3v heater voltage then it probably will test the Ef86, look through the data for the tester and find a pentode test that is similar to the Ef86, you can get b9a plugs & sockets on ebay, you might even get lucky and find a test function that has the same pinout. There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise. All tubes are brand new taken from the surplus inventory. All triode mode stock parameteres taken from www. 00 Buy Now. 100% Upvoted. Use Micalex tube sockets for the EF86 (they seem to be better at absorbing vibration) 4. Vox used'em, and so did Matchless and Dr. Abstract: EF86 tube ef86 EF86 pentode ef86 tube ef 86 TR10DE Bel 188 Ef40 tube cathodique PHILIPS Text: 939 1052 4. Category. Any suggestion for a driver tube? I have these tubes on my parts bin: EL84, 6sn7, 12sn7, 6j5, 12sl7, 12au7, 12b4a, 6688, 56. And by cranking up the Gain knob, the Eighty-Sixed makes a fantastic tube overdrive pedal. Searching under 6267 often helps though. If they don't past this rigorous testing, they are not chosen to be TAD tubes. Price is for a Single Tube. Vox used'em, and so did Matchless and Dr. Colin - check out my ebay auction for 3 telefunken ef806s (special low noise versions. Made in Great Britain. Manufacturer and factory: Valvo Hamburg. This is the very rare Genalex Gold Lion version of this audiophile tube. Original box. Its design is low noise and anti-microphonic and was developed from the B8A EF40. hanging) contributes to issues with EF86s?. Electro-Harmonix tubes are all new designs and are of excellent quality. Real Philips or Mullard EF86 tubes will have a type code of "8Y" followed by a number. com EF86 datasheet and application notes. Radio tubes are valves. Etched date codes 8Y5 (1966-67) or 8Y6 (1968) L8xx for MBLE Belgium Brussels plant. Make offer - Billington Gold EF86 Valve/Tube New Old Stock £9. 10 9 D 1957. This tube is a bit different from the others on the list in terms of physical design. This pentode features a robust construction with the internal shielding used in the original tubes. kcanostubes. Channel 1 is the EF86 Preamp channel - It features two inputs wired in the traditional way that gives them a 6dB gain difference between them. Because of the high headroom of the EF86 preamp tube, this channel responds particularly well to pedals. twin triod, 12AX7, 12AU7, 12AT7, 12AY7, ECC81, ECC82, ECC83, ECC85, ECC88, ECC802S, ECC803S, EF86, EF80, preamp tubes. Electro-Harmonix has found a way to keep the noise and microphonics down in this reiteration. The Svetlana EF86 is. The EF86 Gallery 6CF8 6BK8 : The EF86 is similar to its precursor, the EF40, but has a noval socket (instead of the rimlock socket). Various brands available. The EF86 Pentode tube is at the heart of this elusive tone, and for many years, the EF86 tube was not available in production quantities. The EF86 also has an internal shield structure that is physically tied to pins 2 and 7. You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. Older tubes from Telefunken and Amperex used to flash metal directly onto the base of. I bought a couple and am happy with mine. 11 8 C 1957. 1950’s British made Genalex Z729 / EF86 German made Telefunken EF86 The U67 tube microphone was connected to an API 512C. I'm not having any microphonic issues with the EF86, and I just bought whatever NOS Antique Electronics had. EH-EF86, Vacuum Tubes, EF86/6267 PREAMP TB. They appear with different names on them such as Raytheon, Westinghouse, Radio Shack, etc. Radial and axial configuration. 7091 Eva Lane Rockford, Michigan 49341 PHONE: (616) 454-3467. We hope you enjoy our EF86. It was introduced in the late 1950s, about ten years after the 12AX7, and was used in many hi-fi designs of that era, as well as in the Vox AC30, the famous REDD 47 microphone preamp, and some Hammond organs. Then we would simply pick the screen voltage "line" that starts at the bottom at a grid voltage of minus 2. hanging) contributes to issues with EF86s?. SUPER STRONG Nos/Nib Ef86 - 6267 Tubes Philips - $387. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. It is used in a some vintage guitar preamps such a the early Vox AC series, and remains in limited use today, mostly in boutique style guitar amps. Colin - check out my ebay auction for 3 telefunken ef806s (special low noise versions. Posted: Feb Mon 17, 2020 2:29 pm. Unlike the majority of pentodes of this type, the EF86 possesses low distortion, low hum induction and low ionization noise. The EF86 is a high gain pentode tube designed specifically for audio applications. EF86 - 6267 EH Electro Harmonix Tube. Sounds great without any issues. It was used successfully as a pentode in a number of designs, both in Europe as the EF86 and in the States as 6267. 6267 is an identical substitute. Any suggestion for a driver tube? I have these tubes on my parts bin: EL84, 6sn7, 12sn7, 6j5, 12sl7, 12au7, 12b4a, 6688, 56. EF86: RTT 1974 (Franzis) 13. It can therefore be driven to maximum power at far lower volume levels. See the tube manual for the type out output tube used for this information. With the wide variety of tubes that are in use there are many. 04 3 3 1956. Or, if you are thinking of a new amp, look at my Custom Amp Estimate page to get an idea of what a custom amp from me could cost. Z in for this week's segment!. Because I hate tube rectifiers and other "museum exponents" (like paper-in-oil. Home / Shop / Signal Tubes / EF86 Ediswan 20-076. Introduced in the late 1950's, it is used as a preamp in audio equipment and instrument amplifiers. In fact in this case it is a rare Mullard commissioned the. New Old Stock white box. Click on "vacuum tubes" on the left, then click on "6000 to 397022", THEN go to page 5 and you'll find affordable Philips 6267/EF86 tubes. Regular price $269. Get your TAD Tube Amp Doctor EF86 / 6267 tubes at Humbucker Music! As one of the largest dealers of high-end amplifiers in the world, we know and understand tubes (and the amps they go in). The Dario item is identical In stock £36. 04 6 A 1953. Dependable, low-noise pentode. Early 1960s production from the Hammersmith, UK factory, with the very fine mesh plate construction. Free shipping on orders $105 and over. [rmxtube-en]. Power Tubes: 30-Watt (4-EL84) Pre-Amp Channel 1: 12AX7 Pre-Amp Channel 2: EF86 Reverb: 2 – 12AX7 Rectifier Tube: GZ34. A two button footswitch to select the EF86 or 12AX7 pre-amp tube and engage the boost is included. It is also a crisper sounding tube. The Svetlana Winged C EF86 tube is found in many of our amplifiers (Route 66, Z28, Surgical Steel). The 15-watt AC15 Handwired features two channels of VOX tone through a single 12" Celestion Alnico “Blue” speaker. Tube boxes are identical for all tubes except one - pink/blue Old Shield Mullard with small variation in the printing style on the flap. Replaces any EF86/6267 tubes. sylvania #26 2 tested tube rca good and tubes #26 #26 good tubes and sylvania tube tested #26 rca 2. Looking to several tubes like the AC701(k), 6072a (GE *****) and EF86 made by Telefunken and Valvo, all those tubes have pure Nickel or Nickel alloy parts, like plate support, shields etc. $100 Like New In White box. The Tung-sol 12ax7 tube they produce is of high standard. 04 3 3 1956.
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