Ef89 tube equivalent. pentode particularly suitable for use in F. Unlike many pentodes, it was designed specifically CV4085 (Special EF86) LOW-NOISE AUDIO PENTODE The original GEC CV4085 is a special quality version of the EF86 audio voltage amplifier made by the company which produced the famous British KT beam-tetrodes. The EF89 tube has a unique pin layout, and it is essential to refer to the tube datasheet or pinout diagram to correctly identify and connect the pins. I attach the table to this post, so Jul 20, 2021 · According to market needs, this tube was either stamped ECH81 and sold for tube radio use or ECH83 and sold as low voltage car radio tube. EF89 - Tube Data EF89 List of Mullard–Philips vacuum tubes This is a list of European Mullard–Philips vacuum tubes and their American equivalents. The EF80 was much used for RF, intermediate frequency, and video amplification. Selectivity is increased due to higher transconductance. Type ECH81 was first introduced in 1953. The reverse will not necessarily be a correct replacement. At the time it was designed television receivers operated on Band I at about 50 MHz and from 1955 also on Band III at around 175 MHz. See also 1954 adverts. The EF95 is a low noise RF voltage amplifying pentode, designed to operate at VHF. V. com. Please report any Sections 5 and 6 list American and foreign equivalents. Made in the 60's. The quoted noise factor at 180 MHz is 3. Aug 26, 2020 · This is a list of Soviet and Russian tubes and their American/European Equivalents. It was designed specifically for the purpose and released in 1954. Building, troubleshooting and testing of these amplifiers should only be performed by someone who is thoroughly familiar with the safety precautions around high voltages. I have put the data together in a document over Russian tubes and their western equivalent and possible substitutes, as seen from the Russian side. Oct 8, 2008 · Doubt there is a much better made tube than the Siemens & Halske D3A, SQ or not. 1 1 1969. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. The EF89 is a high-slope R. You can also consider tubes such as EF95, M8100, The high impedance of the pentode supports the case for use with a tuned circuit connected to the anode. Type EF183 was first introduced in 1959. The anode is two small plates set either side of the cathode. Tube 6DA6 or Röhre 6DA6 ID19605, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. For the EF86 under normal conditions, I. The substitutes in the right-hand column are for only those tubes which have similar, or improved, charac­ teristics and can be inserted directly Jul 21, 2016 · Last modified: 2016-07-21 (18523) A Anhang Appendix Index Cross Reference A. The German Post Office was very particular about what they used in their equipment. A lot of tube development between 1935 and 1945 was making the control grid at higher precision, moving it closer to the cathode and using finer wire wound at a finer pitch. Introduced in the late 1940s by RCA (Radio Corporation of America), the 12AX7 was designed for use in high-fidelity audio (too old to reply) Daniele 2005-09-20 21:12:08 UTC In a stock of about 1000 tubes at home there is always INTRODUCTION This booklet contains interchangeability and replacement lists of electron tubes and is divided into three sections: Section 1 gives a survey of the receiving tubes for radio, T. In addition, a number of Philips tube types for which no equiv- alents exist are tabulated. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. The main attribute it has is low plate current and low screen current. " "A Howard W. Just below the top mica the tube is coated again and either side are the diode anodes. Jul 21, 2017 · EF805S and EF85 Vs EF89 as IF tube for a HF receiver Components and Circuits We would like to show you a description here but the site won’t allow us. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 53 mm tall. Only those American types which can be replaced with European brands have been listed. Section 2 gives a survey of the cathode-ray instrument and projection tubes; T. 01 4 FP 1999. The lower mica is made of two sheets - the requirement for vibration resistance. (Additional substitutes may be obtained by cross-referencing the American substitutes given in Section 6 with The anode is a pair of plates one on either side of the central cathode. Various brands. Feb 17, 2014 · TABLE OF CONTENTS INTRODUCTION 5 SECTION 1 Cross Reference of American Receiving Tubes 7 SECTION 2 Industrial Substitutes For Receiving Tubes 55 SECTION 3 European Substitutes For American Types 59 SECTION 4 American Substitutes For European Types 67 SECTION 5 Picture Tube Substitutes 79 Digitized by Google. SW stage amplifier. Purchase 6DA6 / EF89 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. The Phædrus May 12, 2015 · Hi, I recently came across a russian book called: Domestic receiving tubes and their foreign counterparts (or something like that), and have collected data from that book in a table over russian tubes and their western equivalent and possible substitutes. Price is for a Single Tube Tube EF 89 or Röhre EF89 ID841, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. Substitutes: EF89 EIA Base: B9A Datasheet: 6C4. The back of one anode plate. 6AK5 variants include 6AK5W, 5654, and Western Electric 402A. See also 1953 adverts. American tubes are in the left-hand column, with their European equivalents in the right-hand column. line voltage of 250 V and an anode load of 100 kΩ, the equivalent noise voltage is approximately 2 μV for the frequency range 25-10,000 Hz. If details of transmitting tubes and semi-conductors equivalents are desired, reference should be made to Bernards Radio Manual No. The Telefunken EF89 is a quality tube perfect for your application. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Tube not listed? If you can't find it, We'll find it for you! Email us at worldtubecompany@earthlink. Jan 11, 2025 · Series string TV tubes nearly always had odd filament voltages. An enhanced view of the outer grids. Here the notch and peening method of securing the grid wire can be plainly seen in the outermost grid. The 6BR7 is the Brimar version of the EF86 and is supposed to be good but has a different pin-out (and the 6BS7 is supposed to be even quieter but has its grid connection on a top-cap). The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 46 mm tall. The tubes are listed in the left-hand column. However EF86's Get the best deals for Ef89 Tube at eBay. When using this chart, bare in mind, the lessons from above. Nov 29, 2008 · All the CV numbers indicate an EF86 or equivalent. Type EABC80 was first introduced in 1952. 7Mhz IF). I admit I've steered away from used tubes and the NOS prices I saw were just crazy (hey I'm cheap!) I've kinda given up on EF86's. 5. 12 2 2 1969. 16 We would like to show you a description here but the site won’t allow us. When I directly substitute EF89 by EF85 (also RF pentode tube with variable transconductance) either in I. Also included are the latest tube types registered with EIA but not yet in production. Type EF89 was first We would like to show you a description here but the site won’t allow us. The original tubes are now rare and expensive. speaking of cathode followers, I mostly switch to ZETEX ZVN0545A (Thanks to Eli Duttman) because even after hours, I can't hear a difference to a (proper) tube. The oscillator would be run 10. It is very similar electrically to the octal base EF37A and the Rimlock base EF40. . Aug 9, 2010 · Nostalgic Kit CentralTube Interchangability Reference The following should be direct substitutions. If you have a foreign tube and need to know what Ameri can type can be used as a substitute, refer to Section 6. Mar 5, 2013 · EF86 is a sharp cutoff tube for low frequency use, EF89 is a remote cutoff tube for high frequency use (usually 10. Mullard describe the EF89 as a variable μ pentode for use as an RF or IF amplifier in FM/AM receivers and is designed to work with a tuned anode circuit. EF806S/6267/EF86 are the same tube electrically and pin compatible, EF40 is the predecessor that uses a 8pin rim-lock socket. Some of these tubes may need circuit modifications to perform properly (or even at all). pentode tube with variable transconductance are very common use as I. Mar 12, 2008 · There was some mention of alternative tubes to the ef86/6267 which sparked my interest in a search for an alternative replacement tube. Any ideas what did they do to achieve it? Sep 18, 2012 · Out of sheer curiosity, and love for the EF86 as a preamp tube, I recorded a comparison between the JJ EF806S (modern EF86 from JJ) and an RFT EF86 (NOS). Free shipping on many items | Browse your favorite brands | affordable prices. The time now is 9:42 am. EF89 Substitutes 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. Tube EF 86 or Röhre EF86 ID2011, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and Audio Frequency shown. The application i… Jan 31, 2019 · Domestic receiving tubes and their foreign counterparts by: В. The cathode tube passes through a screen without any coating. The UCH81 is maybe more useful for audio purposes than ECH81, because the filament supply is 19V. The two independent valves are screened by a rectangular plate across the diameter of the envelope. See also 1959 adverts. Data collected from the Russian book; Domestic receiving tubes and their foreign counterparts by: В. Some were "alternate" versions of commonly found 6 volt types, just as an example there was a 3BZ6, a 4BZ6, and a 6BZ6. This is therefore a mid-life valve with plenty of working hours left in it yet. S. Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme. С. Tube EF 89F or Röhre EF89F ID20056, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. Sams photofact publication. no. this tube appears to be electrically similar to the 5879. In those days all British TVs were monochrome, 405-line standard, with a typical video IF of 33 MHz. amplifier stages for some Philips and other manufactures radio models, the The anode is two small plates set either side of the cathode. Through the screen can be seen the open pitch suppressor grid plus the two inner grids. References: 4051 & 1040. The thin glass tube envelope is 17 mm in diameter and excluding the B7G base pins measures 36 mm tall. M. The time now is 4:00 am. Mullard introduced the valve in 1952 as a direct equivalent to the American 6AK5. This is the most common value for laptop power supplies and new usb-c high power chargers. The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 54 mm tall. The grid wires extend beyond the width of the anode. References We would like to show you a description here but the site won’t allow us. The amp is a combo while the circuit is sort of an 18watt with an EF86 and 6V6's - ie "does not compute" for a 5E3 chassis. Oct 19, 2025 · pentode EF89 - (NOS)Pentode EF89 from manufacturer Telam, PL intended for use as RF or IF amplifier. The 3 and 4 volt versions were dedicated specifically to series string operation in sets which had no power transformers. I'm going to rebuild the innards soonish minus the pentode. Radio tubes are valves. The EF85 is a VHF variable μ pentode and is the counterpart to the EF80 straight RF pentode. Equivalents Index The Mullard EF89 is a quality tube perfect for your application. Given the readable tube types, an educated guess for the unreadable one can usually be made. Direct replacement for the 6DA6 tube. Type EF89 was first introduced in 1954. References: Data-sheet, 3002 & 1040. See also 1952 adverts. Tube Equivalents List 0A2 AG5211 0A2 SR56 0B2 SR3 108C1 OB2 10BQ5 YL84 10C14 19D8 10CW5 LL86 10CW5 YL86 10DE7 9R-AL1 10DX8 LCL200 10DX8 LCL84 10DX8 YCL84 10EB8 11JE8 10F18 13EC7 10F9 12AC5 10GN8 11JE8 10GV8 LCL85 10HF8 11JE8 10JA8 11JE8 10JY8 11JE8 10LD13 14G6 10LD3 14L7 10LZ8 11JE8 10P18 45B5 10PL12 50BM8 11BM8 LCL82 11JE8 10EB8 11JE8 10GN8 11JE8 10HF8 11JE8 10JA8 11JE8 10JY8 11JE8 10LZ8 11R3 New-Old-Stock (NOS) tube. Tubes are new, tested and will be delivered in modern white boxes. 7 MHz lower than the The Siemens EF89 is a quality tube perfect for your application. For sale an EF89 (6DA6 USA equivalent) variable mu pentode amplifier valve / vacuum tube by Mullard, tested and fully working at 80% of nominal new emission. , including picture tubes, as well as small tubes for industrial and communication services. Old but good preserved. 9 0 1 2 3 4 5 6 7 8 9 10-99 100-999 1000-9999 10 000 A B C D E F G H I J K L M N O P Q R S Sep 17, 2025 · Are you an audiophile and looking for an alternative to the Chinese tube buffers/preamps? If you need to change the 6J1, the American equivalent of the 6J1 is the 6AK5 or 6J1P-EV. It is tested using the Amplitrex AT1000, the RoeTest R9 Professional System, or a freshly calibrated and upgraded TV7-D/U. Oct 15, 2022 · I have a few tubes I have acquired, but I don't know much about tube gear, so I'm a bit lost on if they are desirable, etc. Other based types such as B9G, B4 or UX5, etc. 158. Apr 2, 2010 · Ok guys I am looking for a little info on these tubes!!! First what brand is considered by most to be the overall best sounding? Second What current new production ones sound close to the best sounding ones? Third what are some variants that are direct substitues for the EF86 tube? Aug 26, 2009 · WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. e. The information below is accurate to the best of our knowledge. It was introduced by the Mullard company in 1953 [2] and was produced by Philips, Mullard, Telefunken, Valvo, and GEC among others. Ларионов (V. The European designation is EF95. Mar 6, 2021 · 12AX7 Tube Equivalents Technical information, substitutions, notes. See 6AK5 for more details. Many series string types did not have any 6 volt equivalents. References: Data-sheet & 1040. The screening box is made more rigid by the pressed ribs. References: Data-sheet & 1040 Type EF91 was first introduced in 1947. , are now completely obsolete and deleted from this compilation. "Cat. The 'bog standard' TV of the later 1950s was full of EF80s (or equivalents). 08. The tubes in a radio form a well-organized collection, not unlike the musicians forming an orchestra. E80F is pin compatible, has slightly less slope and g2g1 mu is 25 (EF86 is 38). The diode anodes are screened by the bright boxes. May 13, 2018 · Hey all! So I saw some amps using EF86 but never saw any using EF89 which are usually radio tubes, so is it possible? Jun 10, 2021 · "EF86" sound from 12AX7 tube? by klobasa » Sat Jan 06, 2024 12:13 pm In this video (starting from 7:30) they discuss that the 2023 version of Bad Cat Black Cat had one significant chance: the EF86 tube was replaced with 12AX7, but they tweaked the circuit that 12AX7 would still sound like EF86. These are all from the early 60's: Telefunken ECC85 Siemens EF81 Telefunken EF89 Siemens EABC80 Siemens EL84 Siemens ECL86 Thanks for any input. F. Photo is for reference only and may not exactly represent final product received. A TV might have had a dozen Dec 26, 2007 · Hi all, I was looking for a low current small signal pentode, and in the end I found that of all the common types, the EF86 is the best for my intended purpose. Pin outs Tube UF 89 or Röhre UF89 ID991, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. The EF89 is a miniature RF voltage amplifier. Clearly this places the valve in a superhet context with AGC applied to the RF and IF sections. Note that Philips made an SQ version of the D3A, and I don't see any reference in the vade mecum or elsewhere that cites the EF184 as an equivalent to the D3A and comparing data sheets indicate they are different tubes. Anyway none of the tubes I've got is ECC The first section of this book lists all receiving tubes which have been or are being manufactured in this country. The EF89 is a miniature RF variable μ voltage amplifier pentode for use as an RF or IF amplifier in FM/AM receivers and is designed to work with a tuned anode circuit. " VACUUM TUBE and VALVE CROSS REFERENCE SUB / SUBSTITUTE / SUBSTITUTION EQUIVALENT and REPLACEMENT LIST This list is Constantly and Perpetually under construction. The width of the anode can be about half the May 26, 2014 · With EF89 tubes getting hard to find, could a EF85 (6BY7) tube be used in place of a EF89 (6DA6) tube, with a minor alteration? I see the only difference is the connection of pin one. If you have an American tube and want to know what foreign type will serve as a substitute, refer to Section 5. The EF86[1] is a high transconductance sharp cutoff pentode vacuum tube with Noval (B9A) base for audio-frequency applications. This is a suitable replacement for any 6DA6 / EF89 tube type. The 12AX7 is a miniature dual triode vacuum tube, also known as an electron valve, that has played a significant role in the development of electronic equipment, particularly in audio applications. The EF183, released in the 1960s, overtook its performance just as the Tube ECH 81 or Röhre ECH81 ID375, Triode-Heptode, Noval, 9 pin miniature (USA pico-9) B9A and Frequency converter shown. INTRODUCTION In thefirst column of this Interchangeability quide those types of electron tubes for whIch equivalent types exist have been entered in numerical alphabetical order. Another view. Note: brands may vary. The second column lists the a ter- native CV numbers of the corresponding Philips tubes and the third the type number(s) of The ECC85 is the definitive double triode for the front end stages of FM radio receivers. Microphony. Larionov 1981) Contrary to what some may believe, the missing or unreadable tubes in a radio can often be guessed quite well. studio tubes; transmitting EF 89 & 183 good replacements for EF85? Components and Circuits Tube EF 85 or Röhre EF85 ID357, Vacuum Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. New tubes kit for old radios: 1 x ECC85 NEW (European brand) 1 x ECH81 NEW (European brand) 1 x EF89 NEW (European brand) 1 x 6T8A NEW (American equivalent to EABC80) 1 x EL84 NEW 1 x 6E1P NUEVA (Russian magic eye equivalent to EM80) Jan 3, 2012 · EF183 can be used with good results instead of EF89 (which is the typical IF-tube in german radios) in tube-receivers. net Or call us at 253-756-6489 NEW AND NOS TUBES TESTED - USED TUBES ~ UT UT 01A THRU 0D3 UT - 1A3 THRU 1N5GT UT - 1P40 THRU 1X2B UT - 2A3 THRU 2X2-A UT - 3A3 THRU 3V4 UT - 4AU6 THRU 4X250B UT - 5AM8 THRU 5Z4 UT - 6A3 THRU 6AZ8 UT - 6B7 THRU EF89 Tubes If you're looking for an incredible variety of affordable EF89 vacuum tubes you're going to be positively electrified with the comprehensive selection of new and vintage tubes that we provide here at Vacuum Tube Emporium! Brand new tubes from today's top tube makers - we've got you covered. Каинельсон, А. See also M8100 for the special quality version. One triode would be used as an RF amplifier and the other as the local oscillator. Nov 3, 2020 · Alternative/Equivalent EF89 Valves Components and CircuitsComponents and CircuitsFor discussions about component types, alternatives and availability, circuit Dec 4, 2007 · Anyone got any ideas of anything that will drop-in substitute for an ECH81/6AJ8 (triode/heptode) or EF89/6DA6/6DG7 (pentode)? My Loewe Opto Vineta Stereo radio will thank you Regards, Gordon. EF89 R. Of course, experimentation is at your own risk! If in doubt, post the model number and the new tubes kit for old radios: 1 x ECC85 NEW (European brand) 1 x ECH81 NEW (European brand) 1 x EF89 NEW (European brand) 1 x 6T8A NEW (American equivalent to EABC80) 1 x EL84 NEW 1 x 6E3P NEW (Russian magic eye equivalent to EM84) Oct 20, 2017 · Soviet EF89 Components and CircuitsAll times are GMT. stage amplifier and tunning R. HI, I have a preamp that has ordinary 12AX7 tube (which is an equivalent for the europian name for a tube "ECC 83" ). Since do build 18 lites with the ef86 Akai m6-8 series amplifier platform. Tested working and guaranteed 30 days. 6DA6 tube, new old stock, boxed. The equivalents for thermionic valves or vacuum tubes, including the diode, triode, tetrode, pentode, heptode, etc that can be used for substition or replacement. The OddMix Vacuum Tubes Replacement Substitutions Tables section has a wide variety of popular tube substitutions for rare antique, vintage, exotic, original, discontinued and collector's vacuum tubes, electron tubes, audio tubes and Fleming valves. Get the best deals on Ef89 Tube when you shop the largest online selection at eBay. Aug 27, 2015 · Russian Tube Equivalents Here is a handy sheet which shows ‘equivalent’ Russian tubes to popular US and European ones. The low-frequency noise generated by a valve is most conveniently specified as an equivalent voltage on the control grid for a specific bandwidth. Tube EBF 89 or Röhre EBF89 ID418, Double Diode-Pentode, Noval, 9 pin miniature (USA pico-9) B9A and RF/IF-Stage shown. Even compared with the classic EF86s from Telefunken and Mullard, the CV4085 is considered the best of all the EF86s equivalents. receivers. Oct 29, 2020 · Alternative/Equivalent EF89 Valves Components and CircuitsAll times are GMT +1. The width of the anode can be about half the width of the glass tube or 10 mm. We would like to show you a description here but the site won’t allow us. TUB. The thicker wire is that of the screen grid. pdf More information: RadioMuseum. Каинельсон, А. 01 3 3 1969. If you need cheap EF86, use the russian equivalent: 6Ж32П We would like to show you a description here but the site won’t allow us. Now I want to try an experiment and change the factory tube with one Telefunken tube from my 1955 Blaupunkt radio. Larionov 1981). The reader assumes all responsibilities and monetary damages that could electron Tube Data sheets - E electron Tube Data sheets E Jun 14, 2016 · Can a 6DA6A substitute for a 6DA6/EF89 tube? None of my RCA manuals lists this tube and Google didn't turn up anything on the 6DA6A either. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 52 mm tall. Pay special attention to the filament and heater connections to ensure proper operation. The thin glass tube envelope is 20 mm in diameter and excluding the B9A base pins the valve is 57 mm tall. Tubes like the 6AU6 have to high anode current. A microscope image revealing the control grid wire. The only visible part of the valve is the expanded metal screening cylinder. The EF80 worked well at 40 MHz and also gave adequate performance at up to 100 MHz. The Valvo EF89 is a quality tube perfect for your application. Kainel’son, A. To use the table of commerical equivalents, find the valve or tube to be replaced in the index. org Apr 27, 2007 · Hey dubs thanks. stage or tunning R. Type EBF89 was first introduced in 1954. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 55 mm tall. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 59 mm tall. Aug 9, 2010 · Tube Interchangability Reference The following should be direct substitutions. hadkw x94ud dgd oba9f jiksj c8el otg slzhswb k7kew ix1a