The telefunken el84 tk is a perfect replacement for any el84 6bq5 tube offering a reliable and great sound. Jjs had a similar effect in the tophat supreme 16 i owned. Pushpull pp el84 tube amplifier schematic ecc83 input. In the ac30 the jj el84 tube will really deliver the vox chime with lots of swirl and shimmery harmonic content. A centertapped heater permits operation of the tube. This software version can only be purchased under certain conditions defined by the manufacturer. An interchangeable north american type is the 6bq5 the retma tube designation name for the el84.
This tube was made by jj at the request of eurotubes. All our tubes are guaranteed for 3 months from the date of purchase. Now if you want a little less power and an earlier breakup you can have it. Output pentode quick reference data anode current ia48ma transcoductance s11,3mav. The sovtek el84m has a clean sound, and nice balance. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. Elektroakustik, in partnership with jj tubes from the carpathian mountains of cadca in slovakia. Its dissipation power was increased from 9 to 12 watts, giving an output power of 5. Output pentode quick reference data anode current ia48ma transcoductance s11,3mav amplification g2g119 output power wo6w heating indirect by ac or dc. These are the same tubes that groove tubes relabels as gt el84 s. Jj electronic has introduced an el84 tube with a twist. Each tube is meticulously measured for all critical parameters of performance including transconductance, gain, noise, and microphonics. The telefunken el84tk is a perfect replacement for any el84 6bq5 tube offering a reliable and great sound.
Twin triode, 12ax7 datasheet, 12ax7 circuit, 12ax7 data sheet. Eliminating a preamplifier triode in radios made them cheaper. The electroharmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. Jul 26, 2019 sovtek vs jj el84 tubes harmony central. Prior to that i did a shoot out with some vintage el84s and i was surprised that the jjs came out on top.
The jj el84 takes a lot of its design from the mullardphilips el84 of the sixties. Jj el844 low power el84 datasheet pdf download adobe acrobat pdf reader. Eirc electronic tubes factory data sheet el84 page 1 of 8 telephone. Originally designed for the output stages of audio frequency amplifiers, the el84 can deliver up to 1 7 watts. This amplifier uses triodewired el84 tubes, for a bit over 6w 4. With the jj el84 tube you seem to get a compromise between tone and reliability. El84 datasheet pdf pentode triode, vacuum tube philips. This tube is characterized by sparkling highs, good mids, and a solid bottom end. Datasheet search engine for electronic components and semiconductors. This tube has a different pinout and cannot be used in 6bq5 el84 sockets unless you have verified it will work. The el84 is a thermionic valve of the power pentode type.
From a construction standpoint i think jj has hit the mark. Pdf 1642se 1638sea 1642se 1638sea single ended 6550 tube 572b el84 tube 6aq5 tube tube 811a tube 807 807 tetrode el84. Until the jj el844 came on the scene in 2011 there really were no substitute tubes for el84 6bq5 tubes. The tube has the same pinout as el84 and is a bit more powerfull. Beam pentode for af power amplifier applications, 6l6gc datasheet, 6l6gc circuit, 6l6gc data sheet. Capacitor input f 50 hz utreff 2x300 2x400 2x500 2x550 v. Posted on february 2, 2016 september 18, 2019 by pinout. Mar 06, 2019 el84 datasheet pdf pentode triode, vacuum tube philips. El84 datasheet pdf vacuum tube philips, pentode triode, el84 pdf, el84 pinout, el84 equivalent, el84 data, circuit, el84 schematic, el84 manual. Recent listings manufacturer directory get instant.
U a 250 v u g2 250 v u g1 7,3 v i a 48 ma i g2 5,5 ma s 11,3 mav. When we come to calculate the gain, we find that the anode characteristic begins to curve as we reach its intersection with the load line. Class a1 singl tube pushpull u a 250 v 270 v u g2 250 v 270 v u g1 14 v 17,5 v i a 72 ma 4 ma i g2 5 ma 11 ma r a 22,5 k. Warranty information and return policy warranty period. May 23, 20 the 12ax7 is a miniature highmu twin triode, each section of which has an individual cathode connection. Nice mids, sparkling highs and solid bottom end characterize this tube. The sovtek el84 is often sold under their own brand datasehet by other wellknown electric dahasheet and guitar amplifier manufacturers such as fender or mesa boogie.
Very smooth with a sweet chime, a very defined mid and tight punchy low end. The pushpull el84 tube amplifier schematic is from the book build your own audio valve. The new jj el844 tube provides about 25% less headroom than a traditional el84, but can be used in any el84 tube amp without modification to the amp. If you need less headroom for your bedroom amp consider the el844 tube. The jj el844 is an entirely new tube that dissipates 9 watts and is a drop in replacement for el84s in most all amps. Any exceptions will be noted on that tubes warranty tab. Each tube is meticulously measured for all critical parameters of performance including transconductance, gain, noise, and. El34 datasheet vacuum tube of power pentode philips. Most el84s are used in combo amps and are especially prone to mechanical vibration. Svetlana, sovtek, tesla, jj, siemens, nos, el84 12ax7 kt88 6l6 schematic. El34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling.
Jul 24, 2019 the el34 is a much loved audio power valve with an anode dissipation of 25 watts. Again the jj tesla el84 tubes seems to dominate the field in its ability to withstand the abuse combos dish out. So when designing new circuits we can be immediately familiar with the behaviour of the 6n1p tube. It is used in the power output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. The sovtek el84m is a rugged military issue el846bq5 that can withstand higher plate current than any current production el84, and is a suitable replacement for the 7189. With the jj el84 you get a combination of both great tone and reliability. Jj electronic vacuum tubes, capacitors, amplifiers. This was not an easy thing to accomplish, there were a number of prototype designs that did not survive or survived but did not sound like an el84.
Pushpull pp el84 tube amplifier schematic with ecc83 input stage. Recent listings manufacturer directory get instant insight into any electronic component. Amplified parts is backed by over 25 years of experience serving the electronic hobbyist market. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 70 mm tall.
This tube has a different pinout and cannot be used in 6bq5el84 sockets unless you have verified it will work. 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. Gec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. All telefunken branded tubes are hand picked to be the best examples of eastern european construction in the. This has the rounded midrange sound of any current production el84. Octal u f 6,3 v i f c a0,9 a typical characteristic. There is more information available about tube power supply design in the power supply design for vacuum tube amplifiers article. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. It is intended for audio frequency power amplification service in either pentode, ultralinear or triode connection and single or pushpullparallel applications. This chart shows an example of how toset up voltageamplifyingpentodes for maximum voltage output as opposed to maximum gain the example givenis an rca retrieved 22 may as of update a slightly modified version of the 6p14p was manufactured in russia for sovtek.
El84 datasheet, el84 pdf, el84 data sheet, el84 manual, el84 pdf, el84, datenblatt, electronics el84, alldatasheet, free, datasheet, datasheets, data sheet, datas. It is a thermionic valve of the power pentode type. The el34 is a much loved audio power valve with an anode dissipation of 25 watts. By clicking the link from the exhibit name above, the full mullard datasheet can be downloaded. The sole later launched ecl86 may not be considered as a true successor as it is a multiple beampowertube. Quality construction and a low failure rate make this tube a terrific choice for any amp requiring el84 tubes. Its not an el84 that tests low or an el83 as some of the all knowing tube gurus have speculated. Nov 17, 2016 el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Ecc83 datasheet pdf, ecc83 data sheet, ecc83, ecc83. Yes, the datasheet says it is a drop in replacement for all 6sn7 circuits except base of course. A combination of remarkably smooth mids, twinkling highs and a rock solid bottom end make the jj a tough tube to beat. As with any el84 tube they can be prone to mechanical noise in combo amps.
Noval u f 6,3 v i f 0,760 ma typical characteristic. The electroharmonix is oem in most current guitar amplifiers. It has a 9 pin noval base and is used mainly in the power output stages of audio amplification circuits, most commonly now in guitar amplifiers, but originally in radios and many other devices of the pretransistor era. Most el84 s are used in combo amps and are especially prone to mechanical vibration. Output pentode el84 is an output pentode for use in guitar and hifi amplifiers. It is especially suited for use in resistancecoupled voltage amplifiers, phase inverters, multivibrators, and numerous industrialcontrol circuits where high voltage gain is desired.
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