A centertapped heater permits operation of the tube. The tungsol el84 6bq5 was a popular oem tube for americanmade el84 6bq5 guitar amplifiers, such as those built by gibson and harmony. There is more information available about tube power supply design in the power supply design for vacuum tube amplifiers article. An interchangeable north american type is the 6bq5 the retma tube designation.
This power pentode is the perfect replacement for the vox ac30 output tubes. Pushpull pp el84 tube amplifier schematic ecc83 input pushpull pp el84 tube amplifier schematic with ecc83 input stage. The svetlana el34 is manufactured with the original mullard design in the svetlana factory in st. The el84 is a thermionic valve of the power pentode type. Vacuum tube el84, tube amp doctor antique electronic. Heater voltage vf 6,3 v heater current if 760 ma fax. Spec said will be get 10w rms with 6l6 but actually never get 10w rms.
Output pentode quick reference data anode current ia48ma transcoductance s11,3mav amplification g2g119 output power wo6w heating indirect by ac or dc. It is especially suited for use in resistancecoupled voltage amplifiers, phase inverters, multivibrators, and numerous industrialcontrol circuits where high voltage gain is desired. El84 datasheet, el84 pdf, el84 data sheet, el84 manual, el84 pdf, el84, datenblatt, electronics el84, alldatasheet, free, datasheet, datasheets, data sheet, datas. The 12ax7 is a miniature highmu twin triode, each section of which has an individual cathode connection.
General output pentode in miniature ghss envelope with indirectly healed cathode designed for use as low li. This is not a problem, its normal for the 12ax7 eh. May 23, 20 the 12ax7 is a miniature highmu twin triode, each section of which has an individual cathode connection. Nuvistors were also produced in europe by philipsmullard, siemens and lorenz and in russia.
Kt886550 compatible single ended amplifier 5th jan 2014 using fladance mp player 8w rms. There are hundreds of pages of tube amp information on my library page. 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. The harma is a specially testedselected valve which is of european manufacture and takes its roots from the m. Jj electronic vacuum tubes, capacitors, amplifiers. Eirc electronic tubes factory data sheet el84 page 1 of 8 telephone. Output pendode el34 is an octal power tube with a maximum plate power of 25w. Noval u f 6,3 v i f 0,760 ma typical characteristic. The el84 is smaller and more sensitive than the octal 6v6 that was widely used around the world until the 1960s. Pushpull pp el84 tube amplifier schematic ecc83 input. Installed a matched pair of these tad el84 strs in my vox night train 15h and got a loud hum after taking the amp off standby, after a warm up for 34 minutes.
Sv572160 sv57210 sv81110 tube 811a 6l6 pentode el84 tube tube 6l6 6ca7 sv572160 text. The very successful el84 is the last development step from el3 via el41 to the final point of radio output pentodes. Power tubes el84 el34 6l6 kt66 6550 kt88 el846bq5 sovtek el84. The electroharmonix is oem in most current guitar amplifiers. The valve has the widest frequency response and the highest plate dissipation, 30 watts, out of all the valves tested. Electroharmonix is one of the largest tube manufacturers in the world. The philips ecl84 is a triode output pentode amplifier designed for class a1 use. The pentode was designed for use as a video output stage. Its dissipation power was increased from 9 to 12 watts, giving an output power of 5.
Sep 18, 2019 el84 datasheet pdf vacuum tube philips, pentode triode, el84 pdf, el84 pinout, el84 equivalent, el84 data, circuit, el84 schematic, el84 manual. Next time you need to retube, insist on tubes from electroharmonix. Buy electroharmonix el84 vacuum tubes online, in stock and ready to ship. Vacuum tube el84, electroharmonix antique electronic supply. P06p03g, p06p03lcg pchannel logic level enhancement mode fet, p06p03g pdf download niko semiconductor, p06p03g datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits.
The triode section was designed for a variety of uses including sync separation. Tube amp doctor opted for the thickest glass possible and the heaviest construction available, just like the russian el84m, and combined these features with the sonically most promising cathode plate option. One other note about the construction of these electro harmonix 12ax7 tubes is they have filaments that are almost completely encased in the plate structure. The plain strings are made from the same high carbon steel as the hex cores. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 70 mm tall. This amplifier was originally featured on the october 2003 issue of the highfidelity audio. It is used in the power output stages of audio amplifiers, most commonly now in guitar amplifiers, but originally in radios. Introduced in 1958 when the uk had a 405 line vhf television service and a video bandwidth of 3 mhz maximum. The tungsol el846bq5 was a popular oem tube for americanmade el846bq5 guitar amplifiers, such as those built by gibson and harmony. These tubes have a slightly larger diameter than other el84 tubes so they can not be installed into some 90s era marshall dsl201 or dsl401 amplifiers, some 90s era reissue vox ac15. Nov 17, 2016 el34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Atarashi designed this amplifier based on the el84 schematic diagram published by rogers in england.
They require about 50v less voltage than el84 and draw a bit more current. The el84 eh tube is a remarkable reproduction of a vintage tube that is capable of maintaining its sweet and musical tone under any voltage conditions. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. A good way to describe the tone in one word would be to call it cardboard. 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. It is intended for audio frequency power amplification service in either pentode, ultralinear or triode connection and single or pushpullparallel applications. The electroharmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. A wide variety of el84 amplifier options are available to you, such as channels, type testing el84 pp amp. Most of the datasheets are in pdf format and some are links to other html pages. The el84 output pentode was introduced by mullard in 1954. A recommended output tube replacement for peavey classic 30 and fender blues junior. El34 world tube amp building information the el34 world tube amp library of information click the link above for tube amp info, tube amp schematics, tube amplifier circuit board building information, tube projects, amp mods, tube amp transformer diagrams, photos, sound clips. Output pentode quick reference data anode current ia48ma transcoductance s11,3mav amplification g2g119 output power wo6w heating.
El84 datasheet pdf vacuum tube philips, pentode triode, el84 pdf, el84 pinout, el84 equivalent, el84 data, circuit, el84 schematic, el84 manual. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. El84 datasheet pdf pentode triode, vacuum tube philips. El34 datasheet vacuum tube of power pentode philips. Due to many requests by fans of our tungsol line of tubes, the tungsol el846bq5 has been reissued. Eh14a datasheet, eh14a pdf, eh14a data sheet, eh14a manual, eh14a pdf, eh14a, datenblatt, electronics eh14a, alldatasheet, free, datasheet, datasheets, data sheet. El34 is a glass envelope power pentode having a plate dissipation rating of 25 watts with convection cooling. Petersburg, russia, and is designed to be a direct replacement for any el346ca7 or equivalent. The tube has the same pinout as el84 and is a bit more powerfull. Please see the substitutes at the top of the page for more details. Vacuum tube el84, tube amp doctor antique electronic supply.
El84 ul pushpull stereo power amplifier with hashimoto transformers. Philips, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The el84eh tube is a remarkable reproduction of a vintage tube that is capable of maintaining its sweet and musical tone under any voltage conditions. If you want great tubes at a reasonable price, then our tubes and tube accessories should be on your list.
Latest version with support rods to reduce microphonics. El34s is an economical method to achieve high quality sound with a minimum of driving stage components. Gain and volume all the way down, the amp is self biasing. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what. Output pentode suitable for use in power amplification quick reference data anode current ia100ma transcoductance s12,5mav amplification mg2g111 output power, class b wo100w heating heating is indirect by ac or dc, with parallel supply. Sep 06, 2014 pushpull pp el84 tube amplifier schematic ecc83 input pushpull pp el84 tube amplifier schematic with ecc83 input stage. The sound can be described as very harmonic in the middle and treble frequencies, without adding too much power. El84 datasheet, el84 datasheets, el84 pdf, el84 circuit.
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