Electro harmonix 5501 2nd street long island city, ny 11101. According to 12ax7 datasheet, the 12ax7 is a miniature highmu win triode each section of which has an individual cathcode connection. Vacuum tube 12ax7 ecc83, electroharmonix amplified parts. Tungsol is a registered trademark with electroharmonix. Printer friendly version of this page compare similar items. It is manufactured in russia and is a very durable valve. The electro harmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. It is a premium quality 12au7 tube built to match the performance of the militaryindustrial original ge 6189 tube. The model of the 12ax7 is a popular tube these days because it is cheap and gets the job done pretty well.
Our new ehx strings electro harmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. Matched pair of 12ax7 preamp vacuum tubes also ecc83, 7025 high gain preamplifier tube with ultra low noise and detailed, musical tone. The 12ax7 is especially suited for use in resistancecoupled voltage amplifiers, phase inverters, multivibrators, and numerous industrialcontrol circuits where high voltage gain is desierd. Electroharmonix tubes are quite simply the absolute best. Warranty information and return policy warranty period. Electro harmonix 12ax7 preamp vacuum tube ecc83 matched. Many oems use relabeled electro harmonix vacuum tubes in their amplifiers. The eh 12au7 replaced the v3 reverb driver 12at7 in my blackface super reverb with hammond tank. They are a good blend of tone, reliability and price. Vacuum tube 12ax7 ecc83, jj electronics amplified parts. Tube depot carries a selection of 12ax7 ecc83 7025 cv4004 pre amp vacuum tubes. If you want great tubes at a reasonable price, then our tubes and tube accessories should be on your list. The electro harmonix ecc82 12au7 gold pin is made in russia and provides a rich, warm and well balanced sound. This is the electro harmonixs 6h30pi twin triode tube.
Most of these datasheets are in english except where noted otherwise. Ecc82 datasheetpdf list of unclassifed manufacturers. Rca and sylvania first introduced the 12ax7 to the world in the late 1940s. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. Electro harmonix tubes are all new designs and are of excellent quality. Jan 03, 2020 ecc83 datasheet pdf as of update the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich produces tubes under the sovtek, electroharmonix, svetlana, tungsoland other brands for which the firm has acquired trademark rightsone in china shuguangand one in datasheeg jj electronicfor a. The electro harmonix is oem in most current guitar amplifiers.
Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. The jj electronic 12ax7 ecc83 has quickly become a modern classic in preamp tubes. 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. Electroharmonix el34 power tube el34eh electroharmonix. Jj ecc83 s 12ax7 datasheet pdf download adobe acrobat pdf reader. The electro harmonix 12au7a ecc82 is a brand new preamp tube that is made in russia. If you want great sounding tubes at a very reasonable price, then electro harmonix tubes should be on your l el34eh. Type 12ax7 is a commercial equivalent of the cv492. Ecc83 datasheet pdf as of update the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich produces tubes under the sovtek, electroharmonix, svetlana, tungsoland other brands for which the firm has acquired trademark rightsone in china shuguangand one in datasheeg jj electronicfor a. Due to its rugged construction and conservative ratings, it is the most reliable current production el84 type available for use in vox ac30 type amplifiers.
Electro harmonix 12au7a ecc82eh datasheet pdf download adobe acrobat pdf reader. It was released for public sale under the 12ax7 identifier on september 15, 1947. Electroharmonix 12ax7 ecc83 preamp vacuum tubes three. Next time you need to retube, insist on tubes from electroharmonix. Due to the method of production in regards to the glass, measurements may vary slightly. Vacuum tube 12au7a ecc82, electroharmonix amplified parts. Electroharmonix is one of the largest tube manufacturers in the world.
Absolute sound quality of a tube itself isnt critical in this position so expensive nos isnt a must, its just a matter of degree of drive gain, how that makes the reverb tank sound both tonally and in terms of sproingyness, and how it affects the useful setting range of the reverb control knob. The 12ax7 is a highgain typical amplification factorlowplatecurrent triode best suited for lowlevel audio voltage amplification. High gain, ultralow microphonics, and superb linearity with a dynamic 3d sound. For hifi purposes, you must use the normal ones, of what i get supplied. Block diagram, pinout and 6h30pi circuit application inside. The electro harmonix 12au7ecc82 is a premium quality low gain preamp tube that is great for low noise applications. These valves give a very rich tone and are sonically sweet. Electro harmonix b power triode tube with gold pinsmade in russiapremium version of the b eh with gold harnonix wire for increased bias stability as well as top of the line sonics and harmonnix. Electroharmonix tubes are all new designs and are of excellent quality. View pdf brochure for 12ax7 ecc83 electro harmonix twin triode.
Vacuum tube 12ax7 ecc83, electroharmonix image 1 vacuum tube. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and. They make this tube with slightly different data on purpose, to get a special kind of distortion, in amplifiers for electric guitar, which their chief engineer jc morrison refereed to me as brown sound. The 12ax7 was originally intended as replacement for. Our new ehx strings electro harmonix electric guitar strings are customdesigned to our specifications and made in the usa by a.
Along the way i also tried electro harmonix 12ax7s harsh, like the sovteks, groove tubes better, but not as good as jjs. Due to the combination of low gridplate capacitance and medium gain, it is suited for use in audio voltage amplifier with an extended frequency range. The electro harmonix 12ax7 is definitely a good choice for your amp. The electro harmonix el84 power pentode is the perfect replacement for the vox ac30 output tubes also recommended output tube replacement for peavey classic 30 and fender blues junior. The electro harmonix el84 power pentode is the perfect replacement for the vox ac30 output tubes. We design and manufacture our tubes, engineered for demanding high. It was developed around 1946 by rca engineers in camden, new jersey, under developmental number a4522. Electroharmonix 12ax7 is a quality replacement for 7025. Many oems use relabeled electroharmonix vacuum tubes in their amplifiers. It was released for public sale under the 12ax7 identifier on september 15, retrieved from s. Mar 19, 2020 as of dtaasheet the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich produces tubes under the sovtek, electro harmonix, svetlana, tungsoland other brands for which the firm has acquired trademark rightsone in china shuguangand one in slovakia jj electronicfor a datsheet annual.
Lecc83, 7025 ou 12ax7, est une petite double triode a fort gain en tension. It is designed on the vintage short plate 14mm anode design but uses a 22mm glass envelope to help reduce microphonics. The 12ax7 was originally intended as replacement for the 6sl7 family of dualtriode amplifier tubes for. You can use acrobat for viewing and printing pdf files. Most of the datasheets are in pdf format and some are links to other html pages. In european usage specialquality valves of some sort were often indicated by exchanging letters and digits in the name. The sound is nice much smoother than the jj 6v6 i had in there previously. Tubes free delivery possible on eligible purchases. The tungsol el846bq5 was a popular oem tube for americanmade el846bq5 guitar amplifiers, such as those built by gibson and harmony. Electro harmonix 6h30pi datasheet pdf datasheet catalog. The electro harmonix 12ax7 ecc83 is a hi gain preamp tube that produces the right. Glad i made this purchase, you cant go wrong w any of electro harmonix products electro harmonix 12ax7 tubes is they have filaments that are almost completely encased in the plate structure.
Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. This tube is great for the driver position in amplifiers and provides an excellent and detailed soundstage that is impressive. The electroharmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. Your other choices are the gt12ax7m mullard copy which is a long plate tube and while a little noiser than some others it. The 5814a is a militaryindustrial grade 12au7 with low noise and high. Buy electroharmonix 12ax7 ecc83 preamp vacuum tubes three pack. The electroharmonix 12ax7 is definitely a good choice for your amp. The plain strings are made from the same high carbon steel as the hex cores. The electroharmonix is oem in most current guitar amplifiers. The balanced tone of the jj 12ax7 works well in any amp. Latest version with support rods to reduce microphonics. The 12ax7eh is a dual high mu triode with a spiral filament and special construction to minimize microphonic behavior. Electroharmonix, svetlana, tungsoland other brands for which the firm has acquired trademark rightsone in china shuguangand one in slovakia jj electronicfor a datsheet annual production estimated at two million units. I then replaced the sovtek el84 power tubes with jj el84s and the tone.
The electro harmonix 12ax7 is a standard tube that can be used for a variety of applications, but i use these for my guitar amplifier. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use ac on the filaments. Eric is correct that the 12ax7eh electro harmonix is the same as the gt12ax7r, however the gt is guaranteed for 6 months as all their tube are. Many amp manufacturers fit these as original equipment. Ecc83 datasheet pdf as of update the 12ax7 was made in various versions by two factories in russia winged c, formerly svetlana, and new sensorwhich produces tubes under the sovtek, electro harmonix, svetlana, tungsoland other brands for which the firm has acquired trademark rightsone in china shuguangand one in datasheeg jj electronicfor a. Also recommended output tube replacement for peavey classic 30 and fender blues junior. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. The electro harmonix 12ax7 is highly recommended for hifi and guitar amp applications. Double triode, ecc82 datasheet, ecc82 circuit, ecc82 data sheet. If you want great sounding tubes at a very reasonable price, then electroharmonix tubes should be on your l el34eh. Electro harmonix tubes are quite simply the absolute best. At the bottom of this page youll find some links to other tube datasheet sites in. Manufacturing quality is good, internal structures are usual but for the coil spring support for the filament wires.
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