The electro harmonix 12ax7 is definitely a good choice for your amp. 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. Matched pair of 12ax7 preamp vacuum tubes also ecc83, 7025 high gain preamplifier tube with ultra low noise and detailed, musical tone. The electroharmonix 12ax7 is definitely a good choice for your amp. High gain, ultralow microphonics, and superb linearity with a dynamic 3d sound. The biggest difference for the positive is when i switched to tad el84 tubes better overall sound and it did sound better than the mullard el84 even with all the hype. We burnin, test, and match all of our electroharmonix tubes. In september of 1950 tungsol introduced the 5881, an uprated and industrial version of the 6l6ga with a 23. The el84 is the most common low power pentode tube, popularized in early vox ac30 amps. Ive had a lot of bad ones when they first came out but atm their reliability is on par with other modern tubes. The electro harmonix c9 organ machine builds on the popularity of the b9 organ machine with nine new organ models, offering unbelievably realistic keyboard tones through your guitar.
Would the eh 12ax7 tubes have more brightness and edge over the jj ecc83s. This rugged tube also found a home in the 59 fender bassman and servo amplifiers used in b52 bombers. Mullard 12ax7 ecc83 new production preamp vacuum tube. This 12ax7electro harmonix has become one of the best sounding current production 12ax7ecc83 types made today. The 5814a is a militaryindustrial grade 12au7 with low noise and highreliability spec. Electroharmonix 2880 users reference manual pdf download. After finally arriving i had the wind taken out of my sails when it didnt work. It is designed on the vintage short plate 14mm anode design but uses a 22mm glass envelope to help reduce microphonics. Discussion in the workbench started by pittbull, may, 20. Electro harmonix also offers replacement tubes for the difficult to find 7868, 7591, 6bm8ecl82, and 6973 power tubes.
The electro harmonix el84 power pentode is the perfect replacement for the vox ac30 output tubes. Electroharmonix el34 this tube now has my seal of approval. Due to the method of production in regards to the glass, measurements may vary slightly. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use ac on the filaments. Most of the datasheets are in pdf format and some are links to other html pages.
The pins are plated with gold to prevent corrosion and to protect the pins. The electroharmonix 12au7a ecc82 is a brand new preamp tube that is made in russia. It is manufactured in russia and is a very durable valve. Files are available under licenses specified on their description page. Then keep the manual close by to use as a reference guide. Electroharmonix was the first company to introduce, manufacture, and market affordable stateofthe art stompboxes and remains a pioneer and leading manufacturer of guitar effects pedals. They exhibit a large detailed soundstage that is sought after by discerning audiophiles who demand the highest quality sound.
Electro harmonics is a very large music accessory manufacturer, with products like guitar strings, effect pedals, etc. We suggest the electroharmonix or philips tubes for more vintage tone in fenders, and. It is popular with tube amplifier enthusiasts, and its ongoing use in such equipment makes it one of the few smallsignal vacuum tubes in continuous production since it was introduced. In my opinion, there is very little or no performance difference in these two lines of tubes. Unboxedthe electro harmonix 12ax7eh has been modeled after the famous telefunken ecc83. Download a pdf file of gain comparison of current production 12ax7s here. New yorkbased electroharmonix was founded by mike matthews in 1968. It is best known for a series of popular guitar effects pedals introduced in the 1970s and 1990s. Electroharmonix gold pair two new 12ax7 12ax7eh gold pin tubes. The electro harmonix 12au7ecc82 is a premium quality low gain preamp tube that is great for low noise applications. Ecc8212au7aelectro harmonix gold pin watford valves. The 12ax7eh is a dual high mu triode with a spiral filament and special construction to minimize microphonic behavior. Because of our tradition of supplying the highest quality tubes, we are. Our new ehx strings electro harmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer.
Next time you need to retube, insist on tubes from electroharmonix. With over 40 years of history behind them, electroharmonix effects pedals have contributed to some of musics alltime most iconic records. Outfit your amplifier with an electro harmonix 12ax7 ecc83 vintage tube, and recapture the sound of classic rock and roll, mellow blues, oldtime jazz, or powerful orchestral music. I just went though a series of tests, which included the new electroharmonix branded el34 and 12ax7 tubes. Electroharmonix 12ax7 is a quality replacement for 7025. Our new ehx strings electroharmonix electric guitar strings are customdesigned to our specifications and made in the usa by a premiere string manufacturer. Vacuum tube 12ax7 ecc83, electroharmonix amplified parts.
Featuring a sturdy short plate design and a unique spiralwound filament design, the eh 12ax7eh gives great clarity and tone with very low noise compared to. Electroharmonix ravish sitar by proguitarshopdemos. Electro harmonix valves matched, graded and guaranteed the electro harmonix brand of tubes are used by many of the leading amplifier manufacturers. View and download electroharmonix 2880 users reference manual online. Many amp manufacturers fit these as original equipment. Electroharmonix kt88 vacuum tube high power kinklesstetrode for use in. Electro harmonix s platinum matching process consists of a 24hour tube burnin period followed by a bias plate current measurement in milliamps. Unknown to most people, eh also made a line of guitars in the 70s. Electroharmonix owns 100% of the largest remaining vacuum factory in the world.
All structured data from the file and property namespaces is available under the creative commons cc0 license. I purchased this pedal with great anticipation to add to my pedal board. Your other choices are the gt12ax7m mullard copy which is a long plate tube and while a little noiser than some others it is excellent in certain applications. Seeing an opportunity in the market, matthews started building partnerships to produce devices under his brand. Unique spiral filament eliminates that filamenttocathode induced hum. It can be used as a master clock for sequencers and drum machines, and to trigger electronic percussion products like the ehx. As a matter of fact, some of the early electroharmonix units were so solid that theyre still the standard for effects pedals of. Follow this product to see new listings in your feed. Media in category 12ax7ecc83 the following 48 files are in this category, out of 48 total. Vacuum tube 12ax7 ecc83, electroharmonix image 1 vacuum tube. The electro harmonix 12au7a ecc82 gold tubes are a goldplated pin version of their very popular preamp tube.
Todays electroharmonix tubes are constructed to the highest standards for reliability and sound quality. In the 1970s, electroharmonix was the first company to pack an effects unit into a stompboxsized package. Electroharmonix introduces the oceans 12 featuring two simultaneous, independent, stereo reverb engines, series and parallel control for the dual reverbs, 24 presets and advanced io allowing for stereo inout, splitting reverbs to left and right channels, or mono sendreturn with pre and post reverb options. Excellent audio valve that is very popular with our audio customers. The electro harmonix ecc82 12au7 gold pin is made in russia and provides a rich, warm and well balanced sound.
If you have a sonic frontiers or arc they will help you have a more palpable. Latest version with support rods to reduce microphonics. The new analogizer thaws out digitally processed guitar, and gives you the sound and feel of an analog delay without the long delay. When they did that, they laid the foundation for every effects pedal on every stage in the world today. Electroharmonix is one of the largest tube manufacturers in the world. I had these electro harmonix el84 tubes in my glow audio amp one. It was a time which saw a growing demand for guitar pedals following their use by the rolling stones and jimi hendrix. Tubes free delivery possible on eligible purchases. Soft, medium, and hard style descriptions refer to break up modes of the tube for an overdriven guitar signal. The electro harmonix 12ax7 ecc83 vintage tube delivers a balanced and pure sound, due to its plate structure almost completely encasing the filament. If you want great tubes at a reasonable price, then our tubes and tube accessories should be on your list. They are a good blend of tone, reliability and price. Electroharmonixs clockworks is a faithful reissue of the classic pedal made by electroharmonix in the 1970s. Electroharmonix was founded in 1968 by mike matthews, and he had a simple idea in mind.
Softrated tubes break up easier and have the least headroom, yielding a heavier. These valves give a very rich tone and are sonically sweet. 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. I wanted to get 2 mullard el84 tubes to try out, got them put them in and not much difference. Preamp tube corresponds to ecc83, unique spiral filament eliminates the filamenttocathode induced hum common on amps that use ac on the filaments, especially for input stages. These are some of the lowest noise, lowest microphonics 12ax7 ecc83 type preamp tubes in the world. On, sponsored content refers to articles, videos, or audio recordings that are produced or curated by an advertiser but that premier guitar is happy to share alongside our own editorial content due to the sponsored contents educational, musical, or entertainment value. He took a job as a salesman for ibm in 1967, but shortly afterwards, in partnership with bill berko, an audio repairman who claimed to have his own custom circuit for a fuzz pedal, he jobbed construction of the new pedal to a. Superior high gain short plate format twin triode, with ultralow noise and detailed.
Electroharmonix superego synth engine by proguitarshopdemos. Electro harmonix 12ax7ecc83 vintage tube for sale online. Our thoughts go out to all who are affected by covid19. Ive used electro harmonix pedals in the past and have performed pretty good for the cost. Dependable, especially after our tubezilla screening. Electro harmonix, 300b, 12ax7, 6l6, hot rox uk hot rox uk. Ehx releases a lot of pedals, and sometimes multiple versions with slight. A little more energy than the svetlana, so if you need a little more clarity, and pop on top this may be the ticket. The electro harmonix 6v6 is warm sounding, with a sweet sustain and crunchy overdrive, making it a very musical tube. The 6922 preamp tube produced by electro harmonix is also outstanding. The manual is divided into the following basic sections. The electro harmonix 12au7a ecc82 is a brand new preamp tube that is made in russia.
Electro harmonix 6922 this was boxed a number of ways. Electro harmonix 12ax7 preamp vacuum tube ecc83 matched. Called ehx for short, the company was founded by mike matthews in new york city back in 1968, around the time that effects pedals were starting to enter the mainstream. Electroharmonix deluxe memory man 550tt by proguitarshopdemos. The valve has a very rigid internal construction, thick grade glass and short plates. This 12ax7 electro harmonix has become one of the best sounding current production 12ax7 ecc83 types made today.
They are available to offer you personalized product advice any time you need it. It is a premium quality 12au7 tube built to match the performance of the militaryindustrial original ge 6189 tube. It provides high gain with ultra low noise and a detailed musical tone that rivals the most desirable nos types. That may sound strange today, in a world where effects are considered standard equipment. Free shipping on many items browse your favorite brands. Electroharmonix voice box quick start manual pdf download. The model of the 12ax7 is a popular tube these days because it is cheap and gets the job done pretty well. For audiophiles, the 300b and 2a3 gold grid output tubes are both fantastic sounding and very affordable. Buy electroharmonix 12ax7 ecc83 preamp vacuum tubes three pack. Sweetwater s sales engineers are regarded as the most experienced and knowledgeable professionals in the music industry, with extensive music backgrounds and intense training on the latest products and technologies. Thank you for purchasing the electroharmonix 95000 performance loop laboratory. Data sheets for 12ax7 original mullard data pdf file click here. Also recommended output tube replacement for peavey classic 30 and fender blues junior.
Double triode quick reference data anode current ia1,2ma transcoductance s1,6mav amplification 100 heating heating is indirect by ac od dc, with serial or parallel supply. Electro harmonix tubes are quite simply the absolute best. Electro harmonix pedals ehx are some of the oldest and most respected effects for guitar and bass. Get the best deals on electroharmonix when you shop the largest online selection at. Electroharmonix el84 matched power tubes medium quartet. Sponsored content is clearly labeled everywhere it. Each wound string is precision wrapped with round nickelplated steel onto a high carbon, hexagonshaped steel core. These are electro harmonix el84eh power tubes in platinum matched sets. Pricing above includes matching in any quantity you need at no extra charge. Electroharmonix deluxe memory man 550 tap tempo by proguitarshopdemos. You can use acrobat for viewing and printing pdf files. They currently come in electro harmonix boxes, but weve also had them branded sovtek, or with the original military markings calling them a 6h23. Original genalex gold lion ecc83 b759 tubes are considered among the best 12ax7 types ever made.
The electro harmonix is oem in most current guitar amplifiers. Electroharmonix 12ax7 ecc83 preamp vacuum tubes three pack. It is a premium quality 12au7 tube built to match the performance of the. The 12ax7, also known as ecc83, is a vacuum tube that is a miniature dual triode 6av6 with high voltage gain. Electroharmonix tubes are distributed by new sensor in new york, who is also the importer distributor of the sovtek line of tubes. The 12ax7 is the american part number for the ecc83. View and download electroharmonix voice box quick start manual online. The sound is nice much smoother than the jj 6v6 i had in there previously. Please set aside some time to read this manual and familiarize yourself with this unique instruments layout and operation. Electroharmonixs platinum matching process consists of a 24hour tube burnin period followed by a bias plate current measurement in milliamps. We design and manufacture our tubes, engineered for demanding high.
This tube is great for the driver position in amplifiers and provides an excellent and detailed soundstage that is impressive. Tungsol 12ax7 ecc83 vacuum tube valve tungsol valves by electro harmonix. The first shot, 2 extremely microphonic 12ax7s, since they were in the return period, aes sent replacements. You can buy these from us a greatly discounted prices saving you s scroll down and you wil find, power tubes output, preamp and rectifier tubes. Unique spiral filament eliminates the filamenttocathode induced hum common on amps that use ac on the filaments. The plain strings are made from the same high carbon steel as the hex cores. Buy electroharmonix el84 vacuum tube, matched pair. Ehx also selects the best tubes well balanced, best test data etc for their gold line. Electroharmonix 12ax7 preamp tube 12ax7eh electroharmonix. The new electro harmonix 12ax7eh is a good choice in marshalls for those who want a more vintage sound or think the jjteslas are too bright. They have their tubes made by their own specifications, in several tube factories around the world, mainly incl. Electroharmonix is a new yorkbased company that makes highend electronic audio processors and sells rebranded vacuum tubes. Out of 5 tubes, 2 12at7s and 3 12ax7s, every single one was bad.
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