Valves use high voltages and these voltages are dangerous. The gold pin versions are brighter and produce raspy distortion whereas the standard versions are smooth and rich and allow you to dial in whatever high end you want on your amp without getting raspy and edgy. Transtutors free access accounts solution pdf download. 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. The output stage of the circuit is a cathode follower and is suitable to drive a low impedance amplifier. Like all jj preamp tubes, these are built into a rugged package using the spiral filament and robust plate structure resulting in low. Ecc81 datasheet pdf, ecc81 data sheet, ecc81, ecc81. The jj ecc82 is a good solid reliable valve that gives a good rich sound. A high performance, long plate version of the ecc82 12au7.
I see there is a ecc802s gold pin version that has long plates. Each half is sensibly equivalent to one ec90 triode. Ecc82 is 12au7 medium gain preamplifying double triode. This preamp tube is a good choice if your amplifier has more gain than you need and you are looking to take it down a notch from what a 12ax7 is giving you. I wanted this as it has the lowest gain of the preamp tubes, 16. The 12au7 is a double triode with separate cathodes.
Designed as audio and general purpose triodes, two independent valves exist in the envelope. It belongs to a large family of dual triode vacuum tubes which share the same pinout retma 9a. Order jj ecc802s 12au7 gold vacuum tubes online, in stock and ready to ship. Vacuum tube ecc802 12au7, jj electronics, long plate. The gold pin jj ecc82 is designed to be a premium version of the jj ecc82. Jj ecc82 12au7 tubevalve effectrode the real solution was. There are some small differences, but most of the tube data is close. Price includes vat and second class post in the uk.
The overall voltage gain of the circuit is about 8. The 6sl7 type of valve has the same base as output valves such as the 6v6, 6l6, el34 etc and were bulky, so the ecc8x family made a lower power, much smaller preamp valve. It belongs to a large family of dual triode vacuum tubes which share the same. This schematic below is a simple two stage linelevel preamplifier using a single 12au7 ecc82 tube per channel. Jj ecc803 discussion in amps and cabs started by mvd18969, sep 22, 2008. The 12au7 and its variants are a miniature ninepin b9a base mediumgain dual triode vacuum tube. Click the select a file button above, or drag and drop a file into the drop zone. When reading the data sheet, first thing you see is. Jj ecc82s versus ecc802s tubes canuck audio mart hifi. Quick reference, connected to earth, the more favourable triode section of the tube with regard to hum is the section connected to pins 6, 7 and 8. Its easy to turn a jpg or other image file into a pdf. It was widely used, in specialquality versions datashert as e82cc and a, in presemiconductor digital computer circuitry. U a 250 v u g 8,5 v i a 10,5 ma s 2,2 mav r i 7,7 k. Double triode quick reference data anode current ia10,5ma transcoductance s2,2mav amplification 17 heating heating is indirect by ac od dc, with serial or parallel supply.
Its large plates gives a warm and rich sound with a tight deep bass. These jj electronics ecc82 12au7 were the very first tubes i purchased and to date the only ones. Ecc82 datasheetpdf list of unclassifed manufacturers. My pre came stock with a set of the jj ecc82 s gold pin 12au7. But ok, this is mass behavior, and that is hard to discuss. They are reliable, well made, reasonably priced, and they sound very good imho. Diy ecc802s 12au7 ecc82 vacuum tube srpp preamplifier.
The side view of the anode shows the ridges pressed into the sheet to aid rigidity. Get the guaranteed best price on preamp tubes like the jj electronics 12au7 ecc82 preamp vacuum tube at musicians friend. Mullard ecc81 12at7 6201 gold pin when only the finest possible 12at7 ecc81 will do. Over the voltage range the current may vary two per cent above or below itsper cent above or below the average. Jj ecc802s 12au7 gold datasheet pdf download adobe acrobat. We have the ecc81 ecc82 ecc83 was introduced specifically for audio applications way back in 1954 to replace the earlier 6sl7 octal based valves.
Edicron ecc82 edicron ecc82 jj double triode valve radio frequency twin triode valve from edicron intended for javascript is currently disabled in your browser, please turn it on to avoid loss of functionality. This tube is a premium replacement for all 12au7, ecc82. Jj electronics 12au7 ecc82 preamp vacuum tube musicians. The gain in this case fit right in with one of my favorite tube types the ecc802s. Triode electronics triode usa tube amp kits transformers. The gold pin tubes have a very open and lush character. Ua 300 v wa 2,5 w ik 15 ma ug 50 v ukf 90 v rg 1 m. Double triode ecc82 is 12au7 medium gain preamplifying double triode. Warranty information and return policy warranty period. Gittervorapannung 939 0673 philips ecc818 vgv 7r031s5 i. The jj electronic ecc802 is a high performance, long plate version of the ecc82 12au7.
Noval uf 6,312,6 v if 300150 ma typical characteristics. The jj electronic 12ax7 ecc83 has quickly become a modern classic in preamp tubes. If you have a pdf with preexisting tables or forms that are not fillable, then you can try using the automatic form field recognition feature in pdfelement to convert an adobe pdf to fillable form. The jj electronic 12au7 ecc82 is a medium gain dual triode built with the. Download a pdf file of all 211 pages at once by clicking here.
Substitutes 6189, 12au7wa, e82cc, cv4003, ecc82 and 12au7 type tubes to be able to use tube amp doctor onlineshop in full range, we recommend. Omitting the output transformer, avoiding overall negative feedback and using good coupling capacitors guarantees a highly linear frequency characteristic, while certain construction methods yield low channel crosstalk. Valve experts know that even power valves that can deliver several. Get a low price and free shipping on thousands of items. Jj electronic gold pin jj ecc82 is designed to be a. Jj ecc81 and ecc82 preamp tubes new in the box not used. Jj ecc82 12au7 jj electronic servicehelp downloads product q wholesaleoem inquire ampservice technical suport. Easiest way to convert pdf to fillable form pdfelement. When clipping they have a very smooth and singing tone thats less gritty and less aggressive than the original ecc82.
Anders sieht es moglicherweise in hfschaltungen wie dem genannten grundig 4040w3d aus. Ecc82 datasheet, pdf alldatasheet this memorandum describes the general concept of nixie tube timesharing in terms of block diagrams andcathode current, the brightness compensation is achieved by using a higher current level when the tube is energized. The ruggedized jj ecc802s gold pin features a noise canceling spiral design filament. Others may prefer different tubes but i have had good success with the ecc802s from jj tesla. Jj electronics 12au7 ecc82 preamp vacuum tube musician. Double triode,alldatasheet, datasheet, datasheet search site for electronic components and. Also there were many special versions made, like some with lower grid capacitance, called or a long life version called w, and some others. The long and short of it is that these tubes saved my amplifier and made it usable. Provides a very smooth sound with welldefined tones suitable for audio and guitar amplifiers.
Articles containing potentially dated statements from all articles containing potentially dated statements articles needing additional references from december all articles needing additional references. A headphone amplifier with outstanding sound quality can be built using readily available modern components. The jj 12au7 is built in the same fashion as the legendary 12ax7 jj. The actual design process for a srpp stage is really best started with some type of modeling program. A guide to ecc83 type preamp valves valve tube guitar amps. At the bottom of this page youll find some links to other tube datasheet sites in case you cant find what youre looking for here. After uploading, acrobat automatically converts the file. Jun 19, 2019 12ax7 datasheetpdf general electric company.
Like all jj preamp tubes, these are built into a rugged package using the spiral filament and robust plate. Vacuum tube 12au7 ecc82, jj electronics antique electronic. The ecc82 isused in marshall and vox amps and these are great solid sounding amps. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Jj tubes are my preferred tube manufacturer these days. Jj tesla ecc802s 12au7 cryo gold pin single cryoset. Ecc82 datasheet, ecc82 datasheets, ecc82 pdf, ecc82 circuit. Otl headphone amplifier with ecc82 12au7 elektor magazine. Most of the datasheets are in pdf format and some are links to other html pages.
The coating helps improve radiation efficiency for better cooling. 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. Ecc82 pdf, ecc82 description, ecc82 datasheets, ecc82 view. Make offer one 1 siemens ecc82 12au7, long plate, dgetter, tests nos, 1956 munich prod. Double triode 5 ugv iama uav25 20 15 10 5 0 0 0 5 10 15 20 50 100 150 200 250 300 350 400. The jj electronic 12au7 ecc82 is a medium gain dual triode built with the quality and reliability that weve come to expect from a jj tube. The ecc802s is a variation of the 12au7 ecc82 family of vacuum tubes. Pdf ecc82 7z0s05953 ecc82 ecc82 tube ecc82 tube data ecc8 ecc82 triode.
Jj electronics 12au7 ecc82 preamp vacuum tube guitar center. Please see the substitutes at the top of the page for more details. Just curious as to what the sonic character of the long plates might be compared to the ecc82. Try findchips pro for tube ecc if this ecc8 is followed, there will be little variation in output power when the tube is. I find the biggest difference in sound when rolling tubes in my icon stereo20 pp integrated amp is realized when changing out the pair of ecc82 phasesplitters. Solid construction and extreme attention to detail make this tube one of the best preamp. Ecc82 datasheet pdf list of unclassifed manufacturers. This 12au7 offers smooth tones and clear definition which is why its no surprise that this tube is often found in hifi equipment as well as guitar amplifiers. Jj ecc82 12au7 datasheet pdf download adobe acrobat pdf reader.
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