Ecc88 tube pdf printer

Ecc89 and ecc88 interchangeable micron tubes asylum. Computer fundamentals pdf format what is a pdf file. After finished my simple 12ax7 tube preamp, i decided to try other medium mu tubes, including the 12au7 and also this 6922. Ecc88 datasheet, ecc88 pdf, ecc88 data sheet, ecc88 manual, ecc88 pdf, ecc88, datenblatt, electronics ecc88, alldatasheet, free, datasheet, datasheets, data sheet. Datasheet ecc88 pdf twin triode 1page datasheeg frame grid wire is so datashet, when you open up a defective tube, you can not see it with the bare eye. Yin for airiness a treble tilt, yang for a rich creamy midrange and tilt to the bass. Do you think your design will drive hd600650 better. It all sounded a tiny bit less spacious and ever so slightly more grey. This is not possible for the most wanted part numebrs. Print to pdf creates an electronic copy of your file that you can save to disk. The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube. This exhibit is of earlier manufacture than ecc88 as can be seen by the logo. Instead of a physical printer, you can select adobe pdf in almost any windows or mac os application. Unfollow ecc88 tube telefunken to stop getting updates on your ebay feed.

Firstly some background i have always found it fun to upgrade some of the components in mf gear and i cant remember a time when it didnt reap some benefit. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production e88cc6922 available. This is one of two premium versions of the 6dj8 tube. Hi, just after some opinions on what people feel are the cream of the current production ecc88 valves.

Firstly some background i have always found it fun to upgrade some of the components in mf gear and i cant remember a time when it. The 6922 6dj8 tube type is equivalent to the european ecc88 e88cc tube and can be used in any 6922, 6dj8 or ecc88 circuit. Seeking an ultralow noise, ultra musical ecc808 6dj8 6922 for your phono or line stage here it is. The genalex gold lion e88cc6922 is a premium grade selected small signal twintriode that is a suitable replacement for all 6dj8, ecc88, 6922, e88cc, and 7308 types. Both units were recently serviced and had sovtek tubes installed. They really dont stand out in the usual amplifiers driver stage and in. All the circuit gain is in the single output stage. Cutepdf convert to pdf for free, free pdf utilities.

I was wondering if anyone could recommend the best brand i. Ecc88 6dj8 types e88cc 6922 7308 6dj8 ecc88 cca siemens telefunken philips brimar mullard amperex diamond bottom, golden pins, the best choice for audio d getter ecc88 6dj8 cca e88cc 6922 pcc88 e188cc 7308 7dj8 pcc189. The electroharmonix 6922eh tube is a brand new preamp tube. Nos siemens pcc88 tube pair for 6dj8 6922 e88cc preamps. Is the tube overly titled in one direction or another. I was lucky enough to stumble upon a philips e288cc sq. Warranty information and return policy warranty period. Diy audio projects forum 6dj8 ecc88 tube headphone amp. This tube now replaces the sovtek 6922 which is no longer available. You will find thousands of tubes or valves with interesting links. These specifications are provided asis, with no warranty of any kind. Ecc89 and ecc88 interchangeable micron tubes asylum tubes asylum.

A all round great performing preamp tubes used in both hifi systems and guitar amps. Tube depot carries a selection of 6dj8 6922 ecc88 e88cc cv2492 pre amp vacuum tubes. Use of these parameters shall be entirely at the users own risk. Mostamperex, mullard, philips and valvo tubes are marked with a group of symbols which contain coded information relating to the type, place of manufacture or country of origin, and the date of manufacture. Mullard 6dj8 tubes are excellent as well, but are more difficult to find. The 6922 6dj8 tube type is equivalent to the european ecc88 e88cc tube and. Versions of the tube are named ecc88, e88cc, 6922, 6n23p, and 6n11. You reach this tube or valve page from a search after clicking the tubes tab or by clicking a tube on a radio model page. Watford valves, one of europes leading suppliers of tested, graded and guaranteed valves to the professional music industry. They often made 6dj8 tubes for other labels, like rca, zenith, and other usa brands. What is the difference between 6922, ecc88, and e88cc tubes. Celebrating the history and quality of vacuum tube technology. I visited another site, where the builder made ecc88 otl heaphone amp using 3 of ecc88 tubes, and found it is very interesting, too. Nos siemens halske e88cc 6922 greyshield holy grail of the 6922 family.

Make pdf booklets, impose nup pages, combine pdf files, add watermarks, edit forms, add comments, add headers and footers, rearrange pages, security, digital signature, scan, ftp and much more. Tube e88cc,6922, 6dj8, ecc88 valvo goldpin red print. We offer some of the most comprehensive testing facilities available today. So it is excellent as a driver for power tubes like 845, 300b or 6c33c. An e88cc, is the european designation,for a 6922, and was made to be the industrial upgrade, to a ecc88. The overall sound is slightly less refined and dynamics seem a little bit blunted compared to the eat sound. For more information on 12at7 vacuum tubes including pinouts, ratings, datasheets, applications, and possible substitutions visit 12at7 in wikipedia, 12at7 in duncan amps, and 12at7 in the tube directory back to top. I already tried a lot of tubes in the 6dj869227308 family, but this one outperforms them all. For me the best tubes get it right in the middle and actually have heaps of both. Diy 6dj8 ecc88 tube hifi headphone amplifier project.

Comments and questions about this project are welcome in the 6dj8 ecc88 tube headphone amp project thread. This is the reason why jan tested tubes are so often agvailable as commercial tubes also. Im finding it increasingly hard to find good nos valves, particuarly at a price i am happy to pay. One of the easiest ways, to tell them apart, is the specifications, for an e88cc, called for coated pins. 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. Tube e88cc,6922, 6dj8,ecc88 valvo goldpin red print youtube. Ecc83 telefunken 12ax7 e88cc telefunken 6922 straight getter arm dynaco st70 6gh8a driver board pc. The founder and main writer, who passed away last year, harry pearson was just an amazing. The ecc88 or 6922 is a miniature 9pin medium gain 33mu dual triode tube. So dont start spending fortunes on very rare tubes first try out the cheaper ones so you get a feeling of what you can achieve with tube rolling.

Fabulous original 1960s vintage white label german made telefunken ecc88 6dj8 tubes, bottom diamond marked and telefunken factory label coded. Ecc88 6dj8 telefunken selected tube with red tips or tektronix labels, white label, west germany made, diamond mark. The correct russian equivalent to the 6dj8ecc88 is the 6n23p, the latter has a s of 12. If i had an amp that took 6922, is it ok if i filled it with ecc88. I hope you enjoy this headphone amp project as much as i have. It has currently found a use as a driver tube in hifi tube amplifiers such as audio. It is a higher speced tube, than the ecc88 6dj8 ie. Ive tried lots of different tubes in the 69226dj8 ecc88 tube family and the best sounding ive found are the late 50s, early 60s made in holland amperex ec88s with the.

Nov 29, 2009 hi, just after some opinions on what people feel are the cream of the current production ecc88 valves. Printing a file to pdf using the adobe pdf printer flattens the file. The highest quality speaker driver units that you can find. It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Aug 04, 2008 just thougt id share some interesting experience in tube rolling in the ecc88 valve buffer stage of my modified mf kw250s recently. Most have gold plated pins, but many sylvania manufactured 6922s have steel pins a few sylvanias are gold pin.

The late great harry pearson founder of the absolute sound used the yinyang analogy. The general type is noval meaning with 9 pins and the pinout is identical to many western novals like 6dj8, 6922, ecc88. Which are the best of current production ecc88 valves. There are plenty of tube options as the tube headphone amplifier should work well with most the 6dj8 ecc88 and 6922 e88cc tubes. Since these tubes come in many different sizes and capacities, its very important to know exactly which type is right for your device before you proceed. The design is almost the same as the 12ax7 preamp, it is a single gain stage triode tube with cathode follower. Just thougt id share some interesting experience in tube rolling in the ecc88 valve buffer stage of my modified mf kw250s recently. Preamp tubes 6922 6dj8 7308 pcc88 tube basics and faq. Real siemens pcc88 are drop in replacements for ecc88 6dj8e88cc these beautiful nos siemens tubes are outofproduction. The most frauded tubes there are ecc803s and ecc88, because thes are practically unavailable as nos tubes.

These beautiful siemens tubes are outofproduction and were made in w. Swapping back to the eat ecc88 valve resulted in a sound that was a bit more open and lively, with more texture and presence. Ecc88 e88cc 6922 dual triode the ecc88 or 6922 is a miniature 9pin medium gain 33mu dual triode tube. Check the tube s top for ridges, the label for where it was manufactured and if everything checks out, buy it. High reliability version of 6dj8 with slightly higher power rating. The ecc88 is a vhf double triode with separate cathodes. Any recommendations and a brief overview of their sonic characteristcs would be much appreciate. This low power tube headphone amplifier is designed along the lines of the oddwatt power amplifiers, except that this headamp does not require a driver stage. Due to high conductance requirements, 6dj86922 type tubes require special construction called frame grid. These are the later technology, and also a technology only dataaheet few could make.

Dont trust it when a sellers offers those repeatedly for low prices. Apr 10, 2020 please feel free to ask any questions and to post comments about the diy 6dj8 ecc88 tube hifi headphone amplifier project in this forum thread. This tube excist as normal grid tube and as frame grid tube. View pdf brochure for e88cc 6922 6dj8 jj electronics. Now includes the form filler for free oneoff license fee. E88cc ecc88, 6922, 6dj8, ecc 88 telefunken straight getter arm e188cc philips miniwatt 7308 e188cc philips used e188cc valvo 7308 holland heerlen e288cc siemens germany rebranded philips 8223 ecc88 6dj8 ei yugoslavia a frame philips construction bulk 49 eur mp ecc88 6dj8 ei yugoslavia ecc88 6dj8 philips dimpled disc getter a frame. The tubes in the cd player only have about 10 hrs on them, but the sound isnt nearly as warm as it was before replacing the stock tubes. One triode acted as the local oscillator and the other as the mixer frequency changer.