Ecc88 tube pdf converter

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. I nput standard gold plated cinches, alps selector 21in3, preh pot 210klog. In their numbering system the 6dj8 was an ecc88, the 6922 was an e88cc and the 7308 was an e188cc. Vacuum tube 6922 e88cc, jj electronics antique electronic. The newly produced telefunken e88cctk gold pin tube resurrects the transparent tone and harmonic impact of historical. Physical space is a consideration, since the tube is about onehalf inch taller than the rest of the tubes on this page. Nov 29, 2009 just after some opinions on what people feel are the cream of the current production ecc88 valves. With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. Which are the best of current production ecc88 valves. It just means the tube will have a longer life in your amp. What is the difference between 6922, ecc88, and e88cc. The ecc88 was designed for service as a cascode amplifier in the front ends of vhf radio receivers.

Tube depot not only sells vacuum tubes we also carry an extensive line of tube mount sockets, holders, adapters, bases, tube retainers and much more. Vacuum tube 6922 e88cc, jj electronics amplified parts. Real pcc88 are drop in replacements for ecc88 6dj8e88cc with a slightly higher heater specification of 7 volts producing a much longer life and lower noise threshold when used in place of ecc88 6dj8. I know each tube has different characteristics, but generally speaking am i bound to run into some problems doing that, or is it a nono altogether. The filament current draw is also slightly higher but for most applications it is plug and play compatible with the 6922, 7308, cca, or even the 6dj8. 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. These specifications are provided asis, with no warranty of any kind. It all sounded a tiny bit less spacious and ever so slightly more grey. These siemens pcc88 are drop in replacements for ecc88 6dj8e88cc with a slightly higher heater specification of 7 volts producing a much longer life and lower noise threshold when used in place of ecc88 6dj8. For example, audio illusion 3a tube preamp is known to eat tubes because it is design to drive the tube hard. The europeans used different model numbers to identify these tubes, by the way.

I pitched the idea of a 6dj8 shootout to noam shortly after i read tims 6l6 comparison. Just unplug your 12ax7 tube, plug in the adapter, and then plug in 6n2p tube and you are ready to rock. High reliability version of 6dj8 with slightly higher power rating. Seeking an ultralow noise, ultra musical ecc808 6dj8 6922 for your phono or line stage here it is. High frequency twin triode preamplifier tube used in studio and hifi. However, while in most applications it isnt a problem, the 6dj8 isnt always usable in 6922 applications.

The 6922 is the improved version designed to lower microphonics and improve life span. So take each tube on its own individual merits rather than judging it by its model number or pin material gold pins do not necessarily better sound. These beautiful philipsamperex holland tubes are rare outofproduction and were made in heerlen, holland in 1967. The general type is noval meaning with 9 pins and the pinout is identical to many western novals like 6dj8, 6922, ecc88. Europeanproduced version of the tube is designated ecc88. The ecc88 is a vhf double triode with separate cathodes. An e88cc, is the european designation,for a 6922, and was made to be the industrial upgrade, to a ecc88. Vacuum tube 6922 e88cc, electroharmonix amplified parts. Tube buffer tube e88cc nos tesla ch, or ecc88 os siemens standard metalfilm resistors.

One of the easiest ways, to tell them apart, is the specifications, for an e88cc, called for coated pins. Unfollow ecc88 tube telefunken to stop getting updates on your ebay feed. Versions of the tube are named ecc88, e88cc, 6922, 6n23p, and 6n11. The srpp circuit has also been referred to as a sepp, totem pole, mu follower, mu amplifier and cascoded cathode follower. Tube ecf 82 or rohre ecf82 id3894, triodepentode, noval, b9a and frequency converter shown. The overall sound is slightly less refined and dynamics seem a little bit blunted compared to the eat sound. All the circuit gain is in the single output stage. Some types, particularly the e80f, e88cc and e90cc, had a constricted section. Real pcc88 are drop in replacements for ecc886dj8e88cc with a slightly higher heater specification of 7 volts producing a much longer life and lower noise threshold when used in place of ecc886dj8. Teac cd 5020 cd loader for audio reproduction output tube each ch. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production e88cc6922 available. What is the difference between 6922, ecc88, and e88cc tubes.

It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Welcome to tubedepot javascript must be enabled to use this site. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Use free online file conversion tool to convert 20247 files such as pdf, image, video, document, audio and other formats into other formats to enhance creativity and productivity. The only tube that would take the beating is the sovteks. This unusual tube is basically a 7308 e188cc in a slightly taller bottle. Siemens introduced their own super ecc88 6dj8 at the same time under cca type. The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube. Also the circuit diagram for ecc89 cascode stage clearly implies agc. Diy 6dj8 ecc88 tube hifi headphone amplifier project. Just after some opinions on what people feel are the cream of the current production ecc88 valves. Below is our current selection of 6922 e88cc 6dj8 audio tubes. Output amplifier lm 3875 inverted setup gain ca 30db. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes.

Asahi kasei ak4495s 32bit 768khz signalnoise ratio. We offer some of the most comprehensive testing facilities available today. 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. Watford valves, one of europes leading suppliers of tested, graded and guaranteed valves to the professional music industry. Asahi kasei ak4497 32bit 192khz with upsampling signalnoise ratio. This exhibit is of earlier manufacture than ecc88 as can be seen by the logo. For more information on 6922 e88cc 6dj8 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6922 in wikipedia, 6922 in duncan amps, and 6922 in the tube directory. Comparing the s curve graphs for ecc88 and ecc89 referenced by golfguru above it looks like ecc89 is indeed a semiremote tube.

It is a higher speced tube, than the ecc88 6dj8 ie. Nos siemens pcc88 tube pair for 6dj8 6922 e88cc preamps. Tube accessories vacuum tube amplifier sets vacuum tubes wire yellow jackets tube converters. Eimac power grid tubes quick reference catalog 175 pdf. Real siemens pcc88 are drop in replacements for ecc886dj8e88cc these beautiful nos siemens tubes are outofproduction. Use of these parameters shall be entirely at the users own risk. These siemens pcc88 are drop in replacements for ecc886dj8e88cc with a slightly higher heater specification of 7 volts producing a much longer life and lower noise threshold when used in place of ecc886dj8. An industrial improvedhigher ratings version of the tube was designated 6922 e88cc between 1959 and 1961. Im finding it increasingly hard to find good nos valves, particuarly at a price i am happy to pay. Swapping back to the eat ecc88 valve resulted in a sound that was a bit more open and lively, with more texture and presence.

Real siemens pcc88 are drop in replacements for ecc88 6dj8e88cc these beautiful nos siemens tubes are outofproduction. This is one of many possible variations for a symmetrical srpp preamplifier based around the 6dj8 ecc88 family of tubes. Is it fine to put a 6922 tube into a preamp that is using 12ax7 tube, the shape is the same, same amount of pins, so my question is can i. Not that my gear uses any 6l6s, but being a tube nerd i read it anyway. Most have gold plated pins, but many sylvania manufactured 6922s have steel pins a few sylvanias are gold pin. Default price low to high price high to low name az name za newest.