Ecc88 tube pdf converter

Tube ecf 82 or rohre ecf82 id3894, triodepentode, noval, b9a and frequency converter shown. What is the difference between 6922, ecc88, and e88cc tubes. 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. Not that my gear uses any 6l6s, but being a tube nerd i read it anyway. To my knowledge this tube has been produced only in soviet union the. Seeking an ultralow noise, ultra musical ecc808 6dj8 6922 for your phono or line stage here it is. The ecc88 was designed for service as a cascode amplifier in the front ends of vhf radio receivers. 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. In their numbering system the 6dj8 was an ecc88, the 6922 was an e88cc and the 7308 was an e188cc. Vacuum tube 6922 e88cc, electroharmonix amplified parts. It all sounded a tiny bit less spacious and ever so slightly more grey. 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.

The only tube that would take the beating is the sovteks. Use of these parameters shall be entirely at the users own risk. We offer some of the most comprehensive testing facilities available today. Watford valves, one of europes leading suppliers of tested, graded and guaranteed valves to the professional music industry. Real siemens pcc88 are drop in replacements for ecc886dj8e88cc these beautiful nos siemens tubes are outofproduction. 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. Default price low to high price high to low name az name za newest. Tube buffer tube e88cc nos tesla ch, or ecc88 os siemens standard metalfilm resistors. This exhibit is of earlier manufacture than ecc88 as can be seen by the logo.

High frequency twin triode preamplifier tube used in studio and hifi. The overall sound is slightly less refined and dynamics seem a little bit blunted compared to the eat sound. 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. The srpp circuit has also been referred to as a sepp, totem pole, mu follower, mu amplifier and cascoded cathode follower. Swapping back to the eat ecc88 valve resulted in a sound that was a bit more open and lively, with more texture and presence. 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. Output amplifier lm 3875 inverted setup gain ca 30db. The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube.

The newly produced telefunken e88cctk gold pin tube resurrects the transparent tone and harmonic impact of historical. This unusual tube is basically a 7308 e188cc in a slightly taller bottle. 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. 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. Any recommendations and a brief overview of their sonic characteristcs would be much appreciated. Eimac power grid tubes quick reference catalog 175 pdf. However, while in most applications it isnt a problem, the 6dj8 isnt always usable in 6922 applications. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production e88cc6922 available. 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. Also the circuit diagram for ecc89 cascode stage clearly implies agc. Some types, particularly the e80f, e88cc and e90cc, had a constricted section. 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. An industrial improvedhigher ratings version of the tube was designated 6922 e88cc between 1959 and 1961. 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.

Asahi kasei ak4497 32bit 192khz with upsampling signalnoise ratio. 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. Nos siemens pcc88 tube pair for 6dj8 6922 e88cc preamps. Vacuum tube 6922 e88cc, jj electronics antique electronic. Diy 6dj8 ecc88 tube hifi headphone amplifier project. What is the difference between 6922, ecc88, and e88cc. The 6922 is the improved version designed to lower microphonics and improve life span.

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. Nov 29, 2009 just after some opinions on what people feel are the cream of the current production ecc88 valves. Real siemens pcc88 are drop in replacements for ecc88 6dj8e88cc these beautiful nos siemens tubes are outofproduction. The general type is noval meaning with 9 pins and the pinout is identical to many western novals like 6dj8, 6922, ecc88. Teac cd 5020 cd loader for audio reproduction output tube each ch. 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. I pitched the idea of a 6dj8 shootout to noam shortly after i read tims 6l6 comparison. This tubes high end clarity and warm smooth mids make the jj e88cc and. These beautiful philipsamperex holland tubes are rare outofproduction and were made in heerlen, holland in 1967. One triode acted as the local oscillator and the other as the mixer frequency changer.

Europeanproduced version of the tube is designated ecc88. One of the easiest ways, to tell them apart, is the specifications, for an e88cc, called for coated pins. In most cases the tubes manufactured to the european system have an exact equivalent tube in the american system and vice versa. Which are the best of current production ecc88 valves. Vacuum tube 6922 e88cc, jj electronics the jj electronic e88cc 6922 is a great replacement for any 6922, 6dj8, or e88cc tube. Comparing the s curve graphs for ecc88 and ecc89 referenced by golfguru above it looks like ecc89 is indeed a semiremote tube.

Although not originally designed for the purpose, it became popular in hifi audio amplifiers. An e88cc, is the european designation,for a 6922, and was made to be the industrial upgrade, to a ecc88. Welcome to tubedepot javascript must be enabled to use this site. The europeans used different model numbers to identify these tubes, by the way. It just means the tube will have a longer life in your amp. Im finding it increasingly hard to find good nos valves, particuarly at a price i am happy to pay. All the circuit gain is in the single output stage. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Siemens introduced their own super ecc88 6dj8 at the same time under cca type. Below is our current selection of 6922 e88cc 6dj8 audio tubes. Hexode, miniatur7pinbase b7g, usa 1940 and frequency converter shown. It is distinguished by its very high transconductance, mostly the result of its frame grid construction.

Most have gold plated pins, but many sylvania manufactured 6922s have steel pins a few sylvanias are gold pin. Vacuum tube 6922 e88cc, jj electronics amplified parts. Tube accessories vacuum tube amplifier sets vacuum tubes wire yellow jackets tube converters. Just after some opinions on what people feel are the cream of the current production ecc88 valves. The tube 6h1n can replace tube 6h1n, 6n1, ecc85, 6922, 6dj8 e88cc or ecc88. Specification sheet for gold t6922goldeh specification sheet for gold. High reliability version of 6dj8 with slightly higher power rating. Physical space is a consideration, since the tube is about onehalf inch taller than the rest of the tubes on this page. Unfollow ecc88 tube telefunken to stop getting updates on your ebay feed. These specifications are provided asis, with no warranty of any kind. The ecc88 is a vhf double triode with separate cathodes. 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. Just unplug your 12ax7 tube, plug in the adapter, and then plug in 6n2p tube and you are ready to rock. It is a higher speced tube, than the ecc88 6dj8 ie.