However, while in most applications it isnt a problem, the 6dj8 isnt always usable in 6922 applications. The tube is manufactured by the voshod plant in kaluga, russia. Sep 24, 20 e88cc 6922 is the next member up in the 6dj8 family. Tighter section matching, lower noise, lower microphonics, higher ratings for lifespan, designed for tougherrougher demands of industrial equipment governmentmilitary and manufacturers like tektronix and hp bought these for critical areas in test equipment.
The 6dj8 is a miniature ninepin medium gain dual triode vacuum tube. E88cc6922 is the next member up in the 6dj8 family. U a0 550 v u ala0 400 v u a 220 v u aw ar e 88c or rohre e88c id4035, triode, vacuum, noval, b9a and uhf shown. After reading this post, i got myself a telefunken e88cc off ebay and now i am in love with this mic. 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.
As expensive as telefunken tubes are, this was a lot cheaper than buying a telefunken cu29 which i still may do because id love to compare the. In fact, among the 3 tube preamps i created, this 6922 preamp sounds the best, it has the most resolution details and having excellent dynamics. The genalex gold lion e88cc 6922 is a premium grade selected small signal twintriode that is a suitable replacement for all 6dj8, ecc88, 6922, e88cc, and 7308 types. You can use acrobat for viewing and printing pdf files. Equivalent to the e88cc, 6dj8 and 7308 valve type too. Most have gold plated pins, but many sylvania manufactured 6922s have steel pins a few sylvanias are gold pin. You are using audio grade tubes with the siemens e88cc, which have a sonicsignature that reproduces not only the odd harmonics 5 etc. The mullard advert in 1957 introducing the e88cc gives the application areas as computing, switching and scaling. Typically there are two most important and usually conflicting parameters maximum voltage swing and linearity.
Very sweet sounding, with extended dynamic range and remains quiet. It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Genalex gold lion 6922 e88cc 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. These amazing tubes are known for their amazing midrange and detailed inner respolution and have some of the highest strength and test results we have seen in any. I have three different types, even all grey u getter and d getter, the earliest types from 50s. At the bottom, there is a number between the gold plated pins. Specification sheet for gold t6922goldeh specification sheet for gold 32. They are premium, special version of e88cc with same capacitance for both triode systems, selected for low noise and microphonics. But unless aesthetix were particularly pennypinching in the design of the calypsos power supply the extra 10% or so of current shouldnt bother it at all any valve will draw loads more than that for a few seconds at switchon. With the siemens halske e88cc you are going to hear all the frequencies passing through your system, the more sensitive the tube the more you will hear. We got a sealed case of 100 pcs so we can provide extremely tight matching. Actual tubes were tested on the stateoftheart amplitrex at electron tube test system.
The codes are written in two lines on standard tubes and in two rows on special tubes as e88cc on the glass close to the base. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production e88cc 6922 available. This unusual tube is basically a 7308 e188cc in a slightly taller bottle. All tubes new, military equipment and have otk mark. Platinum grade tubes, e88cc ecc88 6dj8 genalex gold lion pair. Vacuum tube 6922 e88cc, jj electronics antique electronic. I like it so much that i searched for the best 6922 e88cc tubes to use in it. What is the difference between 6922, ecc88, and e88cc. The 6922 is the improved version designed to lower microphonics and improve life span. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production e88cc6922. Click this button to get the free adobe acrobat reader. This tubes high end clarity and warm smooth mids make the jj e88cc and excellent choice for hifi preamps and.
Tube 6dj8 or rohre 6dj8 id4763, double triode, noval, b9a and shown. E88cc pdf, e88cc description, e88cc datasheets, e88cc view. They are some of the best sounding 6dj8 ecc88 6922 e88cc ever made. Default price low to high price high to low name az name za newest. I have always been amazed at the sound quality improvements that some of the better of these tubes made. This is a premium 69226dj8, with low noise and microphonics. Versions of the tube are named ecc88, e88cc, 6922, 6n23p, and 6n11. Preamp tubes 6922 6dj8 7308 pcc88 tube basics and faq. Rode ntk tube replacement telefunken e88cc mullard.
They are designed with low microphonics and low noise. Vocals sound gorgeous, full and lush with this tube. Jan 27, 2014 with the siemens halske e88cc you are going to hear all the frequencies passing through your system, the more sensitive the tube the more you will hear. Well made vintage versions of this tube are quite low noise and can be found in many tube preamplifiers, phono preamps, and headphone amplifiers. E88cc datasheet, e88cc datasheets, e88cc pdf, e88cc circuit. Made in heerlenholland 0k4 made 197 0 in november k 4th week. Most realistic sounding holographic soundstage, pure seductive sonic joy, complex symphonic. The 6dj8 is a twin triode in a small 9pin miniature glass package, with a very high transconductance for each triode unit. 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. Depending on who the manufacturer is you might find that one or other of them has a 335ma heater rather than the much more common 300ma one.
For example the king of all tube receivers siemens 125e101a has used 52 of them. Purchase 6922 e88cc vacuum tubes online, in stock and ready to ship. I like it so much that i searched for the best 6922e88cc tubes to use in it. They have been commonly used in old tube test equipment and in radio receivers. Just suffice to say that this waswithout a doubtone of the biggest improvements ive ever made in my studioever. Cca siemens, gold pins, one of the best sounding ecc88 6dj8 e88cc 6922 together with telefunken diamond mark and philips and amperex, possible close matching. Tube special qualty triode,alldatasheet, datasheet, datasheet search site for electronic.
One of the easiest ways, to tell them apart, is the specifications, for an e88cc, called for coated pins. Purchase genalex gold lion e88cc 6922 vacuum tubes online, in stock and ready to ship. 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. The newly produced telefunken e88cctk gold pin tube resurrects the transparent tone and harmonic impact of historical. What is the difference between 6922, ecc88, and e88cc tubes. The siemens e88cc has the date code stamped on a metal plate inside the tube. All these properties make the 6922 a good choice as a preamp tube. Siemens e88cc silver shield this pair of siemens e88cc tube is from the later siemens production as it got the silver shield between the plates. It provides very smooth mids and high end with a lot of detail. Aug 30, 20 depending on who the manufacturer is you might find that one or other of them has a 335ma heater rather than the much more common 300ma one. This tube was also widely used in tektronix oscilloscopes and other.
We determined the 6922s operating point restrictions in the previous post. Most recently i have been active on the lyr tube rolling threads, but also use this tube in my modded dac, and in two. Philips, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. An e88cc, is the european designation,for a 6922, and was made to be the industrial upgrade, to a ecc88. High frequency twin triode preamplifier tube used in studio and hifi equipment. Tubes free delivery possible on eligible purchases. The tungsram 6922 e88cc is a perfect choice for phono stages and other hifi gear. Jj e88cc 6922 vacuum tube the slovak heritage of superior industrial craftsmanship continues with the newly expanded line of jj vacuum tubes. Tube special qualty triode, e88cc datasheet, e88cc circuit, e88cc data sheet. The e88cc tube type is equivalent to the north american 6922 6dj8 tube and can be used in any 6922, 6dj8 or e88cc ecc88 circuit. Below is our current selection of 6922 e88cc 6dj8 audio tubes.
Rode ntk tube replacement telefunken e88cc mullard 6922. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a base pins, is 45 mm tall. Nos valvo amperex pcc88 for 6922 e88cc tube preamp wow. Physical space is a consideration, since the tube is about onehalf inch taller than the rest of the tubes on this page. Germany, a frame, single stage disc getter, a6 xx codes, from 70s.
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