6dj8 vs 6922 A 6922 will work in a 6DJ8 circuit. Been using 6922-based preamps for a long time, and I'd like to get feedback on how a 6SN7 based pre would sound. 6DJ8/6922, all of these have an identical or very similar pinout. However, a 6dj8 can use a much lower RL to increase its bandwidth, and increase the ratio. I use them in a cocktail with their 6 volt brethren all the time for top results. 7308 E188CC Mullard England NOS 1970’s. Virtual Systems Let A replacement for the 6DJ8 that I really like is the 6CG7/6FQ7. You can still RE: Amperex 6922 PQ USA vs Amperex 6dj8 Holland. i assert that most current generation components are not tube sensitive. Used – Very Good. Click to expand I have a shiit vali headphone amp that uses this tube and went through quite a few before settling one and The 12AX7 is great for noise and low distortion, but is bad at bandwidth, making it a poor choice if you want passive EQ. A simple, brief answer - yes, they are all interchangeable with absolutely no problems. 00 and up. But if you’re looking to use valuable NOS, then you E88CC / 6922(premium 6DJ8) Amperex PQ orange or green label USA made, gold pins. I quit buying most of the so-called NOS ones. These tubes show up from time to time on Audiogon. •7308 / E188CC is generally the highest quality tube in the 6DJ8/ECC88 family. Price 1 off (excluding vat+p&p) Electro Harmonix 6922 - £28. This sets its vibrational sensitivity lower so it is more robust and less susceptible to microphonic distortion . Because of its extraordinarily high transconductance So 350mA vs 365mA is well within normal variations. I have done some tube swapping in a preamp between Sovtek 6922, older RCA 6DJ8, NOS Philips JAN 6922, and Amperex 7308. REVIEW: Mullard ECC88 aka 6922,6DJ8 Tubes . I enjoy the EF91 in my LD 1+ as well. This is unconnected in a true 9AJ style pinout, but is the center-connection of the heater in a plain 9A style. 04 JJ Electronic E88CC / 6922 Gold Pin - £33. Textronics and others used them in oscilloscopes and other high performance test equipment. Upgrading for: ECC88, E88CC, 6922, 6DJ8, 7308 The NOS 6N23P-EV (cyrillic 6H23π-EB) tube is a very noticeable upgrade over the Electro Harmonix 6922 tube. BTW, the 6DJ8 was designed with high plate current and low plate voltage in mind. P65Warnings. I find the NOS tubes offer different approaches. Also, in your 3/1 post, Good ole Duncan. Base: NOVAL Uf = 6,3 V f = 365 mA. 1; 2; First Prev 2 of And the 6DJ8 / 6922 are not very equivalent to the 6N1P. Both of my old school printed manuals say this for the 6922, "Industrial 6DJ8. Most have gold plated pins, but many Sylvania manufactured 6922's have steel pins (a few Sylvania's are gold pin). I'm wondering if there is any substantial benefit to going Not an exact sub for 6N1P - which is closer to a 6CG7 but with twice the gain. I found a matched quad of RCA 6ES8 tubes in a box that isn't labeled but should say: "Things I have no idea why I'm keeping. Amperex PQ 6922 vs Amperex PQ 7308. on these types of tubes is supposedly, 6DJ8 lowest, 6922 and then the 7308. Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. 6922? Alright tube aficionados, are 6DJ8 and 6922 tubes inter-changeable? I would ask Roger Modjeski or Tim de Paravicini, but they're both dead. solarol Active Member. The 6DJ8 and 6922 have high transconductance, Gm; the 6N1P has medium transconductance, Gm. 6922/E88CC are drop-in compatible high reliability version of The Genalex Gold Lion E88CC/6922 preamp tube is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. Both of my Audio Research preamps came stock with 6922's. Subscriber. In my system, while the Russian rocket logo 6N1P's were indeed very quiet, they're a bit sterile for my tastes. I have several that you can try and buy if you happen to like them. hifidiy论坛-6922、6n11、 6dj8、 e88cc、 ecc88 只有6n11 不知道其他替代品声音特色和区别在哪了？价格差异太大，不敢轻易拍，所以先问问没事的排个序吧 6N23P-EV / 6H23P-EB Duo-Triode NOS/Russia ersetzt/upgraded : ECC88, E88CC, 6922, 6DJ8, 7308 Die NOS 6N23P-EV (=kyrillic 6H23π-EB) tube is a very noticeable upgrade over the Electro Harmonix 6922 tube. 6922 = E88CC = CCa (Siemens Type) all three of them marked "longlife" 6DJ8 = ECC88 The only minor differences in the Data of the E88CC=6922 and the ECC88=6DJ8 are the following: 6DJ8 6922 max. It will beat any current production 6DJ8/6922 hands down. Liked the 7308 best, and that's what I have in there now, but the differences are subtle. ECC88 / 6DJ8: Shares similar pinout and characteristics but differs slightly in ECC88 = 6DJ8 ECC83 = 12AX7 ECC88 is a frame grid, high frequency twin triode. If designing an invisible sounding preamp What That's not "bashing"; it is simply a statement of fact. No one has mentioned the 7308 tube, which is a direct replacement for the 6DJ8 / 6922. 6CG7, 6AQ8, 6DT8, 6BQ7, 6BK7, 6BS8 etc. Sylvania 6922 (6DJ8, ECC88) Hi-Fidelity pre-amp tube. EH 6922 have deeper sub bass vs the others but lack high end clarity. The 6DJ8 was the original design dating back to '58 that was used in my '81 Audio Research SP-6C. In most cases, its interchangeable. New & NOS tubes from Electro-Harmonix & other brands! 6dj8/6922/7308 In my opinion a very musical tube. Parts arrived 6922 | E88CC Tubes ; Tesla ECC88 / 6DJ8 Preamp Vacuum Tube ; 6922 = E88CC = CCa (Siemens Type) all three of them marked "longlife" 6DJ8 = ECC88 The only minor differences in the Data of the E88CC=6922 and the ECC88=6DJ8 are Re: 6ES8 as a sub for 6DJ8/6922/7308??? « Reply #1 on: 9 Jun 2008, 01:30 am » It will work fine as a cathode follower but not well as a gain stage because of the variable mu. Other JJ Works perfect in each & every 6DJ8/6922 preamp circuit we've tested & seen. European designation is ECC88. All prices are per tube. These latter two were premium versions rated as 10,000 hour life tubes. Have you ever used an 7DJ8/PCC88 tube? It uses a 7 volt heater vs. Alright tube aficionados, are 6DJ8 and 6922 tubes inter-changeable? I would ask Roger Modjeski or Tim de Paravicini, but they're both dead. 365mA), it is a direct plug-in replacement for the 6DJ8, ECC88 or 6922. Your Mileage May Vary. I use a Hegel HD2 and B&W CM8s. I am sure we will all learn from what each of us are using and useful to have everything in one thread. 68 Jan Philips USA 6922 - £47. Worldwide shipping. With vintage tubes going way up, the Voskhod 6N23P are supposedly a viable good sounding alternative to much more expensive NOS types of 6922/7308/6DJ8/7DJ8 versions. 2016-12-08 10:44 pm #23 2016-12-08 10:44 pm As for sound, both will sound thin (lack of body) and lean when compare to decent NOS tubes from pre-1980 period. But the Magus is a preamp so not exactly the same usage. Russian 6N1P-EV feature very low distortion, medium transconductance, higher plate voltage According to the internet (not always right), 6N11 can substitute any of these: ECC88, E88CC, 6922, 6DJ8 and 7308. ECC88 6DJ8 CCa E88CC 6922 PCC88 E188CC 7308 7DJ8 PCC189. 95 $ 185. njunis. All of my pairs The 6DJ8 nos tubes I have tried in the headphone amp are all more colored and microphonic than the Phillips 6922. New Price $27 + $12 Shipping. F. 6BQ7/6BZ7/6BC8 is a near-exact replacement for the 6N1P. The problem with this series of Frame Grid Double Triode tubes is that they are notorious for being noisy or microphonic. 6922 vs 6sn7 "High transconductance tubes like 6922 are not good for sound" Depends on the design, parts, and which brands are used. Recommended for Audible Illusions Modulus preamps. As such they are the Russian equivalent of the 6922 / 6dj8 /et al. Often it is subbed for a 6DJ8 in many apps and can work well there. Even has almost the same transconductance (the 6922/6DJ8 is considerably higher, which can upset the bias in some circuits). Direct Replacement or Higher Quality. It crosses to 6GM8, which being in the US, you might find easier to locate. 5000+ ohms) and is usually used with higher standing current (approx. So I recently acquired a JAS Audio Array 2. I think Upscale Audio may have some and you can find them on eBay. Create an 6N1P-EV / 6DJ8 / ECC88 / 6922 Voskhod tube $ 8. 95. Two things to note: Many claim the 6DJ8 and 6922 are not the same tube. A bit warm & smooth while presenting good detail and definition. 118. The pecking order for quality/build tolerance/etc. Regards, Gordon. The Sovtek 6922 is the best current production tube. The As much as I found these tubes to be really special – I always had a nagging feeling that the best of the very best of the 6922's out there – like the legendary Siemens early 60's Cca's or the Amperex 6922 '60's Pinched I found in my MFA Magus preamp, that the 6922 and 7308 were all better than the 6dj8. I was under the impression that 7119/56877044 differences were of the same order as the deltas between the 6DJ8 vs 6922 vs 7308. It has a low(ish) internal resistance (approx. On the gain tubes, the plate voltages are all about 175VDC, still too much for the 6922 unless ECC88 vs E88CC (6DJ8 vs 6922) - and a case for the 8223. IDENTICLE FRAME-GRID CONSTRUCTION TO TELEFUNKEN E88CC OR CCa ! PICTURES OF 1968 This is true, however, real tubes also show a significant variance from notional parameters, the match between 6DJ8/6922/ECC88 and 5670/396A/2C51 is close enough that they work even Tesla ECC88 / 6DJ8 - in stock and ready to ship! A recent customer comment: That went smoothly. Member. I've got the Amperex Orange Globe 6DJ8's - they're some of the best of the 6DJ8/6922/7308 tubes. The Tungsram E88CC is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. Off the top of my head this would be ARC, Sonic Frontiers, later CJ's and Audible Illusions*. Currently using NOS Sylvania 6550's, which have a different sonic signature as compared to a SED 6550C, for example. Even the more modestly priced Amperex Bugle Boy/A Frame, Siemens 6922 w/gold pins and Mullard 6DJ8/6922 will offer much better sonics. Also enjoyed USA Amperex 6922 PQ and Holland made basic 6DJ8 types. prelius AK Subscriber. I have not heard the pinched-waist, but I can give you my impressions of the Holland Amperex 6922, the base version to the pinched-waist tube. 6h23P-EB vs 6922 in the input stage of the Wolcott or other tube amplifiers. Jul 5, 2012 #6 According to the The JJ was killing that amp. I have a Sonic Frontiers Line 2 preamp and a Cary 6DJ8 vs. So I Here I compare for you the Russian 6N23P vs Siemens CCATelefunken E88C Gold PinMullard Ecc88 subtle buy clear differences, Let me know what you think ! The preamp uses 4 6DJ8 and 1 12AX7 (I don't use the phono). The PCB design is done, but I never had it made to test to ensure everything will work. In my first foray into tube-rolling with the Vali, I bought a few valves off Amazon (surprisingly good selection!) There’s a number of threads here concerning 6922/6DJ8/7308s - I’m partial to Amperex 7308s and 6922s in my buffer stage, Telefunken 6922s are extremely Log in or We take a more in depth look at what is becoming a very popular tube. Typical characteristic: Ua = 90 V Ug = -1,3 V Ia = 15 mA S = 12,5 mA/V Pin 9 COULD be a problem - it's a shield in the 6922, and heater center-tap in the 12AU7. They are definitely electrically interchangeable . Some may be OEM label or blank OEM stock label, some relabeled "6DJ8", but are Amperex USA coded 6922 Suitable for all E88CC, ECC88, 6DJ8 and 6922 applications. The series-string version 7DJ8 / PCC88 was also Mr 6SN7 kicks the 6DJ8 when you need large voltage swings. And the 6DJ8 does match the 6CG7, 6BQ7, etc. Note that all This uses 6DJ8/6922 tubes for the RE: 6922 vs 6H30 in preamps? To be honest, I don't know because I don't have any schematic on this amp and I'm. Joined 2012. 99 each Highly recommended for: Peachtree Nova65se Schiit Lyr 1(hybrid) Schiit Vali 2 Headphone Amp Anthem Pre-1s Anthem Pre-2L $ 19. Go. Yes even the E88CC's arched There doesn't seem to be allot of good information out there about subbing in a 6CG7 for a 6922/6N1P, however E88CC / 6922(premium 6DJ8) Amperex PQ orange or green label USA made, gold pins. Printed right on the tube. Additional information. com/Link to Mellow Tone Kits: https://va hifidiy论坛-6922、6n11、 6dj8、 e88cc、 ecc88 只有6n11 不知道其他替代品声音特色和区别在哪了？价格差异太大，不敢轻易拍，所以先问问没事的排个序吧 In my system, I found the USA Amperex white label PQ large O-getter 6922 to have richer tonality than the USA Amperex orange label O-getter 7308, but weaker bass. I then swapped the sides the tubes were on and the bass A Philips JAN 6922 made in the USA. Other NOS Treasures . This tube really opened up the amp, much more enjoyable. Zaerix branded Gold Pin O Getter Gray Shield Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm-www. But if the goal is say a phono input stage or mic stage, a The 5670 is tightly specified for heater current (more so than the 6DJ8/6922/ECC88 group). Anyone care to name their favorites of each tube, for use in phono and/or line stage pre-amps? They are interchangeable. That's why it's good for TV designer loves it because it's a hign gm and low Rp tube together with 5687. Anyone care to name their The 6922 is designed to handle higher power than the 6DJ8, and for longer life. Tonal coherency is more refined over the The 6DJ8/6922 (µ = 33) appeared in the late 1960's designed for use in color TV tuners. It provides very smooth mids and high end with a lot of detail. I tried Sovtek 6922 (not bad), Mullard CV2492 (very good), Sylvania 6922 (good), National (Chinese) 6DJ8 (mediocre), and then the Amperex USN CEP 7308. More to discover. While I have them I suggest the Matsushita. Both tubes Tube Depot carries a selection of 6DJ8 / 6922 / ECC88 / E88CC / CV2492 Pre Amp Vacuum Tubes. The bargain priced PCC88, the 7 volt version of this tube, works nicely in the vast majority of 6 volt applications. "That and it's a 6922, not a 6DJ8. E88CC is the European Name of 6922/6DJ8. Email: Password: Login. I've used Sovtek 6922, JAN-Phillips 6922 and JAN-GE 6DJ8 and Siemens 7308 tubes in my preamp. 00! Availability:: Usually Ships in 24 Hours Product Code: SIEMENS-PCC88. Ultra low noise, matched triode sections, heavily plated gold pins. Compare 6ES8 / ECC189 tubes — 6DJ8 / 6922 / ECC188 substitute. turntable. ReadMePR There are a several preamp related schematics available on this page. This is true, however, real tubes also show a significant variance from notional parameters, the match between 6DJ8/6922/ECC88 and 5670/396A/2C51 is close enough that they work even in quite twitchy fixed bias circuits. 246. A replacement for the 6DJ8 that I really like is the 6CG7/6FQ7. The 1986 NOS JAN 6DJ8 is my recommended 'best buy'. Slightly sweet and great 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. At any rate, so far, so good. some very nice tubes out there in these variations for not a lot of coin. The Creme de la creme is the Amperex 7308, if you can find them. ) Just curious. CCa Siemens USED!!! E88CC Philips 6922 250 eur MP E88CC Siemens 250 eur MP Unfortunately I wouldn't describe any 6922/6DJ8 as "warm". Cheers! Status Not open for further replies. Also has the same voltage ratings as 6N1P (250v, as opposed to 150v for the 6922/6DJ8). Qty: Description The JJ E88CC preamp tube is a great alternative to ECC88, 6922 and 6DJ8's for preamplifiers if you are looking for a warmer, smoother sound at a low price. in pinout. DOUBLE TRIODE E88CC is the European Name of 6922/6DJ8. See reviews. This piece of gear has sold. Showing 1–12 of 40 results Sorted by popularity. You can still 6922 is a great tube for line stages - better than 12AX7 / 12AT7 / 12AU7 imo. They are also notoriously microphonic. 53 Genalex Gold Lion 6922 / E88CC - £59. I would expect that it would The 6DJ8 is a miniature nine-pin medium-gain dual- triode vacuum tube. (used in my pre-amps) There generally a detailed tube and have more of an "audiophile" type presentation. This is also the same tube which is sold by Richardson's under the Bugle Boy brand name. I put a 6922 in one channel and a 6N1P in the other and there was a substantial difference between the two. Posted by mb-de (A) on August 24, 2001 at 11:40:36 . So you are absolutely right, kodabmx. Even has almost the same transconductance (the 6922/6DJ8 is considerably higher, which can upset the bias in The 6DJ8/6922 datasheets listed typical plate voltage as 90V. e. Also check PCC88 7DJ8 Category. I’ve tried lots of tubes so far I LOVE BEL 6922 from India. Prev. NOS SIEMENS HALSKE PCC88 TUBE PAIR for 6DJ8 6922 E88CC preamps : Alternative Views: $269. In one of the publications, I rolled rolled Telefunken 6DJ8’s into it and it was a big upgrade from the Electro Harmonix it came with. Jun 28, 2010 #1 I was wondering if anyone has ever tried replacing 6N1P tubes with ECC88/6DJ8? I have a Yaqin MC-10L and read somewhere that ecc88 could be used and sound much better. Actually, various Mullard E88CC | 6DJ8 | ECC88 | CV2492 | 6922 | 7308 Zearix branded Gold Pin O Getter Silver Shield Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested Find more of this tube type here: 6DJ8 6922 E88CC and ECC88. You save $84. Thread starter paulram; Start date Jul 3, 2012; 1; 2; Next. The EV versions have too-low cathode resistance that will draw too much current in a 6922 circuit and lead to a lack of headroom that compromises dynamics. From Joe's site: Quote: The 6DJ8 family was originally developed by Amperex. diyAudio Community diyAudio Store. Those were actually what Dennis used when he first started with that family of tubes in the Inspire amps. Link to our online store: https://valvesnmore. If you have that last tube in your stock that would be a really nice one. Another suggestion would be a pair of Siemens E188CC/7308 w/ matte gray plates from the 60's but they're not cheap. Substitutes: ECC88, 6ES8#, 6ES8, ECC189, ECC189#, 6FW8, 6KN8, 6922, E88CC, CV2492. I've actually used several brands of 6DJ8s, I can't remember all of them. $269. the 6SN7. They are incredibly durable (ratet > 5,000 operation hours) and can handle the punishment of modern pre-amps, including those made by Audible Illusions. They are quite linear, which has been the attraction, but they are prone to microphonics, since audio was never the intention in their design. Log in to respond. So the 6N1P is not a low gain version of the 6922. I’ve read 7308 are more mellow or that they have more high end or that they’re smoother so which is ECC88 = 6DJ8 ECC83 = 12AX7 ECC88 is a frame grid, high frequency twin triode. See who delivers to your country, I got 1 set on auction for 90 usd and the other from euroclag on ebay for 119. Thread starter henryp; Start date 2006-10-19 6:53 pm; 27 will get you more for less than the 6DJ8 family of high failure rate, mostly not very good sounding, 12AU7 is a symbol of small signal amplification with flexible filament application. All our preamp tubes are stringently tested for noise and microphonics using Amplitrex testers driving an external amp. 00. But let's use your example, 5k vs the 6dj8 in parallel with 10k ohms RL. Your warning about using ecc88/6dj8's in an e88cc/6922 design is a good one, but it may only apply to a few popular companies (and their designs) which ran the 6922 type especially hard (otherwise known as tube eaters). The interaction with the power tubes could also be at play here. DOWNLOAD PDF. I like any of the European vintage 6922's and 7308's. For example, here is the pinout for 6DJ8 / 6922 / 6N1P (Russian) / 6GM8: Notice the shield connection on pin 9 at top. Saratov, Russia manufacture. (I'm a 6DJ8/6922 fan, but they don't have that "tubey warm vintage" sound to them) 12AU7 is a symbol of small signal amplification with flexible filament application. They are incredibly durable (ratet > From €47. Ultra low noise, matched triode sections, heavily Like the 6DJ8, the 6922 has a 9-pin miniature base with a twin-tube internal and frame grid structure and transconductance relatively higher than other similar miniature dual triodes. Originally an RF tube (used in Fisher Both are dual-triode tubes so i wouldn’t expect a huge variation between the two inherently, you’ll likely find more variation between brands within each family. They normally have steel pins. These have small halo getter with orange gl I had a small collection of 6DJ8/6922 tubes already as they were utilised in both my integrated and DAC, but there was no 6DJ8 option in the VTA range. The ECC88, 6DJ8, CV 2492 are high performance valves that have passed rigorous military specification tests regarding ruggedness, heat and shock resistence, AUDIO VALVES: ECC88 6DJ8 & E88CC CV2492 CV2493 CCa 6922 7308 PCC88 7DJ8 6DJ8/6922, all of these have an identical or very similar pinout. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 8W for E88CC/6922 and 130V/1. Related topics Topic Replies Views Activity; 6 and 7 v Yup, 6922 (and 6DJ8/ECC88 at that low voltage) will hold the linear portion of their curves to very low voltages. You cannot use it in Audible Illusions, Balanced Audio Technology or Sonic Frontiers preamps due to the limitations in their power supplies. While i was never a fan of the 6922 preamp designs I have heard over the past several years, I had to No one has mentioned the 7308 tube, which is a direct replacement for the 6DJ8 / 6922. Very warm and inviting luscious sound. Last edited: 2021-11-03 Except for higher heater current, it’s a direct plug-in replacement for the 6DJ8, ECC88 and 6922. I know technically that the 6922 / 6dj8 and related tubes have a higher gain structure but I have no idea how that directly relates to the BHK as it is a hybrid tube / mosfet design. Site news. They typically average from about $20 to $40 each in good NOS, or used like new, condition. These are among the most difficult to find in the 6DJ8 NOS family. A fine upgrade or replacement for any power amplifier or linestage that requires valves of the 6DJ8, 6N23P family. 1 of 2 Go to page. You can also run high performance 6DJ8 tubes, but the post was more to articulate the low cost of the 6BZ7 tube and their compatibility with Vail. Amperex sound forward with great Mid range & the Telefunkens are nice and laid back. Do a search under PCC88 or look in the 6922 category and it comes up. So organic you'll want to grow pot. 8W for 6DJ8/ECC88). Again, to be brief, the pecking order is 6DJ8, 6922, 7308 i. 99. Vergleichen 12AU7 (mu: 17): Released – October, 1946. " That's it. Ok, that comes to approximately 2. the 6DJ8/ECC88/6922's 6. ECC82, ECC802, E80CC*, E82CC, E2163, B749, B329, CV491, CV4003, M8136 The Gold Lions are nice and balanced with great detail. 69. I've run 2 amps that use the 6922 family of tubes. Equivalent to the E88CC, 6DJ8 and 7308 valve types too. This 6922 vs 6sn7 "High transconductance tubes like 6922 are not good for sound" Depends on the design, parts, and which brands are used. paulram AK Subscriber. Big, smooth, full with tight bass and huge soundstage. The CSP3 manual says the 6N1P-EB is the correct input tube (along with 6922 and 6DJ8). Make sure you ask about noise and returns before you buy. There is no extra charge for low noise and microphonics testing like with other tube vendors. See 6DJ8. Moreover, there are much greater Best is to listen what matches your power amp. Buy Tungsram E88CC / 6922 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. The 5670 pinout is radically different. 26 Oct 2024. Equivalent to the E88CC / 6DJ8. Sale! RFT 6DJ8 | 6922 | The mu or amplification factor of a 6922 and 6N1P are essentially the same, it is around 33 to 35. Probably the closest to what your after would be Mullard, or maybe Sylvania as well. The first tube in the family was the steel pinned 6DJ8 followed by the gold pinned 6922 and 7308. Tesla 6922 | ECC88 | 6DJ8 | CV2492 | E88CC | 7308 Vintage NOS-NOT JJ! Made by the original Tesla in the 50’s-60’s. 6dj8 was design for use in the television. GENALEX GOLD LION 6922 / E88CC . In Reply to: Re: To Rafe: Do an AA-Tubes Archive search on the 8223/E288CC posted by Rafe on August 24, 2001 at 09:35:25: Hi Rafe, I think the issue is the fact that the E88CC/6922s (and the E188CC/7308 as well as the E288CC/8223, albeit different) The 6dj8 6922 is a frame grid construction . gov. 6922 is a great tube for line stages - better than 12AX7 / 12AT7 / 12AU7 imo. I'd try the US made 7308's. According to the 535 Mod Summary, Tek's stated reason for the switchover was reliability. The cv5331 is an A frame ? The 6es8 sound is a different matter . One of his buddies gave him a quart zip lock bag full of O-scope pulls, all US made Amperex orange/green globe and white "PQ" versions. If you are using 12AX7. 7308 E188CC CV4108 CV4110 CV4109 premium grade tubes are rated for higher voltage and dissipation (250V/2. Additionally, nominally interchangeable 6DJ8 family versions from different (or even the same) manufacturers show a surprising As for the 6922/6DJ8/7308, as much as I like the Mullard 6922 gold pin, the Telefunken 6DJ8 has been phenomenal in every component I have tried. My experience has been that the Sovtek 6922 lacks the dynamics, subtle inner detail and imaging of premium NOS tubes like the Siemens CCa/7308 or Amperex 6922PQ/6DJ8 Orange Globe Logo. . New Old Stock original Box. Hi there. I have a Musical Fidelity X-Cans Tube Headphone Amp which I prefer to run While Tele 6DJ8's have a bloom in the midbass with less resolution. Preamplifying tubes. I think 6DJ8 is the equivalent of 6922 as well. It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Smooth, detailed, dynamic. Jul 5, 2012 #6 According to the •6DJ8 / ECC88 is the "standard grade" of this family. It's not happy when used at the So far I like early/mid 1960s Amperex HP/Amperex/AMC logo made in Holland tubes- just the basic 6DJ8. 6DJ8. [Archive] 6922 / 6DJ8 / 7308 / PCC88 for your cj pre amps Conrad-Johnson I think it is time for the 6922 thread and how they sound in your cj pre amp or amp vs the stk EH 6922 tubes from cj. all have 12AU7 ECC88 6922 6DJ8 2 Tube Preamplifier DIY PCB /. That's not "bashing"; it is simply a statement of fact. 245 [ Follow Ups ] Thread: [ Display All Email ] [ Tubes Asylum ] [ Alert Moderator ] Model: ECC88 aka 6922,6DJ8 ; Category: Tubes ; Suggested Retail Price: $25 ; Description: NOS Pre amp tubes ; The 6922 is a low micro-phonics, long life span version of the venerable 6DJ8 tube. I own Amperex 6DJ8 Bugle Boy Holland (one has a code GA3 017 40B, Amperex PQ 6922 Gold Pin Holland, Amperex 7316 PQ white label Holland (don't know what the 7316 equivalent is) and Amperex 7316 6DJ8 D-Getter that says on the box OG SB. " They have original boxes. Without going into some of the more obscure tube types, I played with the 12xxx series, 6SN7/6SL7 types, 5687 and the 6922/6DJ8. The E88CC is a 6922 and the ECC88 is a plain common 6DJ8. I got 3 authentic closely matched NOS Amperex OG's for about $40 - lucked out on eBay. They cited a better bottom end and "less offensive" high frequencies as two of the reasons for their choice. Further, your pre might be able to successfully mate with any number of other fine 6V double triodes, like the 6H1π and the 6CG7 I mentioned. 6922 tubes I have (USA white logo PQ, BEL India 6922) both have The early 1990s Golden Dragon 6DJ8 / 6922 tubes in this precisely matched pair were developed for use in high-end tube gear such as Audio Research, Mcintosh, Audio Note, etc. View similar gear from other sellers on Reverb. And their sound is very much as Joe describes them. View JJ E88CC tube data sheet. •6DJ8 / ECC88 is the "standard grade" of this family. New shipping method available I agree with the above posters. "This tube and the 6922 / 6H23 Type 3 are the only 6922 tubes we recommend using in Audible Illusions, CAT, and other troublesome preamps. u = GM x rp The 7308's are supposedly top of the line 6922's or so I've read. 1, and have subbed the EH6922's with very poor results (Arching on startup) AMperex 6dj8, Tesla e88cc, Philips 6dj8, and a Japanese version. I tried Sovtek 6922 (not bad), Mullard CV2492 (very good), Sylvania 6922 (good), National (Chinese) 6DJ8 (mediocre), and then the Amperex USN 6922 / E88CC: A popular substitute in hi-fi audio systems, but the 6922 has lower filament current. For the money, I look on eBay for this guy from Hungary selling Tungsrams produced in the 1980s. Except the Matsushita 7DJ8 / PCC88 on our website. Sy, I also heard some other JJ tubes, like the 12at7 were super low in distortion. Anyone 6DJ8, 6922 and ECC88. 6DJ8 is a twin triode tube developed as RF low noise amplifier in 1958. The 6BQ7As were failing fast enough to The 6DJ8 and 6922 have low rp; 6N1P has higher rp. 6N1 vs 6DJ8. Electrically and in terms of internal design it is very similar to the 6DJ8/6922 which became very popular in American high end audio gear, but one can't plug it into a 6922 socket. In this video, we put 6922 audio grade tubes on our noise test fixture to spot noise and microphonics that a tube tester alone would miss. When I roll in the Gold Lions, they seem to stay in longer than the others. The amp is my picture lol. ) I've never actually heard an Ediswan tube, so I'm going by my interpretation of what the experts have said. I have seen Siemens, Valvo, Telefunken, Philips, Ultron and Matsu****a The 6922 is one tube I have been burnt on for trying to purchase NOS. Tube god Roger Modjewski suggests they're one of the ubiquitous 6DJ8 types. This tube is sometimes called 6DJ8 set #1 JAN Phillips 7308 phase splitter JAN Sylvania 7303 amplifiers 6DJ8 set #2 JAN Sylvania 6922s -all three Both sets, '78 - '79 vintage Test track - 2002 "Falling through time" I 6N1P ~= 6922 (with less Gm anyway) in plate voltage ratings. The point is that the 6DJ8 family (6922, 6DJ8, E88CC) and 6SN7 family (12AU7, 6SN7,12SN7) operate differently in any [size=x-small] Since some time there is a Russian tube on the American and West-European market with the code 6H1Pi that is translated 6N1P. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. I have one pair NessTone has the widest selection of high quality 6DJ8, ECC88, 6922, E88CC, and CV2492 tubes available. IN STOCK GENALEX GOLD LION 6922 E88CC Gold Pin, similar construction to the famous Reflector "Silver Shield" 6N23P-EV. The 6922 is nearl This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. toriversen. ca. tubes. Don't forget the E88CC, ECC88 and 5692 versions of the 6922 family. Just make sure they are 1960's vintage or earlier. For contrast, look at the 12AX7 / 12AU7 / 12AT7 style pinout below: 12AU7 base diagram is 9A which 6922-6DJ8 is 9LP in the GE tube book. I've read the Joe's Tube Lore re: than "6DJ8-6922-7308"- read what he said in that descriptive boxed area heading. I spent a small fortune rolling different versions till I found the I'm sure that you will like the sound of the Bugle Boys much better than the stock Phillips 6922's. The only parameter that is of very minor concern is the 5670’s 15% higher heater current consumption, (350mA vs 300mA). Versions of the As an avid tube roller, I've dug around the forum to find that the 6DJ8 is just OK in place if the provided 6922. The 6922 is the commercial-grade version, a step above the consumer-grade 6DJ8. Also, the 6922, ECC88, and E88CC may or may not be similar to the 6DJ8, even though sometimes they are used interchangeably. 6922's were developed as a premium low noise version for military equipment and laboratory test One difference between a 7dj8 and 6922 tube is that the 7dj8 is a 7 volt cathode heaterUsed in a 6 volt circuit should extend the life of the filamint or so I have read another 6922 = E88CC = CCa (Siemens Type) all three of them marked "longlife" 6DJ8 = ECC88 The only minor differences in the Data of the E88CC=6922 and the ECC88=6DJ8 are The JJ was killing that amp. Wholesale & retail trade. IMHO close to Amperex 6922 PQ in sound quality, but a LOT more economical. I really like the Telefunkens too. I've collected quite a few tubes off of ebay and found my favorite to be the CBS 7730. The 6922, 6DJ8 and other frame grid triodes are not intended for audio. Home; Forum; Papers; Market; Tubes + Tr; 6922 vs 6SN7. I guess I was holding back to try and see if I could fit everything into the magical 100mm x 6N1 vs 6DJ8. Upgrade für 6DJ8 / ECC88 / 6n23p 46,80 € * Details . 3 Volt. It is often used for Hi-Fi applications. The 12A*7's are more cheap and cheerful, but, the 6922/6DJ8 has certain qualities I prefer. Details Add to cart. Depends how (and if) the shield is connected, and how the heater supply is connected. The converse is not always The first tube in the family was the steel pinned 6DJ8 followed by the gold pinned 6922 and 7308. 81 As far as NOS Russian tubes go, the Voskhod rocket logo 6n23p, which is their version of our 6dj8/6922 tubes, have a good reputation for sound but are often noisy. AudioPrism produced the bat cd player uses 6 6922, i have 1 pair stock 6h23, 1 pair 6dj8 yugo and one pair 6922 mullard. Just got them a couple of weeks ago. I have a Sonic Frontiers Line 2 preamp and a Cary Audio SLI-80 Signature Integrated amp that uses 2 ECC88 /6DJ8 / 6922 instead of 6N1P? Thread starter solarol; Start date Jun 28, 2010; S. But these Mullards I am looking at are different models - one is an E88CC / 2924 and the other is a British made E88CC. 3 to 15mA) and relatively low anode voltage (65 to 125V). Gallery Archive Articles. 6922 / 6DJ8 Tube Types. While i was never a fan of the 6922 preamp designs I have heard over the past several years, I had to All of my line amps run 6DJ8/6922, and I've rolled everything out there. This 6922 preamp tube type was rated the "best buy" by Vacuum Tube Valley magazine in their 6DJ8 / 6922 vacuum tube shootout. If designing an invisible sounding preamp What I'd like to know is the voltage swing capabilities of the 6DJ8 vs. ECC88 mu (amplification factor) is rated at 33. schubert. Yup, 6922 (and 6DJ8/ECC88 at that low voltage) will hold the linear portion of their curves to very low voltages. I did a version of this that I'm happy to share the KiCad project with you if it would be of any help to you. 6DJ8 has similar electrical performance however filament wiring structure 6N23P-EV / 6H23P-EB Duo-Triode NOS/Russia ersetzt/upgraded : ECC88, E88CC, 6922, 6DJ8, 7308 Die NOS 6N23P-EV (=kyrillic 6H23π-EB) tube is a very noticeable upgrade over the 6BQ7/6BZ7/6BC8 is a near-exact replacement for the 6N1P. My CTH takes both the 6DJ8 and 12au7 tubes along with the different variants. Arguably the top of the 6DJ8/6922/7308 heap. The tube was developed by Philips in the Netherlands under European designation ECC88. Designed for longer life, low noise and lower microphonics, these can be used for all ECC88/6DJ8 and E88CC/6922 applications. Die TAD-6922 / E88CC (~ CCa) ist die High-End-Version der ECC88 oder 6DJ8. The Sovteks sound awful. Theme - Light; YYYY-MM-DD / 12-hour clock I've had very good luck with Amperex Orange Globe 6DJ8's. •6922 / E88CC is a "premium grade" version of the 6DJ8. E88CC 6922 7308 6DJ8 ECC88 CCa Siemens Telefunken Philips Brimar Mullard Amperex diamond bottom, golden pins, the best choice for audio D getter. ECC81 - 12AT7 ; ECC82 - 12AU7; ECC83S - 12AX7, 7025; ECC83MG / 12AX7MG; 5751; 12BH7-A; ECC802S; ECC803S; Higher heater current than regular 6DJ8/6922 (600mA) Just $19. Radio tubes are valves. Details; The 6DJ8 was an industrial tube that was used because it was easy to put it into almost any kind of design and because they were so cheap nobody wanted them unless you had a scope in Siberia that was made the year before the 6922 vs 6SN7. If you like lively sound, try Mazda 7308. There`s a few sellers on Ebay mostly from Ukraine that are selling these from about $8. regards, Steve From what I can glean from the old Internet is the 6H23N is the same as a 6N23P and other swapping around of the letters and little extra flourishes at the end of the designation. If I remember it right, that Special Quality meant Long Life and gold plated pins, that is to say, on a E86F cathode lasted much longer then on a EF86, but there was no promise that filament to cathode leackage would be better (lower). Sound signature is very similar to 6N30P from the same factory, but not as transparent through. I suggest you to stay away from 6DJ8's if you want your tubes to last longer. My understanding is that as the Aikido uses dual-triodes in a totem-pole arrangement the voltage on each plate in a Their non-exclusive list includes ECC88, 6922, 6DJ8, and 2492. I'd try the 7DJ8s as well. In Reply to: RE: Amperex 6922 PQ USA vs Amperex 6dj8 Holland posted by Jonesy on May 24, 2010 at 13:28:49: I've actually always liked Mullards, but How does the sound of the PCC88 and PCC189 compare to the 6922/6DJ8 and its iterations? The former have a higher heater rating (7v) as opposed to 6v for Audiogon The world's largest high-end audio community. 6N1P-EV / 6DJ8 / ECC88 / 6922 Anod tube $ 6. Good question - I did have (not as part of this review) the USA Amperex PW 6DJ8 vs the Holland Amperex 6922 PW. If your C-J uses 6DJ8's and isn't too hard on the tubes my favorite 6DJ8 type is the earlier Siemens CCa. The ECC86 looks like a good idea to try too. This doesn't mean they sound bad. 6DJ8 vs 6N1P (6H1N) Thread starter TheGimp; Start date 2009-09-27 5:42 am; Status Not open for further replies. By continuing to use this site, you are consenting to our use of cookies. There are many options for that tube 6DJ8, 6922, and the 7308. 90 * Details . It all depends on the circuit requirement of the amp what tube is suited. The point is that the 6DJ8 family (6922, 6DJ8, E88CC) and 6SN7 family (12AU7, 6SN7,12SN7) operate differently in any given circuit, so a circuit engineered for a 6SN7 family will not run a 6DJ8 family tube at its optimal operating point. Your figures are correct given the initial conditions of 10khz. Thoughts on why the ECC-88 is superior to the 6922: "The biggest difference is greater soundstage depth when compared to the 6922. As Telefunken based tubes, they have the same smooth gray plates and a halo getter, just like the famed Telefunken ECC88 / 6DJ8 tube they were modeled after; just compare. View similar gear. For me the PW sound is a bit to euphonic (woolly), but might be great for system with lessor sources (their warmth can mask a verity of sins). When I was shopping for replacement (stock was Sovtek 6922), the most readily available ones I found were 6DJ8 and 6922. Amperex Orange Globe 6DJ8/ECC88 Holland Made in 1967 by Philips factory of Heerlen/Holland. A friend of mine just got a batch for like $15/tube. This statement is inaccurate. The 6922 drop-in replacement is the straight-up 6N23P. 0W versus 220V/1. " No the JJ is an E88cc, a european number. I sometimes use the 6dj8 because newbies might not understand 6922 or E88cc though. That said, it appears the 6922 The 6922 does not inherently sound any better than the 6DJ8, it just had tighter factory QC and smaller tolerances so the likelihood of finding a well matched pair is improved. Pa 1,8W 1,5W input Cg 3,3pF 3,1pF output Ca 1,8pF 1,75pF But these values change from manufacturer to manufacturer a little bit. 99 Sylvania 6922 Valve - 39. Another great tube from the Reflector factory. It is a very, very good tube and to my ears, a step above of most of the Amperex I have ever heard (Bugle Boys, orange globes, A-frames and white 6DJ8/6922). Problem is, a lot of them get noisyyou get this scratchy noise in them. Don't waste your time. Jul 3, 2012 #1 6JK8 6KN8 6922 6EV7 6FQ7 6GU7 6ES8 6GM8 7DJ8 . 6N23P is a direct replacement for 6922 & 6DJ8. good, better, best. I am eyeing up a couple of E88cc Mullards - I have an pre that take two 6922 / E8cc's - one for each output channel. Also, by going with the Aikido option I thought it would enable [force] me to learn more about the fundamentals of what I was doing than the purchase of a full kit would. Next Last. 6DJ8 has similar electrical performance however filament wiring structure E88CC / 6922, 6DJ8 - gold R. It is virtually identical to the 6DJ8 except for the heater rating, which is 7 volts. That's close to the max rating for 12AU7s and 6FQ7/6CG7/6SN7s, but well over what you'd expect a 6DJ8/6922/7308 to handle. Any amplifier/pre-amplifier/DAC using the 6DJ8/6922/ECC88 group tubes should Good, very old informative thread so I thought I would give it a bump. Die 6922 wird weltweit in HiFi Geräten der Oberklasse eingesetzt; vorallem dort, wo kompromisslos auf Qualität gesetzt wird. 1k, so the 6cg7 has some 2. 14 JJ Electronic E88CC / 6922 - £23. Later ARC designs like my Amperex PQ 7308/6922 are warm though. Denon 103 vs 103r opinions - Sonic Di Differences between Link 1, 2 and 3 D 6N1P vs 6922 Hi, I agree with Sherman Except for higher heater current consumption (600mA vs. Both made in the 60's, same overall spec since E88's - but different models. net. Posted by Anacrusis (A) on May 25, 2010 at 11:11:29 . The 6922/6DJ8 has good bandwidth, but the design of The mu or amplification factor of a 6922 and 6N1P are essentially the same, it is around 33 to 35. 6BQ7's are still cheaper than 6DJ8's/6922. Higher heater current than regular 6DJ8/6922 (600mA) Just $19. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production E88CC/6922 available. If you get a good NOS 6DJ8 they can sound pretty nice. 5000+ ohms) and is usually used with higher standing Good, very old informative thread so I thought I would give it a bump. 95 usd, dont know if he delivers to your country though. You could do cheaper than that, ebay search RTC Mullard E188CC. CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm-www. Moreover, there are much greater Sorry to split hairs, but it is the other way around. Otherwise, they're the same. 71 Electro Harmonix 6922 Gold Pin - £41. 35 times the output Z of a 6dj8 using a 10K RL. Hello Steve, I have a really great sounding Mullard 6DJ8/ECC88 for an input. The E88CC vacuum tube type is equivalent to the North American 6922 / 6DJ8 Tube 6922 or Röhre 6922 ID6106, Double Triode, Noval, 9 pin miniature (USA pico-9) B9A and Universal shown. I also got some RCAs to improve the sound over the sound of the stock tube and most of the comments point to the Electro-Harmonic 6CG7 and 6922. hjf fryjf zno bjuaec zosus rkaes utyk wnfdm kkclg xnnodo