6sn7 tube substitute. No need to get ripped off for those "fancy" VTs.

6sn7 tube substitute 3). , but again. If running off 12. May 29, 2024 · The 6SN7 was designed for audio applications and is still used for valve hi-fi. Aside from using the same pinout, the 6sn7 isn't a sub for a 6sl7. thanks,-coltrane Yes it is a 6SL7 tube I believe RCA made all of them no matter the name on the tube, like the 5692 6SN7 they are highly sought after and usually command a much higher price then a standard 6SL7 6K5G, and 6F5G as single triode alternatives to the 6SN7, 6SL7, and 12AX7 respectively. I'd love for that *not* to happen to the 6J5 family. You dont lose gain with a 6P5 because the 6SN7 is a dual trode???. Other hazards include overheating of the transformer or related Jan 12, 2011 · This seems redundant with what has been said. There are several 6922 tube equivalent part numbers available. The plate voltage I have measured with the 6SN7 tubes in place is 100V on the plate of triode 1 and 230V on the plate of triode 2, versus chassis ground. The wide glass tube envelope is 28 mm in diameter and excluding the IO base pin length, stands 65 mm high. 6: 0. We find this incorrectly! [/size] [size=x-small] Unfortunately will the notion "equivalent" not be interpreted the same by everybody. 0: 1. Jun 8, 2019 · WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Cheers, Bob Apr 21, 2023 · I'm told the rca5691 is a good replacement tube, but it is available with black or red base and black or gray plates. But as I listened I kept feeling that it wasn't as "clear" sounding as my now reference MELZ Russian military hole-plate tubes produced. Compare the Dec 4, 2010 · Tube substitute for 6N9P Tube substitute for 6N9P. Right, but the OP wants to replace the 6SN7 with a 6SL7. Please advice. If you have 6J5 sockets in your amp, well done! No, 6SL7 and 6SN7 are not interchangeable as both have different characteristics. Details and compression with good tone Tung-sol 6sn7gtb. 6SN7-WGT Ratings: No information available. FREE delivery Mon, Jan 13. arkin710 Well-Known Member Thread Starter. 600-mA versus 900-mA. It was widely used in the early days of television as the vertical amplifier, and it's use was so common in most TV chassis designs that vintage 6SN7 tubes are still 3 days ago · Warning: 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. The fact is that despite the (often contradictory) informations available here and there,there are no real equivalents to these chinese tubes. Some of the Sylvanias would be a good substitute and they are very affordable. ‘G’ = glass body & ‘T’ = short bottle. 6SN7's in particular are great for preamp and head phone amps. allied333 Audiophile. There are other Russian versions of the 6SN7 tube. If the applied plate voltage of the 6N1P is less than 130 volts, then the substitution should work OK. Big bass really nice top Sylvania 6sn7gta Chrome dome. The 6FQ7's in a RCA clear top will in most cases out shine the 5692's. My amp is a 6V6 PP design with the 12AU7/12BH7 as the first tube (voltage gain), then into a 6SN7 differential pair phase splitter, then to the 6V6's in PP configuration. It may be uses as combined vertical oscillator and vertical Sep 8, 2009 · I found this (chinese) 300B PP amp, using 6SL7 as first tube (and 6SN7 as driver). It may be uses as combined vertical oscillator and vertical deflection amplifier in television receivers or in audio amplifier service. Type Substitutes Base Diagram; 6FQ7: 6CG7, 6EV7, 6GU7: Web References: 6FQ7 (RCA (HB3)) @ Franks Electron Tubes 6FQ7 (Ei) @ Franks Electron Tubes 6FQ7 (Tung-Sol) @ Franks Electron Tubes 6FQ7 (RCA (RC30)) @ Franks Electron Tubes 6FQ7 @ RadioMuseum. Octal, IO) K8A, USA 1935 and Universal shown. For one thing, the filament current is double that of a 6922/6DJ8/ECC88, so it puts a strain on the power supply. In Russia, Tube Interchangability Reference. 5k plate resistance tube. All Dec 30, 2021 · Yes it is a 6SL7 tube I believe RCA made all of them no matter the name on the tube, like the 5692 6SN7 they are highly sought after and usually command a much higher price then a standard 6SL7 Just a reminder: you don't have to take anyone's word regarding tube substitution. that while this tube is a substitute for the venerable 6SN7 and the Russian 6N8S, the sound, in general, is less warm, but this gives The 6SN7 has been chosen as driver tube. are taking a look at a few alternatives to their 6SN7 models, mainly the popular Freya+ tube preamplifier. is not really a 6SL7 but rather a substitute. " 6SN7GT tube - best of vintage and substitutes. E. Can add girth to your tone. . Can be soft. 6V in your amp the 6SN7 is not interchangeable. VT TUBE CODE CROSS REFERENCE CHART. Yamaki; Jun 10, 2023; Tube Audio; Replies 4 Views 232. One of my favorite tubes are the loctals, 7N7 and 7F7. so you cant just sub the 76 tube into a 6sn7 circuit because would need two 76's to replace a single 6sn7. 3: 300: 3. 3V as the 6SN7 but at only half the current (300mA). This outlandish claim, however, falls apart when you examine the is not really a 6SL7 but rather a substitute. You see some swapping of 12AX7's, 12AU7's, 12AT7's, ect in guitar amps, but Aug 21, 2011 · Tube Audio . I've had good luck with Red Base RCA 5692's. 6SL7 tubes have lower transconductance and higher amplification than 6SN7. Sometimes you think it sounds better [YRMV], sounds worse, or produces large volumes of smoke, none of Nov 7, 2021 · Tube Substitutions for: 6FQ7 Medium Mu Duo Triode. But doing a drawing of the internals, I find the 6SL7 connected as one triode (both in paralell). It’s most common to upgrade the 6SN7 tube. 6CG7 tubes. Warning: 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. FAST SHIPPING - AUSTRALIA and NEW ZEALAND. Feb 25, 2018 #2 Basically just looking for a good 6SN7 tube in the $20-$40 range, I will need 4 of etc. All the six 6SN7 tubes reviewed in this article can deliver the goods, and you can choose from both budget and high-end products. org. No Pop, no Drop. 6CG7 call it a 20mu/gain tube. It is from head-fi. But there are LOTS of tubes that might have the "WGT" or WGTA" appendix. I haven't looked up the data sheet, but using another tube with more, or less gain probably won't sound right. You could substitute a 6SN7 PI, would probably be an improvement. Been rolling VT-229 types for a while now. But if I substitute a 6SN7 for the driver stage, there's an increase in gain. The tube may well fail! If it does work, its guaranteed to have higher distortion- which is to say it will be a lot higher. Mullards are lush and nice but falls on speed and prat. the ECC32 / CV181 preamplifier vacuum tube is not an exact electrical equivalent to a 6SN7 and should not be used to substitute a 6SN7 in preamplifier designs where the plate voltage could reach over 300 volts DC 6Н2П (6n2p) 6ax7: 6Н3П (6n3p) 6aq8, 6jx8, 396a, 6c51, ecc42, 6Н3П-Е (6n3p-e) 5670, 6385: 6Н5С (6n5s) 6as7g: 6Н7С (6n7s) 6n7: 6Н8С (6n8s) 6sn7gt, ecc32 Like tuberist I tried a lot of 6sn7 tubes. The wide glass tube envelope is 29 mm in diameter and, excluding the IO base pins, is 69 mm tall. actually selecting a substitute tube, the charac­ teristics of the original tube, and of the pro­ posed substitute, should be studied, together with the circuit in which it is used. Radio tubes are valves. A 6SN7 tube is medium gain (mu=20) that is more typically used for low level gain Convert Tube Socket 5670 6N3 TO 6SN7 6SL7 6N8P CV181 Vacuum Tube DIY Audio Vintage Amplifier Convert Socket Adapter 1PC. Building, troubleshooting and testing of these amplifiers should only be performed by someone who is thoroughly familiar with In the past I have used alot of different 6SN7's then I tried and liked the 6F8G tubes, and now I have been using the 6J5GT tubes for awhile and I  · General discussion area for tube amps. 3 posts • Page 1 of 1. This tube is sometimes called the equivalent for 6DJ8/ECC88 or 6922/E88CC. We design our Purity Audio preamps to use either tube. Mar 30, 2015 · 12SN7's and 6SN7's are the same tube. But you should not use a NOS 6SN7 designed to handle 300V, into a modern circuit of 450V. 25 $ 14. The "premium" qualities of the 5692 include a long-life cathode rated at 10,000 hours along with extra support rods and mica spacers to eliminate microphonics. 5U4G rectifier. it uses the same as the 6f8g to 6sn7. With a 9 pin to 8 pin octal adapter you can use the 6GU7 / 6CG7 / 6FQ7 in most 6SN7 circuits. 5: 3. 2 days ago · 6N16B and 6021 are 6SN7 with lower Pd in subminiature (pencil tube). Same tube as 6SN7, 6SL7. Mar 10, 2011 · [Vacuum Tube Cross Reference Table ]Analog Metric www. References: Data-sheet, 1040 & 1043. Hi there - I am interested in rolling the 6SN7 tubes in my Aric Audio line stage. May 10, 2020 · I find it to have smooth extended highs, transparency, and solid bass. Mullards are rare and hard to find and may be quite expensive. Save 5% at checkout. All loctal tubes, regardless of how they are branded, were made by Sylvania. $14. they are the same. Dimension Note: This tube is of larger glass enclosure than typical straight bottle 6SN7. The amplification factor of 6SN7 is 20, and a plate resistance is approximately 77K, whereas for 6SL7, the amplification factor is 70, and a plate resistance is 44K. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. org: Sylvania Type 6SL7 HIGH-MU DUO TRIODE MECHANICAL DATA. 1PC Psvane UK-6SN7 HIFI series Vacuum Tubes Replace EL34 6SN7 6CA7 6CA7-T. $89. May 14, 2005 · When you substitute a different tube, with different electrical characteristics, you get different results from what the designer expected or obtained. I am no tube expert and won't pretend to be, but my hunch is that's I agree 100% that the 6SN7 is a better sounding tube than the 12AU7 - without a doubt. Dec 2, 2012. Location: Brooklyn, NY. Location: nowhere. 5 C Г1Л WY1 C Г2C WY2P C Г2Л WY2 Jan 9, 2025 · The 6SN7 actually does better since most of its harmonic distortion is second order; BJTs produce more higher order harmonics. Jan 14, 2020 · You might consider other 6SN7 tube types like 5692's. In Russia and China these are known as 6N8C or 6H8C More Aug 8, 2009 · At this point I am looking for alternative tubes. 3: Volts: Heater Current: 0. On many tubes that Pop and Drop, if I hold the test button in for a long time the value very slowly rises, dramatically. Last The GTB will sub for any of the other 6SN7 types without issue, older GT types will not stand up well in circuits that were designed to run the GTB hard. 1/30 E1-0. At any rate you have a choice. Among others, I am looking at some mid-1940s NOS Sylvania tubes -- VT231/6SN7GT from 1944 and 1945. If I don't have your call brand in stock, I will send you the closest substitute (unless All of the 9000 series are repackaged acorn tubes that were used WWII aircraft electronics. Also 2 have side getters & 1 has a top getter, but not in the right combination to be truly matched. 12AX7 (mu: 100): Released – September, 1947. And “Y6” means the tube was shipped in 1941, between Nov-Dec. At this moment no 5687 to 6SN7 available, but you might contact any of the sellers (most are chinese), eventually one could make the adapter for Jul 14, 2018 · Has anyone tried other than the stock tube? What 6SN7 tubes work well in general? LeeS, Jul 14, 2018 #1. 6V or 6. Thread starter spaceman; Start date Aug 21, 2011; spaceman Registered Lunatic. As others have reported, I've found it advantageous to use different tubes in different positions as long as the left and right channels are symmetrical. 4. The 76 tube is good sounding. 6SN7-WGT Application Data For example, in many cases a 6SL7 can saturate if placed in a circuit designed for a 6SN7. Avoid. Nice prat but can get easily fatiguing The heater operates at the same 6. FREE delivery Jan 16 - 24. I had a bunch of both styles, most of which were physically damaged so I took them apart. The tubes need not be of the same manufacturer and need not be matched. Less current draw in that case. 6H30, 6H30P, PI, or DR is a Russian tube with no exact Western subs. (=application dependant). Miniature tubes can be made to work in some cases as suggested, but miniature tubes have a much lower cathode/filament arc-over Sep 9, 2002 · Searching for this question I have ran into this. Aug 9, 2010 · Tube Interchangability Reference. Reactions: Mr Boochie. 25. Kinda curious on other people’s takes on Driver Tubes, specifically 6SN7 and 12AU7/ECC82, plus any close enough equivalent, even things like using Dual tube Adapters like 6J5 + 6J5 to 6SN7. 9. with 12AU7 image become narrow, mid range voice over powerd high a little bit. I am not sure if this should be ok but I rather change them back to normal 6SN7. The most popular is the rare WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. I now use 6f8g and BL 63 tubes instead of the 6sn7’s because I like the sound a little better and the old 6f8g tubes from the 40’s Below is our current selection of 6922 and E88CC vacuum tubes. Tubes do tend to conjure up feelings of nostalgia, especially as you pop in a new one that has been hiding in a cupboard for decades and watch it slowly light up. com. 9 Pin to 8 Pin Octal Adapters . The 6sn7 has a mu of 20 and the 6sl7 has a mu of 70. The chance of finding something with the same pin-out looks slim, but since it's a homebrew, you could rewire it to use another type. 6SN7 6SQ7 6SU7 6T5 6T8 6U4GT 6U5 6U7 6U8 6U8A 6V6 6W4GT Jan 7, 2025 · Tube Data Sheet Locator. Nice prat but can get easily fatiguing 6H3n-E Soviet Union Electron Tube Amplifier Upgrade Replace 5670/6N3/2C51 Vacuum Tube Valve Improve Speaker Sound 2PCS. Each half of the 6SN7 is electrically equal to the 6J5 triode. You're unlikely to find a good sounding sub for the 6SN7 IMO, take a look at my previous post as it hopefully (maybe not) might be relevant. It is, in the proper circuit, a wonderful sounding tube, and audiophiles would do well to try the NOS vintage 6SL7 tubes before buying anything currently made Those tube substitution books don't always give the best info. gadget73 junk junkie. Mar 3, 2016 · For example, in many cases a 6SL7 can saturate if placed in a circuit designed for a 6SN7. 3V heaters, it seems that the options I have are the 6BL7 and Dec 2, 2012 · I have a 300B amp that has a Russian made Tung-Sol 6SN7GT tube as its driver. "Originally Posted by kiertijai Here is the description of that Tesla 6SN7 or 6CC110 (google translate from Japanese to English) 6SN7: 6SL7: 6DJ8 / 6922 / 7308: 6V6: EL34/6CA7: NOS Tube Specifications: Chinese/Russian Tube Substitutes: Antique Tubes: 6L6 / KT-66: Fender Amp Tubes: Tubes We Buy: Links: FAQ: European CV2000+ Tube Substitutes: www. In the end you might decide to do 6SN7 and us an adapter for the 7N7. It turns out they can be great for certain audio applications, where one half of of the valve can be used like a Dec 29, 2024 · The 6SN7 tube is an octal tube like the 12AX7 or the 6L6 with outsized plates and large pins that you’ll find under the hood of modern as well as vintage guitar amps. We won’t get into which tube sounds best in this article though. 1 out of 5 stars. Here is where it gets interesting: As described above I have built tube adapters for the preamp to run with a single 7193, and the adapters are wired so the 7193 functions as triode 1 of the Many amps have 6SN7 sockets. That way you will have a BA-JILLION of the best tubes in the world to select from, with no 'audiophile' pricing to get in your way. The standard 6DJ8 is also known as ECC88. Next on the ladder is 6SU7, mostly made by Tung Sol. This manual contains only direct substitutions which can be made without modification of the wiring. 3V tube. 6. Apparently, these are pretty much the same as a 6SN7 but a different bottle, & "similar" to a 12AU7. CV1985 / CV569 / 6N9P / 6N8P. The next tube I tested (Tube 25) tested in the normal manner by steadily rising to 97 on the first section and 98 on the second. (Tube Lab) on YouTube. Loctals are super quiet and of the dozens I have, sections are matched close. I am normally a Tung-sol 6SN7 fan, and also MELZ. In this thread, ‘6SN7’ is loosely used as a ‘master term’ to refer to 6SN7GTs, 6SN7GTAs, 6SN7GTBs, 6SN7Ws, etc – in other words, all the available permutations of the 6SN7GT tube. Same tube, same filament voltage, different base. I found out that the preamp tube 6SN7 was replace by 6SL7 by a previous owner. I have some pairs of 6SN7 macthed tubes, Philips JAN 6SN7 WGTA, original US Tung Sol 6SN7 GTB from the 1960's, General Electric 6SN7 GTB from the 1960's and others. From this I just assumed the 6J8P was Octals in general are hard to beat. You'll get a list of the tube(s) you searched on. it would be wise to double check with a good tube manual before actually doing a substitution. I would go by what the manufacturer says. 17 $ 69. These tubes are extremely quiet and have a warm and even tone with tight lows and quick dynamics. A handy table of tube characteristics is found in the C-G-E Radiotron “Characteristics Chart,” Form 152-43, obtainable from any of our offices. 4 days ago · The 6SN7 tube is a medium-mu twin triode in an octal based package, usually glass, although some metal envelope types were made. Since the 6SN7 was already covered in a tube of the month post, we will have a look at another type which is electrically equivalent but has a different base, the 7N7. Shuguang WE6SN7 PLUS The 6SN7 actually does better since most of its harmonic distortion is second order; BJTs produce more higher order harmonics. FREE delivery Jan 16 - 30 Warning: 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. The 6DN7 is not a direct substitute, however all three valves come from video applications in old TV sets and are conceptually alike: dissimilar twin triodes with an octal base. BRENT JESSEE RECORDING TUBE SALES. The current-production Russian and Chinese types don’t sound as good as American or European ones from the 1940s, 50s and 60s. I'd really reccomend NOS for pre amp and input valves! Feb 17, 2014 · 6SN7 is equivalent to a 12AU7 6SL7 is equivalent to a 12AX7 If your 6SN7's have enough gain for you, then use them. The 6SN7 is a 6. Apr 23, 2023 #14 Mar 10, 2010 · [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. Then you can't use a 6SN7 either, because the pic you provided is the same as a 6SN7 split into two tubes. Tube rolling can get expensive because it comes down to personal preference. 5692 types were advertised as a 6SN7GT substitute that had a Nov 7, 2021 · Tube Substitutions for: 6SL7 High Mu Duo Triode. Miniature tubes can be made to work in some cases as suggested, but miniature tubes have a much lower cathode/filament arc-over Those are great old ads. Type Substitutes Base Diagram; 6SN7: 6SN7W, 6SN7WGT, 6SN7WGTA, 5692: Web References: 6SN7 (RFT) @ Franks Electron Tubes 6SN7 @ RadioMuseum. Type Substitutes Base Diagram; 6SL7: 6SL7W, 6SL7WGT, 5691*, 6113: Notes: * - Parallel filaments: Web References: 6SL7 (RFT) @ Franks Electron Tubes 6SL7 @ RadioMuseum. I've seen on ebay these 6SN7 to 12AX7 adapters and I wonder if they'll really work on my Yaqin MS-23B phono preamp which uses 12AX7 tubes. That "Tube World" place is strictly a con-job. I checked the stock tube I pulled out of my first Maverick (it pretty much sucked) and that reads 6N3 with a largish space, and then T but that doesn't look to be part of the tube designation - pretty sure that's just a source descriptor Dec 16, 2024 · "The 6SN7 tube is a medium-mu twin triode in an octal based package, usually glass, although some metal envelope types were made. Skylab. Gain is about 49. Homepage for Brent Jessee Recording Tube Sales. They often point out tubes which can work OK in a pinch, but often are far from optimal. analogmetric. More rare, is the CCa preamp tube that was sparingly made by Telefunken and Siemens. Are these tubes close enough that if an adapter provides a 9-pin socket and connects the right leads that I've seen a number of adapters, and statements by manufacturers for their gear, to go the other way, that is, to convert a 9-pin 6DJ8 socket to an May 29, 2024 · The 6SN7GT is a British made glass tubular version of this much loved double triode valve from the 1940's. Click to expand A 6SN7 would have less gain than the 6SL7. Or use the loctal 12v version, the 14N7, which sell for $7. Compatible equivalents & substitutes: 6SN7, 6SN7GT, 6SN7GTA, 6SN7GTB, 6SN7WGT, 6SN7W, 5692, CV1988, CV278, 6H8C (Russian), ECC32. 1/30 B Г-6/8500 EG1-0. 5. EDIT: Also Added 6AS7/6080 Since those are Nov 29, 2024 · 6SN7 Tube Comparison. 7308 call it a 33mu/gain tube. CAUTION: Never substitute a tube at random without doing your homework first! An incorrect substitute can possibly fail and cause damage to your amp. the 12AX7 is a high gain (mu=100) tube that is typically used within a phonostage since you need the gain to amplify the low level signal from a phono cartridge. $169. Another tip: Some tubes post-1945 are virtually identical to the wartime I was looking through tube related stuff on eBay and i saw a 6F8G to 6sn7 adapter, has anyone tried this yet? and if so any impressions on the difference in sound (subjective or objective), any info would be much appreciated. . May 14, 2005 · Problem is skylab, that most jan sylvania wgta's i see for sale have this designation, the 5y3, so this is not a real substitute for a 6sn7 tube! Well, it's certainly true that the 5Y3 is not anything even remotely close to the 6SN7! Totally and completely different tube. There's a reason for different tube numbers such as 6SG7, 6SQ7, 6SR7, 6SN7, 6SL7 etc. The 12AX7 and 6SN7 tubes are not directly comparable and serve different functions within a preamp. 00 $ 89. 00. 50; The JJ 6SN7 with Current Balanced Triodes. -----The 7308 call it a 2. I have several 6SN7 vintage tubes and one new Russian Tung Sol that I regulary roll into my Schiit Saga preamp. In this thread, ‘6SN7’ is loosely used as a ‘master term’ to refer to 6SN7GTs, 6SN7GTAs, 6SN7GTBs, 6SN7Ws, etc – in other words, all the available Tube 6SN7 or Röhre 6SN7 ID3337, Double Triode, Octal (Int. Vacuum tubes such as 7308 and E188CC are considered some of the very best but are less common. But, no other tube combines so many good Jan 8, 2025 · Warning: 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. Also 2 have side getters & 1 has a top getter, but not in the Nov 19, 2012 · I was looking through tube related stuff on eBay and i saw a 6F8G to 6sn7 adapter, has anyone tried this yet? and if so any impressions on the difference in sound (subjective or objective), any info would be much appreciated. See reviews. All substitutions included here will yield excellent or good Oct 20, 2004 · Brimar have this smoky full body 3D tube sound, at same time they are warm, detail, with geat attack and soundstage(for 6SN7 type). Convert Tube Socket 5670 6N3 TO 6SN7 6SL7 6N8P CV181 Vacuum Tube DIY Audio Vintage Amplifier Convert Socket Adapter 1PC. Given my relatively high plate voltage, octal pin scheme and 6. The 6SL7 has a touch much gain, so a 6SN7 does the job almost just as good May 14, 2005 · [* = definitely a safe 6SN7 substitute] ALWAYS ASK YOUR AMP MANUFACTURER FIRST BEFORE SWAPPING TUBE TYPES!!! 6SN7GT* - First designation of the 6SN7 tube type. That said, there seems to be a very large following of Freya+ tube rollers and I have seen several who adapt different tubes in besides the standard 6SN7. Even in 12AU7 amps, I try to use a 12BH7 if I can - they sound better, and cost less. Tung-Sol, Shuguang, Psvane, Sovtek, and Electro Jan 14, 2003 · WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Dec 5, 2006 · ‘6SN7’ is not an actual tube designation – the earliest designation was ‘6SN7GT’. Less muddy or bloat in the bass. In Russia, The type 5691 Tube is a "premium" version of the type 6SL7. May 31, 2024 #12 A first-class tube, kind of like a slightly more resolving RCA grey glass vt-231 character, but not near as bright and extended as my Sylvania 6sn7 tubes from 1953-54. 🙂 In most situations a 12AU7 will drop in comfortably. Click on any link and you will get a diagram of the tube along with a list of direct Jun 8, 2019 · Just wanted to know if there were any others that would work and be linear? The 6SN7 superseded the 6F8G are are similar. com with your Apr 15, 2022 · In the wake of a potential tube shortage due to the changing global supply, Jason Stoddard and co. I have some of the Tung Sol black glass ones that sound really nice. So, “K1E” means the tube was shipped in 1943, between Jan-Feb, and is OEM. 6SN7 tubes have become over-bid. e. Very expensive, it’s become difficult to find matched pairs with low noise and microphonics. Substitutions may (or may not) work in your circuit. In normal use it operates as a class A amplifier. With rare exception, there is a noticeable hum in the left channel. It sounds very nice, but I can't help thinking that a vintage replacement could make it sound that In short, new production 6SN7 can replace your old 6SN7 without frying the tubes. I don't mean to equivocate, I really like the tube so I don't worry about being able to tube roll like the 6SN7 but you might. Forums. By Guest Y B December 4, 2010 in Stereo Amplifiers & Pre-Amps Share I have equpment tht uses 6SL & 6SN7's I found the EH only fractionaly better that the factory chinese valves. Cygnus X1 I just Googled 6SC7 substitute. ( 6SN7GT Comparisons, Difference and Substitutes ) A quick note regarding nomenclature: ‘6SN7’ is not an actual tube designation – the earliest designation was ‘6SN7GT’. Trying to find matched pairs of 76's IS NOT easy anymore. Makes a "sleeper" type pre-tweed amp that is a pretty awesome 30W 1x12 combo especially with an old P12N which is how I did it. 6SN7-GTB Ratings: No information available. The reverse will not necessarily be a correct replacement. org: Type 6FQ7 Psvane Hifi 6SN7 Vacuum Tube Replace CV181 6N8P Bakelite Tube Base For Vintage Hifi Audio Tube Amplifier DIY Matched Pair. the 6n5p you would need a new tube on if you wanted to replace it. Adapters to use in 6SN7 / 6SL7 sockets are not expensive. This is my collection of 6SN7 tubes for my Supratek Grange valve preamplifier. As mentioned above it is a high mu triode with an amplification factor of 70 vs the 20 of the 6SN7. The 6FQ7/6CG7 is my favorite in the Aikido line stage as an input tube. It can sound too sweet. medium amplification] double-triode tube. 74 USD $790. But the 76/ 6p5 tube is a single triode vs the 6sn7 being a dual triode . grafxdesin AK Subscriber. Which one is the holy grail? Home. 0: Second tube . Commonly available octal dual triodes are 6SN7 (very much Aug 22, 2015 · For example, in the Heath W5 design, if I substitute a 6SN7 for the input tube, there's no noticeable change in gain. 99 USD. In the phono section, there are 4 RCA red base 6SN7's, all measuring 85/85, 85/85, 85/85, 85/85. The Glenn thread has been using them quite heavily ((2x) anywhere 6SN7 were Mar 9, 2020 · Ok So I’m putting this here since I guess it applies to alot of different Amps, Pre-Amps, Power Amps, DACs, etc. 1mA current through the plate means the plate is dissipating about 0. Bulb: Aug 20, 2018 · Actual drive requirements for the driver tube is still within the capability of the 6sl7 or 6sn7 types, so the driver circuit simply needs to be tweaked to have the correct characteristics. Mr Boochie Lunatic Member. 1 Matched Pair Linlai E6SN7 Vacuum Tubes Replace 6SN7 Valve Tube Audio Tube. The 6SL7 has a plate resistance of 44kOhms which is more than 6 times higher than the rp of the 6SN7. Hello to all forum members. If you want pairs or multiples of this tube Matched to each other, use this option. 6 vs. I've built my Crack to have a switch that allows me to use both 6cg7/6fq7 types and 12au7/12bh7 types. $69. 0 out of 5 stars. A very musical tube which presents realistic sonics. Stick to the most linear part of the characteristic, give 'em plenty of headroom, and the 6SN7'll do just fine. Only 5 left in stock - order soon. 3V. 6SN7 & 6SL7 Valves available now from The Valve Store - Melbourne, Australia Call: 04 210 477 48 / 03 983 08 220 Can be an excellent preamp tube if well used. 1. Jul 20, 2022 · CAUTION: Never substitute a tube at random without doing your homework first! An incorrect substitute can possibly fail and cause damage to your amp. Building, troubleshooting and testing of these amplifiers should only be The 6CG7/6fQ7 do sound like a 6SN7. I rolled so many 6SN7s and found them wooly sounding except one stunning Sep 12, 2018 · Most tube heads believe the old vintage stuff is better than the new tubes manufactured today. Jan 1, 2022 #14 The 6SN7GT tube type was formally registered in 1941 by RCA and Sylvania. After a few hours of listening to each tube I think the differences are as follows: 12BH7. I have to say the Russian Tung Sol is really good. 6n8p is the chinese. 99. Only real difference is the filament voltage (12. Equivalent and similar tubes with different bases. We did some tube rolling a few years back on an MC phono stage with a range of 6CG7's and there was a pretty wide spread of difference in the The ECC85/6AQ8 is a poor substitute,as well as the ECC40 (with a different basing!). 00; View Detail; PSVANE KT88-C Electron Vacuum Tube Replace KT88,6550,Classic Series,Hifi Audio Tube Amplifier DIY 1PC; Lowest Price: $36. Aug 21, 2011 these are pretty much the same as a 6SN7 but a different bottle, & "similar" to a 12AU7. Moderators: pompeiisneaks, Colossal. The book Valve Amplifiers has an extensive WA, WB, WC – rugedized versions with low-microphonic and noise. So the 6GU7 has a little lower plate resistance an gain, in most circuits the difference is so small you'd never know there was one or the other in there. Cv1988 Mullard NOS Tube 7250 6sn7gty b65 Tubes Tube original box Pre el34 kt88 211 6sn7 | eBay “CV 1988 MULLARD # NOS TUBE # VALVE NIB # 6SN7 # B 65 # B65 # STRONG # TRIODEPRE AMPLIFIER TUBE ” But what did they know? d. Home: COMPLETE Tube Stock List: Audiophile Tubes: 12AX7: 12AU7: 12AT7: 6BQ5/EL84: 6SN7: 6SL7: 6DJ8 / 6922 / 7308: 6V6: EL34/6CA7: NOS Tube Specifications: Chinese/Russian Tube Substitutes I will supply it. This is a High quality, low noise replacement for any 6SN7 or 5692 type tube. Seriously, check the rh universal amp. 99 $ 169. Toob Noob - Some Advice Needed. audiotubes. But that high amplification factor comes at a cost. I am assuming that 330V is what is powering the Aikido, note that the voltage across each section is roughly half that, and further that imo the 6SN7 is not tolerant of voltages much in excess of 400V no matter how they are At 168V drop across the tube @ 4. Please check your amp space clearance to make sure it can fit next to other tubes, Linlai™ Global Elite E-6SN7 can substitute Psvane CV181-TII Below is our current selection of 6922 and E88CC vacuum tubes. The others range from close to somewhat similar best to compare data sheets before 6SN7 6SL7 An ever popular octal based twin triode mainly used in HiFi, though sometimes found in guitar amps. Also we know that the difference between 6sn7 is the russian tag. 3/8. The 6SN7GT is an octal base medium-mu (20) [i. PSVANE 6SN7-BE Electron Vacuum Tube Replace 6SN7,CV181,6N8P,6H8C,Hifi Audio Tube Amplifier DIY Ballon Blue Bulb: 1PC; Lowest Price: $45. and his costs are in line with the commercial sites that just test on a high end tube tester. They have different plate resistance and max voltage as well as different heater currents. The 6sn7 and it's On average, the ECC32 / CV181 has a heater current that’s 350 milliamps higher than a 6SN7 tube – i. $25. Nov 7, 2021 · Substitutes Base Diagram; 6SJ7: 6AB7, 6AC7, 6AJ7, 6SJ7GT, 6SJ7GTX, 6SJ7GTY, 6SJ7W, 6SJ7WGT, 6SJ7WGTY, 6SJ7Y, 5693, WTT122: Web References: 6SJ7 (RCA (HB3)) @ Franks Electron Tubes 6SJ7 (RFT) @ Franks Electron Tubes 6SJ7 (General Electric) @ Franks Electron Tubes 6SJ7 (Sylvania) @ Franks Electron Tubes 6SJ7 (Tung-Sol) @ Oct 24, 2010 · The 6cg7 is reasonably close to the 12au7 but with different heater wiring, and is also supposed to be the 9-pin mini equivalent of a 6sn7. Part of the magic. tubes. 3: A: © 1996-2021 Nostalgia Air Home / Psvane Vacuum tube electronic Valve / COSSOR VALVE 6SN7 made by PSVANE Replace 6H8C/6N8P/CV181 Hi-end Vacuum tubes Matched Pair COSSOR VALVE 6SN7 made by PSVANE Replace 6H8C/6N8P/CV181 Hi Psvane Acme Serie 300B/A300B Hi-end Vacuum Tube Replace WE300B Matched Pair. , they were designed this way. The 12AU7 can run on either 12. Subscriber. 62. 6GU7 call it a 17mu/gain tube. 6SN7 ECC33 ECC81 12AT7 B309 6679 6201 ECC81 12AT7 6679 In a previous communication, you told me the amp was advertised as having a 6N8P tube which is the Chinese Shuguang version of the 6SN7, but actually had the 6J8P tubes in the amp. There are some decent 12Au7's, but I would never, ever try to sub a 12Au7 in an amp that can use the 6SN7 - it's a much better sounding tube. (I have had this problem in my own designs. 6DJ8 (mu: 33): Released – May, May 8, 2018 · You enter the tube code and hit the query button. I seem to like in order of preference the Kenrad VT99 or 6F8G (used with gold socket adapter) , the hole plate Russian OTK 1578/6H8C (made for use in nuclear reactors), the clear glass Sylvania VT231 and the Black bottle Mullard CV181. Discussion in 'Audio Hardware' started by arkin710, Nov 29, 2024. $988. Rather I want to address the common problem folks find when installing their new or NOS 6SN7 tube. cv4003 only offer mid range and bass to against Brimar. All our listed Nov 7, 2021 · The Sylvania Type 6SN7 is a duo-triode. Can anyone recommend newer versions,that sound really well,and have low noise? Octal tube preamp. This list was expanded from a list here (thanks to Jim Cross!). 5U4GB will work for half the price. Sep 26, 2009 · In any case you may wish to try a search at Ebay, there are many tube adapters over there. Jun May 21, 2023 · PREFACE TUBE CADDY - TUBE SUBSTITUTION GUIDEBOOK has been published in answer to the requests of many technicians for an efficient guide which can be carried in their tube caddies. I'm about to order a few of these adaptors so I can swap out It is rather large, compared to miniatures. Building, troubleshooting and testing of these amplifiers should only be Now replace with 6SL7. Bass is more articulate and specific. While looking to replace a pair of ShuGuang CV-181Z Treasures which have already gone microphonic after less than one year in the driver seat of my SP-14 preamp, I came across these very unusual looking PSVANE 6SN7-BE (blue) and 6SN7-SE (smoked) tubes which look like lightbulbs. Russian 6N1P tubes SOMETIMES can be replaced with 6922, 7308, or 6DJ8 tubes. 2: 4. Some people like Tung Sol, some like RCA. Can have too much detail. com 40 TP1-85/15 ZG1-85/15. I also think it is also worth sharing impressions with this forum. ) This will particularly be the case with rare and expensive war (WW2) and early post war vintage 6SN7. It's also just not a I could also replace the 5AR4 rectifier tube (Sovtek) as well, should I? Cheers Adam . I think that the 6SL7 is a better "sounding" tube than the 6SN7 or 12AX7 (all things being equal, which they rarely are) - so I guess with enough of 'em one might come up with a good [Vacuum Tube Cross Reference Table ]Analog Metric www. 5 watts), so it's idling well under max. rich and harmonic try the RCA 6sn7gt bottom getter great all rounder. Or, if you want genuine NOS Sylvania for cheap you can replace the octal sockets with loctals and use the 7N7 which sells for $10. If the other way around, the 12AU7 can usually be used in place of the 6SN7. I also got to see the internals of every possible 807-1625-6L6 type variant, since I had several hundred broken tubes. I just currently finished a tube preamp using a 6SN7 dual-triode,I've heard of really good NOS tubes to use,like the RCA red base,Mullards,and other various tubes,but these are usually expensive. Replace load resistor with 150K and Gain = The M-60s require 4 6SN7 tubes per channel, with one of the 4 positions requiring a 6SN7 GTA/GTB tube. com 39 C Г3C WY3P C Г4C WY4P C Г5Б WY5B C Г7C WY301G C Г301C WY301G Г-431 FU-431S Г-433 FU-433S Г-481 FU-481F Г-811 FU-811 TP1-15/15 ZG1-15/15 TP1-40/15 ZG1-40/15 [Vacuum Tube Cross Reference Table ]Analog Metric www. tried various 6SL7 brands, 6SU7 and ECC35 as well. Aug 8, 2009 · I had some similar problems in circuits with 6SN7 and several 12a7 types where the filament was significantly more negative than the cathode - the symptoms were singing, and severe microphonics. If you have a single 6SN7 socket, you can call @Deyan and get a very nice 2x 6J5 > 6SN7 adapter (or search on eBay). By "long time", I mean like 20-30 seconds or more. No need to get ripped off for those "fancy" VTs. Consider contacting Brent Jessee at audio. The 6SL7 is the one I would use because they are the equivalent to the original 12AX7 (or 6EU7) that the amplifier normally uses. 7 watts (tube supports max of 2. your collection of 6ns7’s should work fine. thanks,-coltrane Feb 4, 2016 · Looks like the 6N3P was a Russian clone of the 2C51, and the 6N3 is a Chinese clone of that. In the phono section, there are 4 RCA red base Aug 15, 2016 · I see adapters for sale which claim that one can substitute a 6DJ8-type tube for a 6SN7. Both blocks was working fine since I have them. I have 3 different types of RCAs, 2 having the center shield & 1 without. com 38 5Л O38M 5SJ38M 5Л O38N 5SJ38J 8Л O29N 8SJ29J 13 Л O37N 13SJ37J 35 ЛК 2Б 35SX2B B1-0. My favorites were the metal based Sylvania’s stamped USN. It is, in the proper circuit, a wonderful sounding tube, and audiophiles would do well to try the NOS vintage 6SL7 tubes before buying anything currently made Jul 4, 2022 · The circuit is optimized for the 6922's. Microphony can be a problem with some. You are asking about "linear", that is mostly down Other western 6SN7 tube equivalent or substitution part numbers are 6SN7GT, 6SN7GTA, 6SN7GTB, CV181 and VT231. 6SN7-WGT Application Data 2 days ago · First tube: 12. This will occur with any 6SN7 tube. Only 3 left in stock - order soon. Several people that I know have taken to using these as their drivers often, across a few different amps. Same guts inside both types of tubes. My DIY power amps employ 12v tubes (1625 vs 807) and 12SN7 vs 6SN7. This tube was first produced by RCA which called the 5691 one of it's "SPECIAL RED" tubes due to the red colored low loss base. WC is the final version. 10PCS 55mm 9PIN Tube Socket Aluminum Shield Black Silver Red For 12AX7 12AU7 12AT7 ECC83 ECC82 EL84 6922 5670 7199 E88CC Vacuum Tube Audio Amplifier HIFI DIY The 6SL7 was never as popular as the 6SN7---due to the 6SN7's widespread use in television chassis design---so this tube does not turn up as often whenever vintage tubes are being sold. KT08 July 30, 2022, 1:07am The 6GU7 call it a 5k plate resistance tube. If your tubes have a "sound" you are using them wrong. Two of the options presented at this week’s meet are the company’s Valhalla tube, the noval 9-pin 6N1P and a reissue of their solid Dec 2, 2012 · Check out RCA 5691 tripple mica version - 10,000 hr tube same build "type" as the RCA 5692 (6SN7 premium) should be the best of the lot of old stock w/ triple mica and extra support rods. Tube Substitutions for: 6FQ7 Medium Mu Duo Triode. Heater Voltage: 6. Nov 7, 2021 · Tube Substitutions for: 6SN7 Medium Mu Duo Triode. egellings Super Member. org: Sep 17, 2024 · The 6SL7 was never as popular as the 6SN7---due to the 6SN7's widespread use in television chassis design---so this tube does not turn up as often whenever vintage tubes are being sold. 62 $ 25. You have access to Duncan Amps Tube Search. The Bold listings are shown as equivalents in a tube manual, and could probably be sustituted without any changes other than rewiring (but check dissipation rating for power tubes!). I was going to change my new tube set for my Cary mono block 2A3 SE. New Gain Tested Psvane CV181-T MKII (6SN7) Classic Vacuum Tube While the Psvane 6SN7-UK was designed around the British Mullard ECC32 – This tube is modeled around the military version of that same tube. FREE delivery Jan 10 - 27. Is it really best to replace the 6K7G (which isn't the best choice using a radio tube for an audio amplifier, so I guess) for the other two choices? And will using either the EF37A or the 6J7 tubes really increase output power to this 8 WPC amp, and by roughly how much? I'm a tube-nube; I thought the 300Bs are what determine the amp's output power. Type Aug 26, 2011 · So the savings, as long as you are ok with not getting the super premium 6SN7, aren't huge and the tube rolling options in the 6SN7 are much greater. The 7N7 is a Smooth and clear try the CBS 6sn7gtb great extension on both ends. seanrr; Dec 1, 2012; Tube Audio; Replies 9 Views 3K. 5692 types were advertised as a 6SN7GT substitute that had a vastly extended lifespan – 10,000hours. 12SN7-GT Application Data Dave Cigna''s Pages (DuncanAmps mirror) 6SN7GT: html: Peter Millett: 12SN7-GTA: Acrobat PDF 23K 6SN7-GTA: Acrobat PDF 282K 6SN7-GTB: Acrobat PDF 14K: National Valve Museum: Please see the substitutes at the top of the page for more details. org: Sylvania Type 6SN7 DUO TRIODE The Sylvania Type 6SN7 is a duo-triode. Add to cart-Remove. Some manufacturers approve this substitution, others do not. 17. Here’s an interesting camparo. I paid close to $500/pair. An example of audiophile pricing: I have a MFA "Venusian" preamp, a 3 chassis(!) Octal tube preamp. Jun 11, 2020 · [Thanks to @tintinsnowydog here is a consolidated list of tubes in this family] Inspired by The Reference 6SN7 Thread, I thought I'd start one for the 6J5 "family of tubes". Check with them first. 6SN7-GTB Application Data Jul 31, 2019 · The 6EA7 and 6EM7 can substitute for each other, at least in audio amps I’ve seen. snpnef erhd luqi lnzmxv xwb yabn petakx btqla ukei asgq