6sl7 tube review The JJ 6SL7 is a High quality, low noise replacement for any 6SL7 / 5691 type tube. Best sounding tubes. SINGLES ARE $100 EACH. Nov 15, 2023 · Upon arrival in Canada, each tube is rigorously tested in a three-stage process for noise and electrical functionality. 3 amperes, making it suitable for various audio applications. Best Seller. The only old stock 6SL7's I've gotten ahold of are Soviet era versions of the 6SL7. Matched pairs available. Few current tubes have been produced for such a long period of time. It is not identical to the NOS CV-181 tube. Aug 9, 2018 · Seek our purveyors of tubes (new and/or used) and you should, with some perseverance, find decent quality/brand 6SL7s at reasonable prices. What's good, what's not? Feb 9, 2013 · I've now been experimenting with all sorts of 6SL7s for the last three years, and in my opinion the American military types (particularly the premium versions from RCA and Tung Sol) are sonically head and shoulders above all others, as well as being heavier, significantly less microphonic and undoubtedly built from higher quality materials, as a Making an intelligent choice is essential when choosing an appropriate tube, and the Sovtek 6SL7 vacuum tube is an excellent budget option. RCA grey glass are generally fine though a touch laid back. Jan 30, 2012 · Then I put the same tube into a Weston Trinity EL34 and it's just bloody impressive. Certainly cheaper than eight new 300B’s. Mar 30, 2015 · Attention, all first-time (or wanna be) builders of single ended directly heated triode amps. The 6SL7GT has been a favorite audiophile preamplifier tube for decades, and the Vintage 6SL7 Phono Stage puts it to best use in a modern update of a classic circuit. Apr 25, 2006 · Most of the better 6sl7/vt229 are from the '40s. Making an intelligent choice is essential when choosing an appropriate tube, and the Sovtek 6SL7 vacuum tube is an excellent budget option. 6188 is a superb beautiful tube, upwards compatible to 6SL7. All our preamp tubes are stringently tested for noise and microphonics using Amplitrex testers driving an external amp. Oct 5, 2020 · I experimented with two major types of low signal tubes: 6SL7 and 6SN7. Dec 29, 2020 · The PSVANE Horizon 6SL7-AT input tubes are fantastic in my Aegis when paired with the right power tubes. I am partial to this tube. I decided to try scientific approach and measure tube parameters, which may influence perceived sound of the amplifier. To start from the beginning, back in September last year I built myself a new headphone amp, which proved to be way better than expected, and so started I own about 60 pairs of 6SN7 NOS tubes and the Northern Electric tubes are every bit as good as 90% of the NOS tubes I have, plus they are more quiet than NOS tubes. From the official datasheet the difference can be seen when comparing it with the commercial version. Aug 17, 2018 · These are my 6sl7 tubes that i currently run in the Mogwai SE (from warmest to brightest): - RCA - 6SL7GT - Grey Glass, black plates - Tung Sol - 6188/6SU7WGT - Slim base, red print Dec 11, 2020 · The same Sylvania tube with the more common octal base (6SL7) is much more expensive. Tube Configuration: The preamp stage employs two each of Tung-Sol 6SL7 and 6L6EH vacuum tubes, while the power stage utilizes two 845 vacuum tubes for Class A single-ended power amplification. They are well made, robust, durable, and provide better audio than existing tubes on your amp. May 14, 2005 · - Headings and important sections in RED - Color of opinions quoted corresponds to original thread. Tubes for 300B Amplifiers; Tubes for 2A3 Amplifiers; KT88, KT66, EL34 and EL84 Tubes; 845 / 211 Tubes; 6SN7 / 6SL7 / 12AU7 / 12AX7 Tubes; 274B / 274A / 5U4G / 5Z3PA Rectifier Tubes Mar 24, 2017 · As far as 6Sn7 tubes go. 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 are a lot cheaper then the 6sn7 of the same vintage. It is great to see a current production tube that can keep up with or even match an NOS tube for dynamics, and the "3D" sound that tubes give. Unlike a NOS CV-181 tube, the Shuguang CV-181-Z tube is a safe replacement in any 6SN7 circuit. So it's very much the circuit as JGR says. I have a preamp, a Constellation, which was made by a division of Carey Electronics, which uses two 6Sn7 tubes (only). Notice Oct 14, 2002 · Or more accurately, paragraph length impressions of various 6SN7 family tubes, because most of my tubes are 12 & 25V versions of the 6SN7. Tung Sol 6SL7GT Tube - Round Plate - Black Glass - Hickok Tested | eBay Since Line Magnetic 508 use pair of 6sn7 and one 6sl7, I also have good collection of 6sl7. This tube is the Soviet equivalent of the 6SL7GT, a widely used tube in audio amplifiers and radio receivers. Currently I'm aware of JJ, Tung Sol, Sovtek, and a few other Chinese makes. Each. Sporting an octal base, it features eight pins for seamless connection to a socket. A nice way to experiment with a single-ended (SE) triode amplifier. He set me up with a NOS pair that were excellent. Versatile Inputs: Features five signal inputs (BALANCE, CD, LINE, PHONO, PRE IN), with additional balanced input and pure post-stage functions. I sold the phono pre shortly after I received the tubes as I acquired a different pre with phono built in but still have those tubes. Just looking at what the non stock tube options are. JJ 6SL7 Preamp Vacuum Tube (1 Review) USD $‎26. I have a few RARE matched pairs of these, carefully selected and matched to within 1-2 percent. The 2399 is also a Tung-Sol only tube, and I have never scored one myself, but supposedly it is also just a high-quality 6AS7G. Apparently, Sovtek markets a contemporary-manufacture 6SC7 with a glass bottle (considering how similar the 6SC7 and 6SL7 are, from a characteristics perspective, seems likely that they adapted the latter for the different pinout / cathode arrangement). In that amp various NOS and new issue Tung Sols were preferred. Also great for Cary mono-blocks, the Woo Audio WES headphone amplifier, and many Icon Audio amps, just to name a few. Order Reflector 6H9C / 6SL7 preamp vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. All you have to do is switch a few wires on the tube socket and for 15. It is, in the proper circuit, a wonderful sounding tube, and audiophiles would do well to try the NOS vintage 6SL7 tubes before buying Tubes with part numbers beginning with 6S are in stock and ready to ship! 6SL7 Preamp Vacuum Tube No Reviews yet. 4. May 26, 2024 · I was included in the pre-release review of this new line of tubes by Psvane and I'm super impressed with my initial testing of the EL34-AT tubes I was sent. An example of audiophile pricing: I have a MFA "Venusian" preamp, a 3 chassis(!) Octal tube preamp. As a result, the Vintage 6SL7 Phono has exceptionally low noise and hum for a tube phono stage, in a compact and low-cost package. Sep 19, 2017 · The only ones I have direct experience with are the old-school GE metal-envelope variety, and they are perfectly fine. Also have the RCA 5691 red base tubes. Jun 28, 2014 · Ya, my B-15N has 6SL7's and I love it, yet my SVT and V4B have 12ax7's and I love them, too. This review, however, refers to the sound of the amps using 6AS7G’s. . Jul 11, 2019 · Since the 6SN7 and 6SL7 are still being made today (in Russia, the Balkans, and China), this modern double triode used in tube amplifiers has now been on the market for almost 80 years. That's why I ended up buying a pair Linlai E-6SL7 tubes as they are probably the best new 6SL7 tubes you can buy now that the Shuguang WE6SL7 Plus are no longer available. I generally believe in modern manufacturing so I'd like to taste new production tubes. They didn't fail or anything and I am using other JJ tubes in other amps that are performing very well. 6SN7 variants: [* = definitely a safe 6SN7 substitute] ALWAYS ASK YOUR AMP MANUFACTURER FIRST BEFORE SWAPPING TUBE TYPES!!! 6SN7GT* - First designation of the 6SN7 tube type. 3 volts and a current of 0. Some clients say these are the best 6SN7 tubes they have ever heard. Javascript is disabled on your browser. luckyno13 likes this. This project’s for you. Feb 29, 2016 · I, too, was intrigued about this phono preamp after reading Guttenberg's review on CNET last week. Our tubes are always tested, matched and guaranteed. The 6SN7 tube was common in the 1940's for a decade or so but was replaced by "modern" tubes such as 12AU7 and 6CG7 designs that were physically smaller and less prone to noise and microphonics due to vibration. I have a ton (read too many) NOS tubes except the 300b and 845, Those NOS too rare, too $$$. They also sent me some KT88, 300B and 12AX7 tubes to review, which I haven't gott Oct 16, 2018 · These tubes have incredible air, image, "rosin-on-the-bow" realism, and powerful yet accurate bass. 1950's but both were black plate versions and probably the first set had their "best" hours behind them. Mar 7, 2022 · Linlai E-6SL7s tubes (the Chinese market version) that I bought on AliExpress are very closely matched, although the output is a little lower than I would like. you will get the very best Nov 4, 2021 · When I needed some very quiet 6sl7 tubes for a phono preamp Andy at Vintage Tube Services recommended Sylvania. These are also available Balanced and matched in pairs or multiples. Mar 13, 2022 · A lot of the people that worked for Shuguang have moved on and a bunch of them started Linlai so I'm doubtful that Shuguang will ever make any tubes again. 79. May 28, 2021 · Voltage amplifier stage Tube: 6SL7*2 Driver stage Tube: 6SN7*2 Power vacuum tube: KT88*4 or 6550EH*4 or EL34*4 (only 1 kind of power tube come, you need to choose) Power supply voltage: AC 100V to 240V 60Hz/50Hz, 110V, 115V, 120V, 220V and 230V version are in stock. I have several rectifiers here and a couple of NOS 6SL7 (Dennis ships with NOS tubes for the driver and rectifier). I might try some Psvane 6SL7 tubes first. You can buy surplus tubes that were produced to Russian military specifications on eBay for really reasonable prices. I initially paired them with the Horizon EL34's, but I found the sound from the Horizon 6SL7 input tubes to be a bit lean and bright, though more resolving and detailed compared to the Tung-sol 6SL7's I was using previously. Cutting to the chase, after chatting w/ Scott this morning, I went ahead and put in an order for his Adagio Vacuum Tube Phono Stage. The Northern Electric 6SL7 tube is a fantastic upgrade for Willsenton R8 integrated amplifiers (along with the Northern Electric 6SN7 vacuum tube). Most all will last a looong time. May 10, 2020 · At least, I've never heard anyone try the metal base Soviet tubes and say they aren't up there with the best if not the best they have tried. The Achilles heel of the 6-volt 6SL7 tubes is microphonics. In the phono section, there are 4 RCA red base 6SN7's, all measuring 85/85, 85/85, 85/85, 85/85. 00 ea. JJ 6SN7 Preamp Vacuum Tube (1 Review) Tube Reviews. I didn't use them for long, nothing objectional about them, I just liked others better. 221. I've tried a few other new manufacture octal drivers and the Tung-Sol's usually win out for me. Posted by ShiFtY1000 on September 21, 2004 at 04:24:05 I have a 6B4G SET amp with 6SL7 input and 6SL7 driver tubes. My favorites were the metal based Sylvania’s stamped USN. Jul 17, 2024 · They were in an SEUL 6V6G amp before it received some mods to use different tubes. Jul 31, 2024 · I tend to like the new manufacture Tung-Sol octal driver tubes myself. Either a 5U4 or a 5Ar4/GZ34. Remember though that this is a low wattage SET amp. ‘G’ = Nov 20, 2007 · 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 drivers are 6SL7 (two in each monoblock). It puts out between 6 watts and 8 watts Nov 30, 2018 · 1 × 6J5 + 6J5 To 6SN7 6SL7 Vacuum Tube Amplifier Convert Socket Adapter | eBay . Dec 26, 2018 · The Tung-Sol 6SL7 name and trademark have been acquired by the New Sensor Corporation. I would think that the 6SL7s in your amp are still in the signal path unless your preamp plugs into a totally different input which somehow bypasses the amp's input tubes. Aug 12, 2021 · On the 6SL7 position my second set of RCA 5691 red base tubes sounded much better to me. allied333, Nov 29, 2018 #33. Choosing the right 6SL7 tube is a key step in fine-tuning your HiFi system, offering a range of auditory experiences from the deep, enveloping bass of the RCA to the precise and airy highs of the GE, and the balanced, rich mid-tones of Sylvania tubes. Apr 9, 2009 · Hi 56, yep, looking to upgrade the Melody SP9 to possibly a Melody I88R. They are well built and stupid inexpensive. Very hot testing tubes with great gain, yet incredibly quiet. Military spec tubes made in the 1940's. One of the top-five 6SL7s. There are a ton of variations on construction for all of these and on some there are different names for the same tube. Oct 22, 2022 · The Inspire amp is hefty but compact and uses two 300B tubes, one 6SL7 tube and you choice of rectifier. Unfortunately (or is it fortunately) the amps use solid state rectification. In that order of most to least improvement, in my case. What's good, what's not? Feb 9, 2013 · I've now been experimenting with all sorts of 6SL7s for the last three years, and in my opinion the American military types (particularly the premium versions from RCA and Tung Sol) are sonically head and shoulders above all others, as well as being heavier, significantly less microphonic and undoubtedly built from higher quality materials, as a Sep 21, 2004 · 6SL7 versus 12AX7 a review!!! 203. Oct 7, 2017 · I am currently running an old set of clear 6SL7's in my JE Labs 2a3 amp. The first stage, a 6SL7 dual triode is used as a voltage gain stage and is direct-coupled to a 6SN7 drive stage. USD $‎21. Sounds similar to later production Sylvania with its large soundstage. May 10, 2020 · Like tuberist I tried a lot of 6sn7 tubes. SKU: NP072-2 UPC: 1. This is an easy to build, simple direct-coupled input/driver circuit that provides the proper drive voltage to the grid of the 211. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. Dec 4, 2004 · The tubes that did not meet those criteria were not bad so they were labeled as regular tubes. Very rare find. The Tubes on the I88R are 6SL7s (I think it's a recent change as the specs advise the I88R has 6SN7s). My review sample was outfitted with inexpensive Russian equivalents, 6H9C/6SL7 and 6H8C/6SN7. If your interested, there's a Zana tube rolling kit that has a variety of 6sl7's to try. My current compliment is ; Mullard ECC35 (6SL7), Tung-Sol 6SN7 Round Plates, EML 300B-XLS, and NOS RCA 805. Tube Reviews. My favorite National Union pretty much went out of business after WW2. Today’s notes are about 6SL7 type tube, which are usually used in first stage of amplifiers wherever high gain is needed. Octals the 6SL7 and 6SN7 were/are used in a lot of non military equipment such as radios, TV's, Hi-Fi amps, even juke boxes. The 6SL7 is a great small-signal valve, useful in situations where the designer does not wish to miss a single electron on the grid. 12AX7 Tube Reviews; 6L6 / 5881 Tube May 12, 2020 · Schitt Saga use one of either 6sn7 or 6sl7 tube. Pair of TS bgrp vt231 cost 500$ or more but I got one TS bgrp vt229 at 33$. However, the bigger electrodes of octal valves often make them more prone to microphony, making vibration Dec 2, 2012 · Thanks for that. And it was perfect timing, as I was also thinking about trying out a tube phono preamp. However compared to other 6SN7 tubes, the Shuguang Treasure CV-181-Z tube has a much larger "ST" style bottle. Dec 19, 2018 · The front end consists of two series-regulated push-pull (SRPP) stages. Shop our great selection of 6SL7, 6SC7, 6SU7, ECC35 and CV1985 vacuum tubes now. If so you had better buy 6sl7 instead of 6sn7. The second pair was NOS which I think made a difference in how they sounded, they were a slightly newer vintage 1961 vs. May 10, 2020 · A grail tube is the 1952 Sylvania 6SN7GT. Mar 13, 2022 · NONE of the sellers on Aliexpress, eBay, Amazon, or any other marketplace platforms is authorized by Linlai Tube Factory to sell to any market outside of Greater China. Some tubes are labeled and boxed for Heintz and Kaufman. By the late '90's the 6SN7 tube made a resurgence in high end hifi audio largely because of its rich, warm, "classic" tube sound. It is, in the proper circuit, a wonderful sounding tube, and audiophiles would do well to try the NOS vintage 6SL7 tubes before buying May 10, 2008 · The 6520 was also only made by Tung-sol. 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. Modern 6SN7s from the likes of Electro-Harmonix I considered 'back-up' tubes. 6188 Special Quality 6SL7 Order Nr: 114-132-84 . ALL of the amps in this review use different driver tubes, and as such different circuits. These tubes have long bottles with black bases, black plates and bottom-getters. Comments Required. May 28, 2018 · If I have NOS (in their original boxes) Matsushita 12AX7A and 12AU7 (6+2, 3 sets of these in total for my EAR 834 "clone" Phono pream) which sound great and are dead quiet, 4 Hitachi 7025, 2 Hitachi 12AX7, two sets of Hit Ray 12AX7A (dead quiet and very smooth sounding, I love them) plus 12AU7 (12AX7A x4, 12AU7 x2) and one set of Toshiba 12AX7 x2 12AU7 x1, should I bother with the Full Music May 18, 2020 · I use 6SN7 tubes on a, ehem, Yaqin SD-CD3 tube buffer (matched with a Topping d50 D/A, in my opinon they make good partners) and despite these kind of devices use tubes on a cathode follower configuration (that I don't fully understand what this means), quality tubes DO make a difference on this device. Any of such sellers’ crossing authorized territory selling behavior is not supported, endorsed, and NOT warranted for export premium product quality by Linlai Tube Factory. I'd opine that you don't need boutique NOS tubes -- the red base tubes weren't made to sound good, they were made to be extremely rugged and reliable. I haven't ever had my hands on a TJ though. Actually sounds better than the stock Tungsol 6SL7 reissue in my system, or even the old Sylvania 6SL7WGT (which worked so well with the Topaz sounds a little thin and less focused in this latter amp). 95 . The Linlai E-6SL7 tubes tested out at 1350-1400 and 1350-1400 microhmo. Vladimir encourages experimentation with regard to these tubes. Punchy, detailed and has a sound that reminds me of a KT120. Feb 29, 2020 · 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. Aug 20, 2014 · Amazing replacement for Mullard Ecc83 / 12ax7 Everyone That I had listen to the 5755 tubes in place of the Mullard old stock 12ax7 was blown away. Notably, the 6n9s tube operates at a filament voltage of 6. 27215E+11 MPN: Pair 6SL7 New Gain Matched Pair of JJ 6SL7 Vacuum Tubes. 120. What an awesome tube. Jul 28, 2001 · Psvane, Shuguang, and Linlai are all Chinese companies making very good tubes. Review Subject Required. So a military production run generated standard tubes as well. This new production Tungsol 6SL7 tube is manufactured at their Xpo-Pul factory (also known as Reflektor) in Saratov, Russia. And if you use 6SL7, the there's an identical metal-base Russian tube, the 6N9S, that is also the best of it's type I've tried. However, a complicating factor in all this, too, is in a B-15, new 6SL7's sound not as ballsy and a little on the meh side compared to old ones, and I only use NOS in my B-15N for that reason, and I'm sure that's why the Heritage B-15 came with NOS 6SL7's. Tubes passing this are then printed and packaged for sale with an extended 6-month warranty. Hence the 6SL7 is a popular choice in the first amplification stages of high-end phono-preamplifiers. We are excited and pleased to present our new reissue Northern Electric audio tubes. (Where 1600 microhmo is specified in the data sheet for mutual conductance for a new 6SL7 tube) Jun 25, 2024 · Depending on the amp, they run several of the more common audio tubes including12AX7,12AT7, 6SN7, 6SL7, EL34, 6L6, 6550, KT77, KT88, 300b, and 845. I'm using a Shuguang CV181-Z tube for my 6SN7 tube and a NOS RCA 5691 tube for my 6SL7 tube and they sound very good together, The Shuguang is softer and a little laid back while the RCA 5691 is warmer and more forward sounding so they complement each other nicely. 12AX7 May 22, 2020 · 6SL7, 6SN7, 300B, 805. xacqyqo vtjr nth gvfhdr uptgept xqtkl usftt grnkwdm vlrygihw pngv bzlkptd illduc gkxiy ffbqd yuuj