6l6gc tubes equivalent. Sylvania 6L6GC had 30W max plate dissipation. Granted, they don't have the "slam" or the bass of KT88's, but they are very nice pleasant and realistic sounding power tubes. They are also similar to the 5881 and could be used as such. The Listening Test. They can handle solid plate voltages and are very well constructed. In fact, the Sovtek 5881 was designed around these. #9. The 6L6 vacuum tube was first released by RCA in 1936. Groove Tubes GT-6L6 Russian Power Tubes – Medium Duet. Nov 1, 2016 · The Preferred Series 6L6GC is an in-house design from www. If your amplifier calls for this tube, you probably CANNOT use some of the earlier 6L6 tubes as they are not rated this high. powerful as a GC. (M-OV) of Britain in 1937 and marketed for application as a power amplifier for audio frequencies and driver for radio frequencies. They're even cheaper most of the time. KT66 - A 30W variation of 6L6, requires higher heater current. Jun 18, 2019 · The 6L6G, 6L6GC-STR, and obviously the 7581a I started this thread about. Now, there are the tubes that were manufactured for FM commercial service. DOWNLOAD PDF. Physically, this Mullard 6L6GC tube is a kissing Apr 10, 2019 · The 6L6GC has 30W anode dissipation, plus in most makes a rather more rugged internal construction. (If you’re looking for a decent medium-sized tube KT66 vs 6L6. The GC's had a 30 watt plate dissipation rating and a. Contents. #1. I have run 6L6G in my PYE’s and they were happy enough. Nov 6, 2010 · Also, the 6L6GC is a 30 watt plate dissipation tube while the KT66 is rated at 25 watts. Sound Characteristics: EL34 tubes sound darker and heavier. PYE list 6L6 as equivalent for their HF25 which runs at B+ 450V, which is well above the Quads. Ltd. The 6L6GC is the latest version of the 6L6 tube. Vf 6. They are unused old stock made for OEM amp makers so there is no label or logo. It is a newer, revised version of the TAD 6L6 GC -STR (I reviewed the WGC, a slightly different tube). 7. The 6N3C / 6P3S Tube or 6pi3C is the Russian equivalent of the 6L6GT. Tube prices. The 6P3S (6N3C) is an equivalent of the famous 6L6GC tube and will replace them directly. The 6CA7/KT77 internals are closer to 6L6 or 6550 than EL34. We agreed that I’d throw a few of my own tubes, including the Tung-Sol EL34B and Shuguang 6CA7-Zs I Oct 25, 2019 · The bias setting for any amp depends on the actual voltage the amp runs at. Some amps may simply wear these tubes out relatively quickly, other amps could be damaged. Headroom: The 6L6 has more headroom, meaning PRICE!! While new 7027A's are $95+ each and 6L6GC's are $75 each (or more), our 6BG6GA's are only $18 each!! We are offering adapter kits to convert 6BG6's to 6L6's or 7027A's for only $10 each (they only differ in the way they are wired). 75 W vs. The 454's are the winged =C= SED's. They're pretty tough tubes too, and vintage ones go for reasonable prices. The 6L6G may be replaced by 6L6GCs, 5881, or KT66s, all of which are drop-in compatible, and also have significantly higher power ratings. The post #6 schematic is most likely running with those mu follower drivers for high power output with 450V B+. Jul 2, 2014 · KatieandDad said: I think the 5879 is similar to the EF86. The 5881’s price varies from $60 to $120 per pair. Dec 21, 2018 · 6L6GT are very nice sounding power tubes. 6CA7/KT77 does not have the same smooth textures and breakups as the EL34. They're not supposed to; they have the same voltage. 00. 6L6 is the designator for a beam power tube introduced by Radio Corporation of America in April 1936 and marketed for application as a power amplifier for audio frequencies. thetubestore. Jan 11, 2013 · Put in the new tubes turn on amp and then slowly bring the bias up on each tube to about 85% of the normal bias for that tube type. From what I've read, modern 6550 tube amps are also compatible with an exceptionally WIDE variety of tubes including the following: 6550A - 7D11 - 12E13 - 7027A# - KT88 - KT90 Type 2 or 3 - KT99 - KT100 - KT120 - KT150 - KT190. Here is the pictures of the same amp with 6P44S, and schematisc of whole amp with new bias circuit. 27A filament current, where 6L6 tube draws only 0. Sep 29, 2015 · Ratings. It is used in the output single-cycle and push-pull cascades of low-frequency receivers and amplifiers. It takes the typically 6L6GC/7581 30W rating and raises it 5W to 35W plate dissipation! This is the same rating as the vintage USA made 7581A tubes. A custom 6L6GC switching box was constructed to allow for a quick switch comparison of two tubes at a time while plugged into the V2 socket of the same fixed bias, single-ended guitar amplifier used for the frequency sweep. It is nearly impossible to find data on the tubes' output in class AB operation (which is what we are concerned with for guitar amps). Sep 29, 2015 · Harmonics. These are Russian designator (6n3CE, 6P3SE) and are directly equivalent to 6L6GC/5881 from NOS Russian Military stock They have a "coin" or small base as shown in the picture. He was told that they are exactly the same tube despite 6L6GC Russia 6n3CE small base matched pair. Thread starter Teleplayer; $18 for a NOS 6L6 equivalent is a no brainer for me (tube plates similar to Syl. In use, 6L6GC offers significant performance improvements over power pentodes. 4. JJ T-6L6GC-JJ-MP Electronics Amplifier Tubes (Editor’s Choice) The JJ Electronics’ T-6L6GC-JJ-MP amplifier tubes find widespread application in guitar amps serve as the yardstick for all 6L6 tubes. Summary: A very rugged tube providing a clean, warm sound that overdrives nicely. The use of treated grids and anode also improves the tube's overload capabilities Nov 19, 2007 · The Tung Sol 7581A is considerably less expensive than the Tung Sol 7027A. Jul 9, 2014 · vinylkid58. Maximum plate voltage on these is 250V. If you are going to make a comparison of one type of power tube vs. Tung-Sol 5881 Vacuum Tube (Close Runner-Up) A Tung-Sol 5881 vacuum tube is a Russian-made reliable re-issue of the original Tung-Sol product. The 430's are the Sovteks. However, it differs in screen and plate dissipation ratings. com offered a set of five EL34-type tubes for review (JJ KT77; JJ EL34 II; Svetlana EL34; Genalex Gold Lion KT77 and Mullard EL34) I jumped at the opportunity. The 6CA7 is meant to be a replacement for the EL34, but it is an original design that imparts its influence on the resulting tone of the amplifier and is similar in sound to the 6L6 vacuum tube. I have some of those, but I use them in a single-ended amp, not a fixed bias. Jan 16, 2016 · 6L6G and 6L6GB are electrically equivalent, according to the data sheets I have, only differing by their envelope. Step 3: Solder a connection between pins 1 and 8 with a small piece of wire. The 1625 is also very similar, but uses a 12 volt heater. Jan 26, 2016 · EL34-family Tube Comparison! When Jon Esau of www. 90. When Jon Esau of www. RCA was responsible for designing and manufacturing many important valves such is the 6V6GT, 6L6GC, 7027a and the super EL84 3. 6L6GB / 5881 - 25W version. Each tube sample used for comparison was chosen because it measured in the middle range of idle plate current draw at 6P3S tube FOTON factory, output beam tetrode. One of the most famous American Valve manufactures of all time. Specs are close to 6L6-GB's but *not* to 6L6-GC's when it comes to max. New & NOS power tubes from Mullard, Tung-Sol, Telefunken & more! The 6P3S-E is the military version of the 6P3S with a coin / wafer base. 6L6WGB) Reactions . Models in the S-5500 line applied increasing voltages as Sherwood gradually upgraded the product, and according to their schematics, power supply voltages in the Jul 5, 2013 · Most of american sweep tubes are not "happy" with screen voltage higher than 200-220V, but europian tubes like EL500, PL500, EL504, PL504, 6P36S and 6P44S works good (and long!) with 350-360V. The Sound is nice - authentic vintage tone. 6V6 tubes are another common type that are used for lower wattage applications and are similarly scaled-down 6L6 tubes and provide a similar sound. Harmonics. [1] [2] The 6L6 is a beam tetrode that utilizes formation of a low potential space charge region between the anode and screen grid to return anode secondary emission Apr 19, 2023 · Similar to 6L6, 6L6GC is a beam-power tube that makes use of the formation of a low potential space charge region between the anode and the screen grid to return anode secondary emission electrons to the anode. These tubes have been used in some of the most iconic amplifiers ever made. These are reissue tubes that are made in Russia and offer a very musical sound. Step 1: De-solder and remove the 470Ω resistor. Please take this into account if your use a mounting clip. limits as a 6L6a, which probably wouldn't survive long in a Boogie Mark. ) A GB is not as. 30/5 W). 6L6GC Comparison of Current Made Tubes. design maximum rated plate. Check bias daily for the first few days, adjust as needed. There will be other differences, of course. PRICE!! While new 7027A's are $95+ each and 6L6GC's are $75 each (or more), our 6BG6GA's are only $18 each!! We are offering adapter kits to convert 6BG6's to 6L6's or 7027A's for only $10 each (they only differ in the way they are wired). This version has a 30 watt plate dissipation, 500V plate rating and 450V 5watt screen rating. They are good tubes thou, but maybe not as plentiful as they once were. BEAM PENTODE. Will substitute for all types of 6L6 and 7027 except for the 6L6GC, KT66, or 350B. NOS Nov 9, 2016 · 2016-11-09 1:15 pm. However, the screen values and dissipation remain increased by about 20%. Jul 9, 2014. So I bought some new Shuguang 6L6GCR. Maximum dissipation of 30 watts, generally interchangeable with KT66. 38 x 115 x mm / 1. The KT66 tube is pin-compatible and electrically very similar to 6L6 tube. Philips ECG 6L6WGB JAN Matched Pair $163. These have max Vp of more like 450V or 500V, max Vg2 of about 400V or 450V. I don't know which russian tube it is but there is suppose to be the 6L6GC equivalent you can get from the bay that are quoted to be good an cheap. 2. While I still love my Vintage tubes, TS are a great substitute. Physical Appearance: Some 6L6 tubes are short and fat, while the EL34 is slightly taller. For 360VDC, Class AB, 50mA. But it doesn’t work the other way around. It actually has a higher plate dissipation rating, 35 watts vs 30 for the 6L6GC. Other tube types in the 6L6 family include: 6L6, 6L6G, VT-115A, 6L6Y, 6L6GA, 6L6GAY, 6L6WGA, 6L6GB, 6L6WGB, 1614, 1622, 5932, and 7581. 6973s are mini power pentodes similar to the EL84 but lower distortion. 95 each) is an in-house design from www. for 400VDC on 6L6GCs in Class AB, RobRob's site says 45mA is 60% dissipation. Can only be used on amps that call for 5881. In appropriate amps such as my Ideal Innovations Custom 30 monoblocks, the 6N3C-E is a great sounding tube. Nov 23, 2010 · The Russian alphabet doesn't (obviously) use English characters, so these are just rough translations for 6П3C-E (the real Russian name stamped on the tube). Jul 13, 2023 · IIRC, at the beginning, the 6BG6 was basically a 6L6 with a plate cap. higher plate voltage rating (450 or so), while the GB is rated at only 23. A nice solid short bottle 6L6 that looks more like a 6L6WGC but has 6L6GC performance ratings. 6P3S-E tube REFLECTOR factory, output beam tetrode. That design will need matched tubes to distribute the plate currents evenly. 6L6. ••• Jun 25, 2007 · I love the 454s in my Rect-o-verb - huge difference from the stock 430s. Step 4: Fasten a terminal strip to the mounting screw of the tube socket. Title: 6L6GC Author: General Electric Subject: JA-FP-2000-12-26 Created Date: 12/26/2000 5:57:20 PM Pay attention mainly to the connections. KT66 - Maximum plate dissipation of 33 watts and is generally interchangeable with 6L6GC. I know you will find confusing reports about it on the web, some claim the EH 6L6GC is an upgrade of a Sovtek 6L6WXT+, but that is inaccurate, since the two tubes are the same except the relabeled logo. Feb 11, 2015 · Introducing the Impressive 7581A Vacuum Tube. The "П" (pi symbol) looks like an N sort of, but represents a P sound, hence the various confusing transliterations. The KT66 is what is called a "Kinkless Tetrode" while the 6L6 is a beam pentode. NOS This is a great all-rounder. Then we match them using a Maxi Matcher 2. Quads are tightly matched! Aug 12, 2017 · 6L6GC Power Tubes, New Production. Differences Between 6L6 and EL34 Tubes. 53 x inch. Mesa/Boogie 6L6 STR 441 Power Tubes – Matched Duet. I found that 6P3S (6П3С originally) are fair copies of RCA 6L6G, but they are NOS and sometimes gassy; also they are Russian so have spread of parameters wider than barn gates. Again most of these are "cross branded" with all of the tube numbers that are TungSol 6L6GCSTR Matched Pair $84. The original Williamson amp actually called for an 807. Each tube in this comparison was installed in the same custom-built, fixed-bias single-ended guitar amplifier in order to obtain the voltage gain measurements and conduct listening tests. Oct 16, 2022 · smoking-amp. KT 88 take much more bias than the Russian tubes. In some amplifiers the 5881 and 7581A vacuum power tubes are acceptable substitutes. Sep 17, 2022 · This list of the best 6L6 tubes available was formed through extensive testing and research, so you can be sure that whichever you choose, you’ll be improving the sound of your rig dramatically. When I opened the box I was really surprised to find valves built very like the old Russian 6P3S (an old 6L6G-A /-B equivalent with 19W Sep 15, 2020 · While 6L6 and 6V6 tubes look physically similar, and have the same connector, their interchangeability is mostly limited by their electrical characteristics and the electronics design and setup of the amp in question. 6L6 tubes sound brighter and fuller. Sep 29, 2015 · Tremendous harmonic content and an overall depth in sound make these Winged “C” / SED 6L6GC tubes another excellent choice for the purist. jeff. Kinda weird that GE would even be making an uprated 6BG6 so late, since most TVs went to purposed built horizontal output tubes by the early 50s. Javascript is disabled on your browser. Feb 20, 2007 · The best current production 6L6 type tube is the Sovtek 5881, which. The low end is huge, the mids are thick and luscious, and the highs are presence but certainly not piercing. Subjective opinion: KT66’s sound better. The 6Π3C-E (6p3s-e) is a quite nice 5881 equivalent. The plate design is classic American 6L6. 7027A - a 6L6GC with a different pinout and is not interchangeable 6L6 | 5881 | 7581A Vacuum Power Tubes. 6L6GC: schematic diagram. It has a lot of headroom and a fat, solid tone. They are NOT 6L6GC equivalent, so you need to dial back the idle dissipation if you're going to use them in a fixed bias amp. 6L6 and EL34 tubes produce radically different sounds. Originally posted by The JEM Ghost View Post. The Russian C is equivalent to a Western S. Sep 6, 2023 · EL84 tubes are used for lower wattage amps, typically in the 15 to 30 watt range, but have essentially the same sonic “flavor” as EL34 tubes. Short heavy glass tubes, with huge brown micanol bases, all Sylvania made, 1950s vintage. This is not a reissue, but a brand new tube. Also features mica spacers with metal springs to eliminate tube rattle and microphonics. tube classifications. 1. Long-life. When it comes to 5881 equivalents, the 6L6GC is a perfect replacement. These ratings are approximately increased by 20 percent. Can be used anywhere. Description. All three are remarkable tubes. 9A. You simply plug the adapter into the tube socket on your amplifier and then plug in the 6BG6. Regarding the contentious subject of the 'sound' of tubes, I will not touch on this thorny belief. Electro-harmonix makes them new now, but I haven't tried them yet. Matched pairs, quads, and octets are available The Mullard 6L6GC is a classic tube option. From this, you can probably deduce that the EL34 is slimmer and taller, although not by much, with perhaps just around 1/8” difference in height. Sep 25, 2015 · Summary: The Mullard 6L6GC tube's firm bass response and detailed sound make it ideal in any amp, including high gain combos. Nov 8, 2008 · Those little chinese Coke Bottle 6L6GC tubes are quite nice actually! If your running voltages of just slightly less then 400v or lower, the new production 350B is a very good tube as well. The Preferred Series is intended to improve on the TAD GC. Just remember that for every pair of KT66's used in an amp, you need 1 amp more filament current then what you would for a pair of 6L6's. Internal mounting has also raised the allowed maximum Vg2 to 450V (500V in case of UL) instead of the 270V (under correction) for the 807. The Preferred Series 6L6GC tube. Tube 5881A / 6L6GA / 6L6GB / 6L6GC. It is an electrical equivalent of 6L6G and 6L6. I don't think 5932s. About KT66, it’s a beam-power tube made by Marconi TubeDepot carries a selection of 6L6 / 5881 / KT66 / 7027 Power Vacuum Tubes. jeff Aug 7, 2007 · Certifiable Audio Junkie. The most common types of 6L6 tubes and their European equivalents used today include: 6L6GC, KT66, and 5881. . 3 Volts / If 0. Nearly 80 years later it remains the most used power output tube. The output tubes don't have individual bias controls nor current measuring (or distributing) cathode resistors. The 5881 is a military spec approximate equivalent to a 6L6GC. Initially tested on the TV7 D-U, then on the Amplitrex AT100 professional computer testing system. Philips ECG 6L6GC JAN Matched Pair Out of stock. The 6L6GC has a 30 W. The 5881 tube is the electrical equivalent of the 6L6 and 6L6G tubes, except that the dissipation plate and screen values are increased by about 20%. TungSol 6L6G Matched Pair $162. 58. Consider these 6L6 tubes as an excellent choice for any type of music, delivering crystal cleans and smooth breakup with plenty of punch. Unlike their standard 7581 vacuum tubes, the “A” version is rated for more power. F. Nov 17, 2022 · Physically, the two are quite different to look at. plate voltage (375 V vs. Jul 20, 2019 · Once the EL34 became popular in England, the American company Sylvania quickly released the 6CA7 vacuum tube. Now if you want a little less power and an earlier breakup you can have it! Feb 4, 2008 · Feb 3, 2008. Consequently, the sound of 6CA7/KT77 takes on characteristics from the 6L6 and 6550 tubes. Are 5881 tubes still available? Yes, 5881 tubes are still available and made by a few different brands. can take 6L6GC numbers. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type. They 6L6GC - 7027 A. So both tubes are essentially upgraded 6L6GCs. Modelled after the vintage RCA 6L6GC ""black plate"", the 6L6GC EH features large plate dimensions and improved grid structure for increased power handling capabilities. Shopping. com. Super Member. 6L6GB, 6L6WGB, 5881 - Maximum dissipation of 23/26 watts and are interchangeable. Jun 19, 2007 · The 807 internal structure is exactly the same as the 6L6, but the latter has been ruggedised over the years, and the 6L6GC is now a 30W tube compared to the 807's 25W. The ratings 7581 are roughly the same as the 6L6GC while the 7581A has higher ratings. I want to try and bake it at 150 degrees C in an oven, let's see if it reduces gases. pins / tip. KT66 is the designator for a beam power tube introduced by Marconi-Osram Valve Co. These series go as follows: 6883, 6883A / 8032, 6883B / 8032A / 8552. (Notice the suffix here. Thanks to its robust construction it is very reliable. Jan 2, 2009 · It is not equivalent to a 6L6GC and shouldn't be used in circuits designed for the "GC" without first consulting with the amp's designer. Noise / Microphonics. 500 V) and plate/screen dissipation (20/2. We agreed that I’d throw a few of my own tubes, including the Tung-Sol EL34B and Shuguang 6CA7-Zs I purchased from Aug 31, 2022 · Winner: 6L6 tubes provide better headroom and sound signature compared to 5881 power tubes. Dimensions (WHD) incl. The Svetlana 6L6GC vacuum tube has a nice balanced sound that is not as bottom heavy as say the TAD and not as bright as the SED. It has 44% of the gain of a 12AX7 with a higher transconductance making it more touch sensitive. Apr 19, 2017 · Here’s the output tubes that I’ve tried in my Inspire amp: Zenith 6V6G (vintage) Sylvania 6L6GA (vintage) Sylvania 7408 (vintage, 6V6 variant) Mullard EL34; Bugle Boy EL34 (vintage) Russian 6P3S-E (Russian military surplus 1980s 6L6GC equivalent) Groove Tube Gold Series GT6L6GE (6L6GC) McIntosh branded GE 6L6GC (vintage) GE 6L6GC (vintage) These are the original Sovtek 6L6GT tube from the Reflektor plant from long before New Sensor bought the Sovtek name. RCA / 5879--BELL & HOWELL RCA. The 6P3S-E is the military version of the 6P3S with a coin / wafer base. The 6L6 is a short, fat tube, which is largely due to its wide glass envelope. Looks like the RCA data sheet for the metal envelope 6L6 claims the screen voltage max for that tube is 300V vs the 270V for the G and GB. 6L6GC is a beam power pentode with an octal base and power of 30W for use in 6L6 amplifiers. Detail. Listening tests were then conducted while playing guitar and switching between the tubes at various Jan 1, 2016 · Audiophile Review – EL34 Family Tube Comparison. You can use 6L6GC where any of the other tubes are used, so if you aren't sure, go with 6L6GC types and you will be fine. Mullard 6L6GC Matched Pair $119. Play one side of music and then check bias again--bringing it up to 100% for that tube type. The KT66 tube draws 1. The KT90s might be a little much for a transformer designed for the 7591. Step 2: De-solder and remove the wire and resistor connections at pin 1. Having a dark covering serves the tube better from an electronic viewpoint for several reasons. Tube Type: 6L6 tubes are beam power tetrodes, while EL34s are pentodes. The tubes are placed in a similar price range. Warm and magically delicious! The Preferred Series 6L6-GC (USD $29. A. Dec 1, 2022 · Pretty sure I've seen pics of those amps with 6P3S-E's, which are basically 5881 equivalent. The TS "6L6GC-STR" are very good tubes. We just got our first batch of the new Tungsol 7581A tubes. The GE data sheet says the 7581A is interchangeable with the 6L6GC. JJ Electronics is celebrated for creating performance-driven heavy-duty preamp vacuum tubes, and the Sep 4, 2013 · Its extremely close to the 6L6GC and will sub for one in circuits that call for those or KT66 tubes. amp meant to use 6L6GCs, and good quality ones at that. These were built for the soviet military to the most stringent standards. This tube is an homage to the black plate 6L6GC made during the first golden age of tubes. Nov 4, 2021 · Russian 6P3S-EV is more similar to Tung-Sol 5881 or newer 6L6GC. The closest Mullard made in England would be the KT66 and KT77. It means that the design of a 5881 tube will allow it to handle and resist vibrations and shocks better than 6L6 tubes. One of the unique features of the KT66 is that some of its original versions were made of black glass. 50 x 4. However, the 6L6GC, and others may not be replaced by the 6L6G, due to the lower ratings on this tube. Essential Characteristics, GE 1973. When compared to the 6L6GC, the 5881 is a weaker power tube. Summary: A nice balanced sound that is not as bottom heavy, very smooth and balanced frequency response. The 12-volt equivalent of the 6146 is the 6883, the equivalent of the 6146A is the 6883A, and the 6146B is the 6883B. Remember the Sovtek 5881 WXT and 5881/6L6 WGC tubes are Russian 6Π3C-E tubes and do not fit neatly into the U. When running clean tones through each tube, they both sound great, but they're still different. What is very often true is that there is a spread in characteristics, these days often up to an unacceptable 25%, even with same brand ones. The KT66 can be used in place of 6L6, but with a caveat. Dec 6, 2023 · You can say that the 5881 tubes serve as a 6L6 or 6L6GC equivalent, as mentioned in the 5881 datasheet. The design of this tube also provides better shock and vibration resistance. From what I read about the 5879, I don't think it needs upgrading. The 7027A duplicates Grid #2 on pin 1. Note clarity isn't quite the same either. In fact, the KT66s are the British equivalent of the American 7581/A preamp tetrode tube, which is basically the industrial version of the 6L6GC. 6L6 tube types can vary greatly in size, so check the clearances in your chassis Tube Substitutions. I still have some left. JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. Specifically, the differences in power handling and bias requirements between the two tube types is what prevents them from Nov 23, 2010 · 2010-11-23 9:16 pm. Sep 17, 2022 · The information I was given is that 6L6’s are less tolerant of high voltages that tend to be used in amps designed for KT66’s. [1] [2] The KT66 is a beam tetrode that utilizes partially collimated electron beams to form a low potential space charge 6CA7 and KT77 tubes are drop-in replacements for EL34, but internally 6CA7/KT77 are different. The 7027A tube has similar power ratings but with a different pin-out. This extra current shouldn't be a problem in most cases, but when in doubt, you should check the amp's filament supply rating. NOS Current Matched Pair Soviet Military 6L6GC / 6P3S-E / 5881 Vacuum Tubes. It is a shame that they were not the stock tubes - it would have given the amp and the Single Rec an even better reputation. It includes a black plate, double halo-style getters, gold grid wires and heavy gauge glass. The midrange response is very nice. I think a few sets just used a 6L6 instead. Tung-Sol 5881 had a max plate dissipation of 24W. The Sovtek 6L6WXT+ is exactley the same tube as the EH 6L6GC. See the 6L6 in Fig 2. #10. Current production TS has changed that for me. Nov 26, 2005 · Typically, the feel of a 6L6GC is a bit harder than a KT88, although it doesn't have as much compression. 6L6GC - 30W version. #2. 6L6GC - The standard among 6L6's. It has the looks and the tone to match. 9 Ampere / Indirect / Specified voltage AC/DC. Oct 22, 2009 · Hallo fellow Tube-beaters. Aug 6, 2007. Best 6L6 Tubes – 6L6 Tube Comparison. I enjoyed reading on these pages about how the Shuguang 6L6GC can take high voltage and heavy power handling, and still keep playing the gig. and Grid #1 on pin 6. Price And, finally, the price comparison comes. Dec 3, 2009 · So I was wondering what "actual" company made these 6l6gc tubes and where were they made? As other contributors have noted, they are rebranded Russian 6n3C (6Pi3S in Roman). electrically is a 6L6GB. another, then make your comparison using tubes by the same manufacturer. These tubes are compatible with most 6L6 variants except 6L6GC or 5881. A good pair of 5881 will cost you around $90 to $110. The 6L6GC is the upgrade to all other tubes made within this family. I have an old GE amp that uses them and I have RCAs, which sound great. You can use it as a sub for the 5881 or 6L6GC as long as the plate voltage is kept below 400 volts. What I don't understand is what the advantages / disadvantages of these alternate tubes are. It can be used as a high-frequency generator, transmitters and other general purpose equipment. It dominates the electric guitar tube amp world. 9 Tube prices (visible for members only) Information source. 20 years ago. TungSol 7581A Matched Pair Out of stock. May 8, 2011 · Sovtek 5881 WXT/6L6 WGC Wattage & 6L6GC / 6L6GB Comparison. The 7581/A tube is an industrial strength version of the 6L6GC which is also said to be the American equivalent to the British KT-66. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. S. First off, I should state that Mullard never produced a 6L6GC. There isn't as much low-end or overall punch with a 6L6GC. For decades I’ve been a “Vintage NOS Only” guy when it came to tubes. Until the JJ EL844 came on the scene in 2011 there really were no substitute tubes for EL84 / 6BQ5 tubes. 12AY7 tubes were frequently used as the first preamp tube in most Tweed-Era Fender amplifiers. The 6P3S-E is an output beam tetrode with an octal base designed to operate in the output stages of low-frequency power amplifiers. Found this online, but I have not actually reviewed the pinouts to make sure it is accurate: The 6L6GC does not use pin 1 or pin 6. Some of you may have noticed as I have that all the 1614's I have come across have 6L6 engraved on the base. New Old Stock original box or white boxes. Just a note here. Oct 2, 2021 · Sherwood used the 7868 power tube extensively, which is the electrical equivalent of the 7591, and like my amplifier, they configured their output stages as straight pentode (not UL). It can be found in tube designs from Sylvania, RCA and General Electric. Tube Substitutions. There are a lot of amps that can use different tubes to change or improve their tone for different styles of playing. The plate structure is very similar to a Svetlana with the extra cooling wings and the bottles are very similar to the Tung-Sol 5881. THEY ARE NOT 6L6GC! Compatible with all 6L6 variants except 6L6GC, which require a higher plate voltage rating. Svetlana 6L6GC Matched Pair Out of stock. Aug 18, 2019 · The 6Π3C (6p3s) is "equivalent" to a 6L6GA. This 5881 / 6L6WGB was first developed by TungSol for the US Military. The tube New Sensor markets as the Sovtek 5881 is 6Π3C-E. Anyway, all 3 variants have a 360V design center max plate rating. The Electro-Harmonix 12AY7EH/6072A is another tube that is useful in lowering the gain of an amplifier. Mar 7, 2017 · The amps originally come with 1614 which are electrically equivalent from what I can tell except the data sheet shows that the 1614 is a 25 watt tube and the 6L6 is a 19 watt tube. I don't know what your B+ Plate voltages are, so I can only speculate, but any of the calculators out there will tell you if a bias point is good enough or not. Near equivalent: 6L6, 6L6GT, 6L6GC and 5881. ypqgmdnmpsytuwpfctra