6l6 tube specs Always consult your amplifier’s technical specifications or a professional technician when considering this type of substitution. Remember the Sovtek 5881 WXT and 5881/6L6 WGC tubes are Russian 6Π3C-E tubes and do not fit neatly into the U. power amplifier applications Heating Heater voltage Vf 6,3 (V) Heater current If 900 (mA) Maximum heater-cathode voltage Vfk 180 (V) Telephone: +381 18 550 741 FAX: +381 18 550 806 The 6L6 revolutionized power tube design by forming the electrons into beams and using aligned control and screen grids to limit grid and screen currents. We think this is a better tube and at a better price. www. Jun 18, 2019 · Just as an FYI to Tube Newbs. Home Tube data Schematics Software Search engines . etc. There are NO REAL, honest to God, 6L6GC tubes being made today, period, regardless of the lies you hear from boutique tube sellers. The idea to stuff a 19W anode into a 6V6 size tube, with the cathode of a sweep tube, the heater of a 6L6, and the gain of a EL34, was bound to be tricky, but supposed to do something the 6L6 could never do, which was to sound hifi! The result is a cathode biased 6L6 based amp with the flavor of a low powered tweed Twin. 6L6, KT66 type Tubes . Order 6LF6 / 6LX6 vacuum tubes online, in stock and ready to ship! data sheets and specs to upgrade your tube amplifier. So to get to the point, the JAN-Sylvania 6L6WGB tube will work perfectly in any amp requiring a 6L6GC tube. Shortening the life of your output tube hardly seems worth using it outside its specs, given the cost of the tubes these days. A classic tube reborn Made to the same specs of the highly desirable G. Feb 20, 2007 · abortions. The Studio 10 6L6 is finished in a smart cream vinyl and oxblood speaker grille cloth > endobj 3 0 obj > endobj 8 0 obj > endobj 10 0 obj > stream xœ} ½Jà …¿Ô‚(Šƒ 28¸h“¦iRpi" ×V¡©S’¦AìOHSô tspu+. 6L6 / 5881 Tube Catalog Page; Fender Amp This 6L6 power tube features larger plate dimensions and improved grid structure for increased power handling capabilities. The plate voltage of these amps is designed for the 6L6 tubes and this is the reason why the previous owner has used a pair of JJ's 6V6, which can handle the higher voltages of these amps. The Tung Sol 6L6G is enormous. Single tube push-pull Ua = 250 270 V Ug2 = 250 270 V DATA SHEET 6L6GC-STR-Tung-Sol. In fact, NO tubes made today meet all these orig-inal specs, and only a few come even close in the critical areas of Transconductance and/or Gain. These are a very sturdy and reliable tube, with slightly less power and a more aggressive edge when pushed into distortion. Presuming the Groove Tubes 6L6GE IS in fact a longer-life tube as it should be, that should make up for the difference in price if you’re looking at it versus say the Svetlana. Anode power 19 W (variants to 30 W) max. 00! $25. • The power dissipation limit for the 6L6 is 19 watts. most if not all 6l6's are rated for at least 30w, but 5881's can be rated at either 25 or 30w, depending on manufacturer. this would be something to ask The JJ Electronics tube datasheets. 6l6 (6l6) La limite pour ce tube en P. Western Electric: The Western Electric tube datasheets. Each power tube is subjected to MESA’s advanced tube testing system – nicknamed ROBO-TUBE. Both have left a substantial mark on the sound of electric guitar amplification due to their distinctive characteristics and roles in shaping vintage and modern sounds. Modeled after the vintage RCA 6L6GC "black plate," the 6L6EH power tube features large plate dimensions and improved grid structure for increased power handling capabilities. The Tungsol 6L6-G vacuum tube is a large bottle tube type for the look and sound of 6L6 power tubes used during the golden age of hi-fi in the 1940's and early 1950's. Fortunately, we have sourced some of the last production. beam pentode Base: OCTAL Uf = 6,3 V If = 0,9 a Typical Characteristics: Class A1 Amp. The 7581A tube can be used in any 6L6 based tube circuit. References: Data-sheet and private correspondence. Matched pairs, quads, and octets are availableMore Details These are super durable tubes made for the US military in the mid '70's. A. • Transconductance does not precisely track plate current. EI-RC: Some EI tubes datasheets in HTML. if this thing would be useful on any kind of amp build. When you’re exploring the realms of guitar amp tubes, two venerable powerhouses you’ll encounter are the 6L6 and 6V6. —has a basic sonic personality. Pete Millet: Peter Millett’s online tube data. 2 mA/V 33K OHM Plate Volta e not more than Cathode Current not more than This large bottle 6L6 variant is a great looking tube that is reminiscent of the very old 6L6's used in radios and amplifiers in the 1940's. 00 Sep 15, 2020 · Following the overwhelming success of the 6L6, the 6V6 tube was developed by the Ken-Rad Tube & Lamp Corporation toward the end of 1936, and released in 1937. On 6L6's pin 1 was used to ground the outer metal envelope on early metal 6L6 tubes. The 6L6 tubes are listed in the WIKI as suitable replacements for the 5881 with the following caveat: "These are not direct replacements for the stock Melody 5881 power tubes, as the bias voltage must be adjusted to compensate for the different tube specifications. The 6V6 is only good for 11 Watts up to 10 MHz, like the 6L6. pdf (130884 bytes) (de) Modeled after the vintage RCA 6L6GC "Blackplate" the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities. 8) RCA input (4 inputs per channel) 9) 4,8 ohm output (16 ohm also available) 10) tube assortment: 12AU7 x 4, 6L6 x 4. It dominates the electric guitar tube amp world. Forming the electrons into beams increased the space charge near the plate, which then repelled secondary electrons back to the plate, eliminating the need for a surpressor grid. The Tungsol 6L6GC-STR is a good choice for any new or vintage guitar amp. Increased to 30 watts for the GC. Welcome To the Hoffman Amplifiers Forum May 17, 2025, 07:33:01 pm Their specs are very close to each other 6L6 / 6V6 clones are fundamentally non linear, only working properly when about to melt. Sovtek claims it has 20 percent higher output than their 5881WXT. Title: 6L6 6L6G Author: RCA Subject: FP-2012-01-07 Created Date: 1/8/2012 12:15:19 AM Blackstar Studio 10 6L6 Class A Tube Combo Features: 10-watt all-tube 1 x 12-inch guitar combo amplifier; 6L6 power tube yields glassy cleans and hot lead tones; Great-sounding 12-inch Celestion Seventy 80 speaker; Clean and Overdrive settings offer an impressive range of character; Speaker-emulated output for recording or running straight to a PA "Ei-RC" - Electronic tubes factory Data Sheet 6L6GC Page 1 of 7 6L6GC is Beam Power Pentode suitable for use in A. BEAM PENTODE 6L6GC is a beam power pentode with an octal base and power of 30W for use in 6L6 amplifiers. There are lots of NOS 6L6's out there, and at reasonable prices. If you are looking for tube sets for your Fender amps, please also see Fender Amp Tube Sets . perhaps the best guitar amp tube ever made! Stunning clarity, and tone that is reminiscent of great ‘50s, ‘60s and ‘70s recordings from Carl Perkins through Jimi Hendrix both of whom mostly recorded through Fender amps from the golden years in a period when they exclusively used this GE tube. Without a doubt, most of my favourite amps use 6L6 tubes. Brand New. Their specs are not the same as earlier 5881 and 6L6WGB specs from the 1960's. Some other rugged tubes exist only as -E or -EV grades (i. These were used in my Mesa Boogie Bass 400+ bass amplifier for less than one hour. Once these tubes are gone, the Tung-Sol 7581-A may well be regarded as the greatest readily available 6L6-family tube. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. These tubes are perfect if you want both the vintage look and sound of the The famous Shuguang “Coke Bottle” power tube known for its sweet, warm tone. Remember, even though these will bias with a range of voltage used for a 6L6 tubes, each KT66 draws about 1. If it’s cathode biased, odds are better. They The EVH 5150III 50W 6L6 tube guitar amp head, brought to you by the iconic EVH brand. Nov 4, 2008 · be careful, though, because some 5881's are not rated for the same power as a 6l6. At 40 watts I like 6L6 tubes. When changing from 6L6 tubes to KT66s, you often need to rebias the amp to ensure optimal performance and to prevent damage to the new tubes or the amplifier. This 50-watt tube head packs the prestigious EVH high-gain sound into a mighty frame. Welcome @ Frank's; electron Tube Data sheets Cookies & Privacy. Ruby Tubes 6L6GCMSTR Vacuum TubeThe 6L6GCMSTR by Ruby is an amp tube for plate current and transconductance. Ruby 6L6GCMSTR Power Vacuum Tube Finally Back In Stock! Expertly manufactured, our long-awaited Ruby 6L6GCMSTR Power Vacuum Tube is finally back in stock after the factory closure. Your 6v6 tubes probably have a 6. Our all glass 6l6GT version has a description of the electrode construction. These specifications are provided 'as-is', with no warranty of any kind. KT66 tube became very popular in European radios and audio equipment. I did find that it was softer than a 6L6, there’s no big bass thump and no sparkling highs, just Nov 26, 2024 · Want proof? Fender tube amps now include Groove Tubes as standard equipment, and true tube aficianados worldwide swear by the tubes and pro audio products Groove Tubes makes. Download. This is more the case in amps that use four or more 6L6 tubes. BEAM PENTODE Base: OCTAL U f = 6,3 V I f =c a0,9 A Typical characte-ristic: Class A1 Singl tube Push-Pull U a = 250 V 270 V U g2 = 250 V 270 V U g1 = -14 V -17,5 V I a = 72 mA 134 mA I g2 = 5 mA 11 mA R a = 22,5 kΩ - R a-a =- 5 kΩ N = 6,5 W 17,5 W Limiting values: Triode U a = 450 V U g2 = 450 V W a = 30 W Pentode U a = 500 V U Part #: 6L6-GC. Best 6L6 Tubes. It was originally produced in the UK. Title: 6LB6 Author: General Electric Subject: JA-FP-2001-08-28 Created Date: 8/28/2001 9:58:07 PM Oct 5, 2015 · Triode Roundup: Seven “Common Man” 300B Tubes Compared January 26, 2016; Tube vs Solid-State – Why Do Tubes Sound Better? January 14, 2016; The TU-8300R “Red Amp” Tour January 7, 2016; Know Your Bias January 5, 2016; Audiophile Review – EL34 Family Tube Comparison January 1, 2016; Review – Preferred Series EL34 Tube November 19, 2015 Many 6L6 based tube amplifiers are not equipped with power transformers that can handle this extra current. This was used for audio amplifiers and modulators for small Amplitude Modulated transmitters. From our review: " The tone is very balanced with no notable weighting in the response. The Preferred Series 6L6GC construction features: - A black plate like the premium NOS RCA 6L6GC tubes from the 1960's - Double halo-style getters - Gold grid wires A medium-output power tube (generally 20-25 watts) often used in Fender® professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod™ Series, Pro Series, Super Reverb®, Tremolux™, Twin Reverb®, Vibrolux®, Super-Sonic™, Blues Deluxe™, Blues DeVille™ and others. Sep 10, 2015 · I believe pin 1 is the suppressor grid on the EL34. 5) all tube AC heating. 6L6, 6L6G, 6L6GA, 6L6GB, 6L6GC, and all other variants as well as , 5881, KT66. This is not a normal 6L6 tube in today’s market. ¾€èc( âà#ˆ ³¤AR xàÂÇáÀ½÷@® — ?ˆÂFÝ [V[œ G@`*Û dK€ï—$û¼õO. Overview of 6L6 and 6V6 Tubes. 7) choke transformer rectification. 9 A v 80 TIA 30 w v 5 watts 100 Kohms 0. Aug 23, 2015 · They are a Russian servo tube that with some creative re-basing (and switching a few pinouts) worked as an amp tube, somewhat like a 6L6. 12AQ5 - Same as the 6AQ5, but with different heater ratings. 00 Nov 11, 2010 · 6L6 Family Tubes comparison 6L6 타입 진공관 비교 The main differences 차이점 6L6GC: This is the newer version of this family of tubes, made to meet the demands of public address and musical instrument Jan 18, 2012 · Any amplifiers designated to use 7027 type tubes should therefore always have pins 1&4 connected together, and pins 5&6 connected together to obtain the maximum advantage of this cooling feature. Also features mica spacers with metal springs to eliminate tube rattle and microphonics. Title: 6L6WGB Author: Tung-Sol Subject: FP-2005-05-28 Created Date: 5/29/2005 12:25:03 AM The Preferred Series 6L6WGC vacuum tube is a recent addition to our premium line of high quality tubes. Page: 9 Pages. Dec 26, 2021 · So, as I skip on down through the 6L6 specs, I am presented with three columns for Class AB1: two for what appear to be a plate voltage of 360V and a third for 450V. For jazz heads, I’d go with the SED. Each amp in the Studio 10 trio has different cosmetics reflecting its very different sonic character. 6 6. Hoffman Amplifiers Tube Amp Forum, 7355/6L6 circuit. A beam tetrode tube with an octal base, the 6L6 tube (valve) was originally developed to bypass a patent by Philips on the pentode tube and the result is fantastic. The 7581-A power tube has a plate dissipation rating of 35W, as opposed to the 6L6GC and 7581 rating of 30W. Oct 5, 2015 · Extremely low noise and a lack of microphonics combine with excellent ratings for detail and harmonic content to provide an audio tube of exceptional quality. Loaded with seven 12AX7 preamp tubes and 6L6 power tubes, it delivers the unmistakable tight low-end, punchy mids and articulated highs for that Eddie Van Halen sound. Thanks buddy! The later versions of the 6L6 had more plate dissipation and could be pushed a little harder. 13)POWER CONSUMPTION: 110W. That's why they do STR's, (Special Tube Requests) to the exacting specifications of Ruby, Penta, and TAD, to name a few. Chinese tubes are durable, long-lasting, quality, toneful tubes. Upgrade yo Groove Tubes GT-6L6-GE Chinese Power Tube. Surprisingly, the 6AQ5 is good for 54 MHz and 11 Watts Output. The Ruby 6L6GCMSTR ensures a long life for your amplifier. Dec 17, 2013 · Ok, back to the KT88. 20 to 30 watts 6V6 is my choice, Small Class A at 5 to 10 watts up to say 15 watts two EL 84 tubes I like. Manufacturer: General Electric Company. 11) DIMENSION: 37 x 32 x 19(L x W x H, cm) 12) WEIGHT: 20 kg. Anyway, the BEST output tube for you to use would be for you to find a NOS American 6L6GC. Other equivalents of this tube are the CV1862, EL90, 6005, 6095, 6669, 6928, BPM 04, CK-6005, M8249, N727, 6L31. Hate to see someones Amp, OPT’s or other go up in smoke. The Best 6L6 / 6L6GC / 5881 Power Tubes - Reviews and Guide. If you have an amplifier that can use either 6L6 or EL34 tubes, you will quickly notice that 6L6 tubes are more "Fender", where EL34 tubes are more "Marshall". A. Revitalize your guitar amplifier with showroom-quality performance, with this set of Groove Tubes GT-6L6S Select power tubes. Internally, the KT66 tube is an improved and redesigned 6L6 tube. Available in many variatio If you’re looking for that classic American tone, then the 6L6 is the tube for you. Unless you know exactly what you are doing, do NOT just plug in a pair of true KT66's in your amplifier if it calls for the 6L6. Being that an amp that uses 6L6's is a push-pull amp, what is important is that each pair should be matched. Related links. With a 2024 production date, this highly sought-after tube offers unparalleled quality and performance for all your audio needs. The Tube Directory. 30 Watt tubes such as 6L6GC, 6L6WXT+, and 6L6WGC are rated for plate voltage up to 500 volts. The one exception is the Tung-Sol KT66 tube. 9 v 0. Type 6L6 was first introduced in 1936. Summary Some amplifiers can accommodate either 6L6 or EL34 tubes. Tube Manual Listing for the 6L6 • The 6L6 is the tube type chosen by Hickok as its calibration tube. This reissue Tung-sol 6L6G tube is rated to 6L6GC specs for improved performance and reliability in modern tube HiFi amplifiers. I tend to classify the Tung-Sol 6L6G as a specialty tube. 6L6 was originally developed in USA in mid 1930s. While they have lower output than American 6L6GC tubes, they can reliably handle guitar amplifier circuits designed for 6L6GCs. The best current production 6L6 type tube is the Sovtek 5881, which electrically is a 6L6GB. tube classifications. e. This version has a 30 watt plate dissipation, 500V plate rating and 450V 5watt screen rating. 6K primary OT as long as its a hefty one and not a light 2 lb one. Built to rigid military standards, the Sovtek 5881WXT power tube will tolerate higher voltages than most other 6L6 tubes. also assume 4 12ax7 tubes biased at 1mA each, and two 6L6 tubes biased at 45mA each. Anode voltage CV4043 - British-made miniature-tube 13. Radio tubes are valves. The wide metal tube envelope is 32 mm in diameter and excluding the IO base pins, is 92 mm tall. We have tested these tubes with plate voltages ranging from 425 to 500 volts without problem. Petersburg, Russia. If these specs do not meet the old RCA or GE published spec sheets, do not be alarmed. Also the Bias for your power tubes would have to be changed to accommodate the 6L6 tubes. If your amplifier calls for this tube, you probably CANNOT use some of the earlier 6L6 tubes as they are not rated this high. Do not worry about plate voltages over 400V with this puppy. $20 price drop. By the early 1940s, the 6L6 was adapted to the "ST" glass envelope, the then-standard five pin base, and with a top cap connection to the plate. This 6L6 vacuum tube from Electro-Harmonix is also called the 6L6-EH. If you want to know more about all the different 6L6 types, see 6L6GC, 6L6GB, 5881, KT66 Differences 6L6G TUNG-SOL. The 6L6EH offers tone and performance superior to any other 6L6 or KT66 type. Octal, IO) K8A, USA 1935 and shown. Valve number equivalents include 6L6GC, 6L6GCR, 6L6G, 6L6GA, 6L6GB. Uprated to 6L6GC specs for improved performance and reliability. Chances are if an amp uses 6L6-style output tubes, it has Sovtek 5881's in its sockets. Large Image: 6L6GC STR Tung-Sol specifications (PDF) These 1960s and early 1970s tubes will sound great in your Fender amp or home hi-fi! Some made for Fender, some OEM labels, some unlabeled. Developed by Aerospace Engineers to our demanding specs, only the highest quality and most consistent vacuum tubes are tested, hammer-tested, passed, matched and finally labeled with the MESA Engineering logo and color code. Psvane 5881 (6L6GB)vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Original Price $109. The makers code. The Svetlana 6L6GC was designed based on the famous Sylvania STR 387 6L6GC and manufactured in the JSC Svetlana factory in St. 15 volts. 6L6GC tubes, these modern versions recapture the look, sound, and performance of the originals. f. classe AB1 de 400v anodiques et 300v écran n'est pas donnée par tous les constructeurs ; nous ne connaissons que RCA et STC qui la mentionnent. The 6L6GT with a tubular glass envelope appeared by the early 1950s. The Preferred Series is made up of the best current production tubes, sourced to our specifications. With production halted years ago, it was thought these would never be seen again. 6L6 evolved from its original form from higher powered 6L6GB to bigger higher powered 6L6GC type through many years. We believe it is more important to provide our customers a meaningful standard by which ALL tubes made today Brimming with brawny tone, the EVH® 5150III® 50W 6L6 112 Combo is arena-sized sound in a Celestion® powered compact package for more convenient transport. More Information Jan 1, 2008 · In fact U. K oä @ ¶¬6 `ÍOø,f'á˘O£ a sxÐ0A¸ 6ý vfØ Â8ÿ ìô{c7½›%opØ ZÀ:u† ñéáQ¤É ÇØ Ñ0QÙ£F …* åéÔ (£SÁÀÀÄDGACAa •jÜg²rx ú Ì]¥žs PxM½ Upon evaluating a Fender Hot Rod Deluxe IV, I swapped out the factory installed GT-6L6CHP power amp tubes with these JJ-6L6GC. 5W equivalent of the 6BW6, 9-pin base B9A. I don't think I can supply 450V with what I've got so I'd use the 360V columns to determine the Ra-a to create load lines BUT one column shows 6600 ohms, while the other column Tube Data Sheet Locator. Buy Mullard 6L6GC vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. A note with respect to the KT66. These Groove Tubes Gold Series GT-6L6-R Matched Power Tubes are Russian made, same as the 5881, but matched in the GT system. The 5881 tubes are rated for 23 watts maximum, while most 6L6 variations can handle 25. 1* 200 v 5. The Sovtek 5881WXT vacuum tube is a reliable beam tetrode delivering a warm, round tone that "sweetens" any vintage or modern guitar tube amp design. 9A of current, just like a 6L6. These are the Russian 6n3c, a cheap but very good sounding 6L6 type tube. Redesigned with versatile, all-new independent dual- concentric controls that allow for gain and volume level matching, this 50-watt tube combo amp boasts three channels for any playing style - crisp cleans, raw crunch or searing leads. And their first 6V6's - with the all-black glass - started as "6L6-types", slightly failed specs but passed 6V6 specs - and got new smaller black glass envelopes hiding the Russian tube construction. Matched sets are matched with the new Maxi Matcher 2 Nov 1, 2016 · The SED Winged C displays no sins of commission, no sins of omission. 6L6-EH Beam Power Tetrode 550 400 450 ressor so 100 150 200 250 3CO 350 500 not less than not more than nominal Electrical Data Heater Volta e, Heater Volta e Heater Current 5. Although it will work fine in most 6L6 circuits, the KT66 has a higher filament current of 1. Regardless of its manufacturer, each power-tube type—EL34, EL84, 6L6, 6V6, 5881, etc. A small difference but it seems that you get nicer sounding breakup when biased this way. E. 6AQ5 - slightly lower specifications to the 6V6GT, miniature glass envelope, 7-pin base B7G. Russian made, these tubes are the same as stock 5881 power tubes, but they're specially matched by Groove Tubes, resulting in a better sound and The 6L6G is is a larger more powerful audio beam tetrode than the 6V6 receiver type. F. Svetlana SV6L6GC is the finest power tube of its type being manufactured today. The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. Svetlana: The Svetlana PM Components site. F. However, be sure to check your amps specs before just plugging tubes in. Then there is the 6L6GC, which is rated for 30 watts and is the more popular model in this family of tubes. It also features mica spacers with metal springs to eliminate tube rattle and microphonics. 5 Mohms 0. OpCom: The 1943, 1949 and 1959 Sylvania Tube Manuals A medium-output power tube (generally 20-25 watts) often used in Fender® professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod™ Series, Pro Series, Super Reverb®, Tremolux™, Twin, Vibrolux®, Super-Sonic™, Blues Deluxe™, Blues DeVille™ and others. These are "Black Sable" 6L6, a premium Russian 6L6 made by SED in St. Mickeystan 🙂 Nov 1, 2016 · The SED Winged C displays no sins of commission, no sins of omission. Large bottle type for the look and sound of 6L6 tubes used during the golden age of hi-fi in the 1940's and early 1950's. This website uses cookies to ensure that you get the best experience. This 5881 / 6L6WGB was first developed by TungSol for the US Military. Having a large bottle not only looks cool, but allows for efficient power handling. If you want great sounding tubes at a very reasonable price, then Electro-Harmonix tubes should be on your l | 6L6EH May 8, 2011 · Sovtek 5881 WXT/6L6 WGC Wattage & 6L6GC / 6L6GB Comparison. This tube is aimed squarely at the vintage market or amplifiers where looks are as important as sound. Plenty of power and great tone. Information (74751 bytes) 6L6: 6L6. 5 matched sets of genuine Mesa Boogie 5881 6L6 STR 425 power tubes. com 6L6GC a. The metal tube hides the inner construction. The Sovtek 6L6WXT+ yields a Nov 14, 2011 · If your amp takes 6L6 tubes, then that is what you should put back in it. Back in 1956 GEC introduced the KT88 as a larger variant of the KT66. It has a range of tones that will appeal to a wide audience and it includes a special design post phase inverter master volume which does not lose top-end definition at bedroom settings. The KT66 tube type is a 25 Watt tube rated for plate voltage up to 500 volts. The 807 also found some use as a horizontal output tube in early TV receivers, particularly those manufactured by DuMont. Are you looking for the very best 6L6 power tubes for your vacuum tube amplifier? This is the place to start. I go to 6V6 next as a little EL 34 tube. And hey, it seems like for metal a Winged C is actually a pretty good choice? I guess I owe my local amp repair guy a Coke, because that’s what he usually puts in my amps. On the contrary, the 6V6 tubes have a lower power rating, resulting in snarling and aggressive tones. i am unsure how much power the class a tubes will be pushing vs the ab tubes to achieve the 90w mesa specs. • Transconductance values are different for each of the three specified test conditions. My amp started having problems and I thought I found a bad tube (hence the missing pair; the amp uses 12 6L6’s!). 6L6 / 5881 Tube Reviews; This document provides information about decoding Russian vacuum tube codes and discusses the Sovtek 5881 WXT and 5881/6L6 WGC tubes. (Notice the suffix Tube layout. 3 amps of heater current. Title: 6L6GC Author: General Electric Subject: JA-FP-2000-12-26 Created Date: 12/26/2000 5:57:20 PM Last update of this mirror site: 2025-01-17 Electron tube Type: Brand: System: Data sheet. This tube is NOT AN EXACT 6L6 REPLACEMENT. , 6S45P-E and 6N30P-EV exist, but no one ever heard of plain 6S45P or 6N30P). 6) 300w class power transformer. 6L6 WXT - New longer plate Sovtek 6L6 design with 20% more power 6L6 WXT+ - New name for the 6L6WXT, to avoid confusion with earlier models Electro Harmonix 6L6GC - Brand name for the 6L6WXT+ The Sovtek 6L6-GB (AKA 6Π3C) Vacuum Tube JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. Its output is a cool 35 watts with a tube rectified power supply. Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers. These tubes helped define the classic Fender black Only at Sweetwater! Easy Payments and FREE Warranty for your Bogner Shiva 6L6 60-watt Tube Head with 6L6 Tubes and Dual Reverb! 60-watt Tube Amp Head with 2-channels, Reverb, Tube-buffered Effects Loop, and Footswitch The Groove Tubes GT-6L6R Power Tubes Duet gives you what may just be the most reliable of the currently made tubes, with slightly less power and a more aggressive edge when pushed into distortion. From our review of the Sovtek 6L6-WXT+ tube: "Guitar-cable Once exclusive only to TAD (Tube Amp Doctor) we contracted the factory to produce a massive lot of these tubes to our specs. Optimal performance is achieved by this amp. Oct 31, 2013 · Some beautiful obsessive lunatic tested out more tubes than I’d ever want to spend my hard-earned money on, and got all kinds of scientific-like on 6L6 tubes. For rockers, I’d probably recommend the more powerful Tung-Sol. 99. While 6L6 can be used in place of EL34(and their variants) amps. The 6L6 (in its various iterations) proved to be quite successful, and is still in production today. Jun 19, 2018 · But I do not go directly to 6L6 or 5791 after EL 34 , Vintage Mullard, RFT, Amperex, Telefunken and Vintage Tesla. If you like to play blues and jazz music, you can use 6V6 tubes, but 6L6 tubes are suggested for jazz and rock music. This power tube is unlike other KT66 tubes in that its heater filament draws 0. Check out the following 6L6 tube reviews for guidance on getting the best tone out of your tube amp. Jan 8, 2009 · 5881/6L6 WGC - 6Π3C-E Tube With its original small disc, wafer, or coin base. This tube is commonly found relabeled by Fender and Groove Tubes to GT-6L6B. The 6L6 provides high power output sensitivity and high efficiency. Probably the best price/performance tube of any 6L6 tube you will find anywhere!MATCHED PAIRS JUST $50. Tested using the state of the art Roetest professional tube testing system. Ce sont semble-t-il les seuls constructeurs qui font la différence entre les limites pour la classe A et celles pour la classe AB qui sollicite un peu moins Built to the same "Special Tube Request" specs of leading amplifier manufacturers of the 1960s, the 6L6GC STR is a rugged and reliable power tube for use in the most demanding guitar amplifier circuits. In this Killer Rig article, we’ll take a look at some of the best 6l6 tubes on the market today and see how they compare. 6L6 Tubes = Classic American Guitar Tones. The Svetlana 6L6GC tight manufacturing specification,tolerances and improved processing provided the Aug 31, 2012 · The stock power tubes on a Blues Deluxe and Hot Rod Deluxe amps are the 6L6's. Don't beleive all the bull{censored} you hear/read, it's mostly that - BULL{censored}. TUNG-SOL 6L6GC- The 6L6GC-STR is a beam-power tetrode primarily designed for use in audio-frequency power amplifier applications. Here are the specs_Pri May 30, 2019 · Unveiled at this year’s winter NAMM Show, the Studio 10 range features three 1x12 combos, each with a different output valve: the 6L6, EL34 and KT88. These amplifiers most often have a switch to change the bias range between these tubes. 7 v 6. File Size: 858Kbytes. These have been amp tested in addition to testing for plate current and Gm, all test strong. The document provides details on the The 6L6 vacuum tube was first released by RCA in 1936. NJ7P: Bill Beech’s online tube data of primarily RCA manuals. Modern production is limited but they are currently produced in China (Shuguang), Slovakia (JJ Electronic), and Russia (Svetlana and New Sensor). More Information. Use of these parameters shall be entirely at the user's own risk Explore comprehensive electron tube data sheets categorized by the number 6 for detailed information and specifications. It’s the most versatile tube of the bunch. At 50,75,100-130 watts I like EL 34 tubes the best. The RCA logo. Aug 27, 2015 · It is NOT an octal tube as it may seem at first glance; Some very rugged tube types do not carry ‘advanced’ suffixes, because they were originally designed to advanced specs. Your power supply’s heater tap will use 50% more current compared to a pair of 6L6 tubes. There are several different 6L6 power tube types and it can get a little The new JJ 5881 power output vacuum tube is now in stock! This JJ 5881/6L6 power tube is a high quality option for both guitar and home audio tube amplifiers. I checked the bias (both tubes together); it was around 60mA (the factory installed tubes had been running at 70mA), and the JJ's sounded darker and duller, till I increased the bias. Dec 28, 2018 · This is a simplification of course, but the bottom line is that with the larger heater/cathode structure of the 6550, not only does it allow the tube to pass more overall current than 6L6 class tubes can, but also pass a greater percent of that current at a lower screen grid voltage -- and that makes all the difference. After almost 80 years, more powerful and improved versions are being produced by factories in Slovakia, Russia and China. 6L6 GC A. The power output at all levels has low third and negligible higher-order harmonic distortion. These 1960s and early 1970s tubes will sound great in your Fender amp or home hi-fi! Some made for Fender, some OEM labels, some unlabeled. All ratings of the Svetlana SV6L6GC meet or exceed those of the original version; top -quality cathode materials and extensive aging yield outstanding performance in high -fidelity and musical -instrument amplifiers. This tube is an upgraded 6L6GC tube but willprovide more headroom than typical 6L6GC tubes. Not all 6L6GC amps can take EL34 variants. I’ve found them for as little as $2-$3 each, which is an incredible bargain for any tube, let alone a 1940’s RCA 6L6! The Elekit TU-8200 runs these without issue. The 807 design (with some "value engineering" to reduce production cost) was the basis for the first application-specific horizontal sweep tubes such as the 6BG6G and 6CD6G. Menu. Nearly 80 years later it remains the most used power output tube. Mar 30, 2023 · Per the Onix SP3 WIKI, the bias voltage for the 5881 tubes is 1. This 6L6 power tube is versatile and will sound great in many amplifiers, for many styles of music. Oct 14, 2017 · Hello! I am new to this forum. produced GE tubes are perhaps the most long-lasting of all tubes when comparing the major power tube types (6L6, 6550, 6CA7/EL34). Title: 6L6G 6L6 Author: Tung-Sol Subject: FP-2004-06-05 Created Date: 6/5/2004 11:41:47 PM Tube 6L6G or Röhre 6L6G ID2982, Beam Power Tube, Octal (Int. The 6L6GC-STR has ruggedized construction making it especially suitable for use in musical instrument amplifiers. Sep 29, 2015 · If tubes were sold by the pound these would be very valuable tubes. Available in Groove Tubes GT-6L6-S Premium Medium Rated Matched Pair 5550113521. The KT66 tube is more linear and has less of the "kink" in its transfer curve compared to 6L6. Sep 29, 2015 · Triode Roundup: Seven “Common Man” 300B Tubes Compared January 26, 2016; Tube vs Solid-State – Why Do Tubes Sound Better? January 14, 2016; The TU-8300R “Red Amp” Tour January 7, 2016; Know Your Bias January 5, 2016; Audiophile Review – EL34 Family Tube Comparison January 1, 2016; Review – Preferred Series EL34 Tube November 19, 2015 Jul 8, 2022 · The 6L6 tubes are high-powered tubes and deliver warm and smooth tones. Title: 6L6 Author: RCA Subject: FP-1999-02-28 Created Date: 2/24/2002 7:46:40 PM 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. 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). Petersburg. It explains that these tubes are actually coded versions of the Russian 6П3C-E military tube. The Tung-sol 6L6GC-STR tube is a true 6L6GC vacuum tube that is rated for plate voltage up to 500V and up to 30 watts of power. 6L6-GB Tube. These 6L6 tubes can be used in any tube amp. Because many amplifiers were designed for only 6L6 type tubes, they will often use pins 1 and 6 as unrelated connection points. For premium tube tone, choose Groove Tubes! The GT-6L6S Power Tubes Quartet features a new Groove Tubes design with more power and heavy-duty components. SPECIFICATIONS* Class A Amplifier Plate Specs for the 6L6's little brothers, the 6V6GT and 6AQ5 are included in this article. Remember that you have to double the power output to move the other guy's S meter half an S unit. Product specs. The 6L6 (P/N 154-087, 154-0087-00) is a beam power pentode vacuum tube Key Specifications. See our 6L6 / 5881 Tube Catalog Page for all 6L6 tube types we stock. Electro-Harmonix tubes are all new designs and are of excellent quality. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs. These tubes are compatible with 5881 and any 6L6. If you are running EL34's pin 1 should be connected to pin 8 which is the cathode. The SED / Winged "C" 6L6GC was revered for its powerful authority and tight low end response. It was designed to be a more compact and lower powered counterpart to the 6L6, catering to a different set of requirements while still maintaining superb fidelity. In this Killer Rig article, we are going to explore the differences between these power tubes. jj-electronic. 14)MADE IN KOREA *SPECIFICATIONS Note: 25 Watt tubes (and similar) such as 6L6, 6L6GB, and 5881 are rated for plate voltage up to 400 volts. P. Jun 20, 2002 · The KT66 tends to bias slightly different then the 6L6 as well. The 6L6 is a power-amplifier tube of the All-Metal type for use in the output stage of radio receivers, especially those designed to have ample reserve of power-delivering ability. S. The 6L6 tube equivalent part numbers 5881 and 7581A vacuum tubes are acceptable substitutes in some amplifiers. 27 amps and has a design maximum plate dissipation of 25 watts. The KT66 tube has a shorter and fatter plate assembly and has a larger cathode than 6L6 tube. 6K primary OT while the 6L6 likes a 4K but you can also run your 6L6 with a 6. These are the Original Svetlana 6L6GC which are also known as Winged C due to the company’s original trade mark logo that is on the valve. Jan 15, 2013 · The first had the "ST" profile. When selecting new power tubes for your amplifier, there are many things to consider. AA864 Tube layout (Seen from behind, V1 is to the right side): V1 12ax7 = Preamp bass channel V2 12ax7 = 2’nd gain stage bass channel (and normal channel for AB165) V3 12ax7 = Preamp normal channel V4 12at7 = Phase inverter V5 6L6 = Power tube #1 V6 6L6 = Power tube #2. They don't make 'em like this anymore and these won't be in stock May 26, 2018 · You would need to check the specs of your transformers before making the swap. I am interested in building a very simple basic Stereo Tube amp for my first project with the following specs (open to suggestions); -single ended (stereo) -~50W total (25W/channel) -6L6 power tubes? -preamp tube undetermined I saw a good read on a basic 6L6 SE Oct 18, 2011 · The Chinese manufacture some of the best tubes on the market today. Nov 20, 2016 · So for example if you type in 6L6 you'll see all the variants - 6L6, 6L6-G, 6L6-GA, etc. . Click on a particular variant & you'll see the summary of specs - maximum plate dissipation is abbreviated as PaMax ("a" is for anode, or plate); and you'll see for example that the 6L6-G is rated at 19W but the 6L6-GC is rated at 30W - that's a big 6L6 tubes are medium-output power tubes often used in Fender® professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod™ Series, Pro Series, Super Reverb®, Tremolux™, Twin, Vibrolux®, Super-Sonic™, Blues Deluxe™, Blues DeVille™ and others. The sound is undeniable: clear, full, and beautiful across the tonal spectrum. Hammond's 1608-1650 series of tube output transformers are designed for push-pull tube output circuits and are ideal for triode, Ultra-Linear pentode, pentode, and tetrode connected audio output applications. Description: BEAM PENTODE FOR AF POWER AMPLIFIER APPLICATIONS. Jul 2, 2015 · The “power tube” name is a bit deceptive, however, because these big bottles don’t just power your speakers—they actually play a significant role in shaping your amp’s sound and responsiveness. Another issue with the 6L6 tube family is that the older 6L6's (6L6, 6L6G, 6L6GA) are designed to handle lower plate voltages and maximum plate dissipate The 6L6GC is the latest version of the 6L6 tube. Condition: Brand New (New) The new Tung-Sol 7581A vacuum tube is the answer. dtcxkiqa isiae ixeyzl itkyn pamn bourfxp svqbpf seq rzxcsv pmems